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Discussion Starter #1 (Edited)
AM4 Motherboard VRM list:

X570
----------------------------------------------------
ASUS:
ROG CROSSHAIR VIII DARK HERO 16-phase[14+2] | TI 90A, PWM: ??(?-phase), 10K caps, passive PCH heatsink
ROG CROSSHAIR VIII FORMULA 16-phase[14+2]*' | Infineon IR3555 60A, PWM: ASP1405I(8-phase), PCB: 8-Layer ,10K caps, water-cooled VRM (CrossChill EK III)
ROG CROSSHAIR VIII HERO (WI-FI) 16-phase[14+2]*' | Infineon IR3555 60A, PWM: ASP1405I(8-phase), PCB: 8-Layer ,10K caps
ROG CROSSHAIR VIII HERO 16-phase[14+2]*' | Infineon IR3555 60A, PWM: ASP1405I(8-phase), PCB: 8-Layer ,10K caps
ROG Strix B550-XE Gaming 16-phase[14+2] | PWM: ??(?-phase)
ROG Strix X570-E Gaming 16-phase[12+4]*' | Infineon IR3555/IR3553 60A/40A, PWM: ASP1405I(8-phase), PCB: 6-Layer
ROG Strix X570-F Gaming 14-phase[12+2][*' 3x] | Vishay Dr.Mos SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 6-Layer
ROG Strix X570-I Gaming 10-phase[8+2]*' | Infineon TDA21472 70A, PWM: ASP1405I(8-phase), PCB: 8-Layer
ROG CROSSHAIR VIII IMPACT 10-phase[8+2]*' | Infineon TDA21472 70A, PWM: ASP1405I(8-phase), PCB: 8-Layer
PRIME X570 PRO 14-phase[12+2][*' 3x] | Vishay Dr.Mos SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 6-Layer
PRIME X570-P 12-phase[8+4]*' | Vishay Dr.Mos SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 6-Layer
Pro WS X570-ACE 14-phase[12+2]*' | Infineon IR3555 60A, PWM: ASP1405I(8-phase), PCB: 8-Layer
TUF Gaming X570-PLUS (WI-FI) 14-phase[12+2][*' 3x] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 6-Layer, 5K caps
TUF Gaming X570-PLUS 14-phase[12+2][*' 3x] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 6-Layer, 5K caps

ASRock
X570 Aqua 14-phase[12+2]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase) PCB: 2oz ?-Layer, 12K caps, fullcover water-block *doubler(IR3599)
X570 Creator 14-phase[12+2]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 2oz ?-Layer, 12K caps, *doubler(IR3599)
X570 Taichi 14-phase[12+2]* | Vishay Dr.MOS SiC634 50A, PWM: Intersil ISL69147(7-phase), PCB: ?-Layer, 12K caps, *doubler(ISL6617)
X570 Phantom Gaming X 14-phase[12+2]* | Vishay Dr.MOS SiC634/654 50A, PWM: Intersil ISL69147(7-phase), PCB: ?-Layer, 12K caps, *doubler(ISL6617)
X570 Phantom Gaming 4 WiFi ax 10-phase[8+2] | Sinopower SM4336/4337[1x1+2x2] *driver(UP1962SD), PWM: UP9505PQGW(6-phase), PCB: 2oz ?-Layer, *doubler(UP1961SQ)
X570 Phantom Gaming 4 10-phase[8+2] | Sinopower SM4336/4337[1x1+2x2] *driver(UP1962SD), PWM: UP9505PQGW(6-phase), PCB: 2oz ?-Layer, *doubler(UP1961SQ)
X570 Phantom Gaming 4S 8-phase[6+2] | Sinopower [?x?+2x2], PWM ? ??(?-phase)
X570 Steel Legend WiFi ax 10-phase[8+2]* | Vishay Dr.MOS SiC634/SiC632 50A, PWM: Intersil ISL69147(7-phase), PCB: ?-Layer, 12K caps, *doubler(UP1961SQ)
X570 Steel Legend 10-phase[8+2]* | Vishay Dr.MOS SiC634/SiC632 50A, PWM: Intersil ISL69147(7-phase), PCB: ?-Layer, 12K caps, *doubler(UP1961SQ)
X570 Extreme 4 WiFi ax 10-phase[8+2]* | Vishay Dr.MOS SiC634/SiC632 50A, PWM: Intersil ISL69147(7-phase), PCB 2oz ?-Layer, 12K caps, *doubler(UP1961SQ)
X570 Extreme 4 10-phase[8+2]* | Vishay Dr.MOS SiC634/SiC632, PWM: Intersil ISL69147(7-phase), PCB: 2oz ?-Layer, 12K caps, *doubler(UP1961SQ)
X570 Pro 4 10-phase[8+2] | Sinopower SM4336/4337[1x1+2x2] *driver(UP1962SD), PWM: UP9505PQGW(6-phase), PCB: 2oz ?-Layer, *doubler(UP1961SQ)
X570M Pro4 10-phase[8+2] | Sinopower SM4336/4337[1x1+2x2] *driver(UP1962SD), PWM: UP9505PQGW(6-phase), PCB: 2oz ?-Layer, *doubler(UP1961SQ)
X570 Phantom Gaming-ITX TB3 10-phase[8+2]* | Intersil ISL99227B 60A, PWM: Intersil ISL69147(7-phase), 12K caps, *doubler(ISL6617A)

Gigabyte:
X570 AORUS EXTREME 16-phase[14+2]| Infineon TDA21472 70A, PWM: Infineon XDPE123G5C(16-phase), PCB: 2oz 8-Layer, passive PCH heatsink
X570 AORUS MASTER 14-phase[12+2] | Infineon IR3556M 50A, PWM: Infineon XDPE123G5C(16-phase), PCB: 2oz 6-Layer
X570 AORUS ULTRA 14-phase[12+2]* | Infineon IR3553 40A+SoC[OnSemi 4C10N/4C06N[2x2]], PWM: Infineon IR35201(8-phase), PCB: 2oz 6-Layer, 5K caps, *doubler(IR3599)
X570 AORUS PRO WIFI 14-phase[12+2]* | Infineon IR3553 40A+SoC[OnSemi 4C10N/4C06N[2x2]], PWM: Infineon IR35201(8-phase), PCB: 2oz 6-Layer, 5K caps, *doubler(IR3599)
X570 AORUS PRO 14-phase[12+2]* | Infineon IR3553 40A+SoC[OnSemi 4C10N/4C06N[2x2]], PWM: Infineon IR35201(8-phase), PCB: 2oz 6-Layer, 5K caps, *doubler(IR3599)
X570 AORUS ELITE WIFI 14-phase[12+2]* | Vishay Dr.MOS SiC634 50A+SoC[OnSemi 4C10N/4C06N[2x2]], PWM: Intersil ISL69138(7-phase), PCB: 2oz 4-Layer, 5K caps, *doubler(ISL6617)
X570 AORUS ELITE 14-phase[12+2]* | Vishay Dr.MOS SiC634 50A+SoC[ OnSemi 4C10N/4C06N[2x2]], PWM: Intersil ISL69138(7-phase), PCB: 2oz 4-Layer, 5K caps, *doubler(ISL6617)
X570 I AORUS PRO WIFI 8-phase[6+2] | Infineon TDA21472/IR3553 70A/40A, PWM: Infineon IR35201(8-phase), PCB: 8-Layer
X570 GAMING X 12-phase[10+2]* | OnSemi 4C10N/4C06N[1x2+2x2] 60A, PWM: Intersil ISL69147(7-phase), PCB: 4-Layer, 5K caps, *doubler(ISL6617A)
X570 UD 12-phase[10+2]* | OnSemi 4C10N/4C06N[1x2+2x2] 60A, PWM: Intersil ISL69147(7-phase), PCB: 4-Layer, 5K caps, *doubler(ISL6617A)

MSI:
MEG X570 GODLIKE 18-phase[14+4]* | Infineon TDA21472 70A, PWM: Infineon IR35201(8-phase), PCB: 8-Layer, *doubler(IR3599)
PRESTIGE X570 CREATION 16-phase[14+2]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 6-Layer, *doubler(IR3599)
MEG X570 ACE 14-phase[12+2]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 6-Layer, *doubler(IR3599)
MEG X570 UNIFY 14-phase[12+2]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 6-Layer, *doubler(IR3599)
MPG X570 GAMING PRO CARBON WIFI 12-phase[10+2]* | UBIQ QA3111N6N 56A, PWM: Infineon IR35201(8-phase), PCB: 4-Layer, *dual driver(IR3598)
MPG X570 GAMING EDGE WIFI 10-phase[8+2]* | OnSemi NTMFS4C029NT1G/NMMFS4C024NT1G[1x1] 46A/78A+SoC UBIQ QA3111N6N 56A, PWM: Infineon IR35201(8-phase), PCB: 4-Layer, *dual driver(IR3598)
MPG X570 GAMING PLUS 10-phase[8+2]* | OnSemi NTMFS4C029NT1G/NMMFS4C024NT1G[1x1] 46A/78A+SoC UBIQ QA3111N6N 56A, PWM: Infineon IR35201(8-phase), PCB: 4-Layer, *dual driver(IR3598)
MPG X570-A PRO 10-phase[8+2]* | OnSemi NTMFS4C029NT1G/NMMFS4C024NT1G[1x1] 46A/78A+SoC UBIQ QA3111N6N 56A, PWM: Infineon IR35201(8-phase), PCB: 4-Layer, *dual driver(IR3598)
MAG X570 TOMAHAWK WIFI 14-phase[12+2]* | Intersil Dr.MOS ISL99360 60A, PWM: Intersil ISL69247(8-phase), PCB: 6-Layer, *doubler(ISL6617)

BIOSTAR:
RACING X570GT8 12-phase[8+4]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 6-Layer, 10K caps *doubler(IR3599)
RACING X570GTA 10-phase[8+2]*' | Sinopower SM4377/SM4364A[1x2+1x1] PWM: Intersil ISL95712(7-phase), 10K caps
RACING X570GT 7-phase[4+3] | Sinopower SM4377/SM4364A[1x1] PWM: Intersil ISL95712(7-phase), 10K caps

COLORFUL:
CVN X570 Gaming Pro V14 10-phases[8+2]*' | OnSemi 6416A/Alpha & Omega AON6354 [1x1+1x2] ,PWM: RT3667BB(6-phase), 10K caps
CVN X570M GAMING FROZEN V14 10-phases[8+2]*' | OnSemi 6416A/Alpha & Omega AON6354 [1x1+1x2] ,PWM: RT3667BB(6-phase), 10K caps
CVN X570M GAMING PRO V14 10-phases[8+2]*' | OnSemi 6416A/Alpha & Omega AON6354 [1x1+1x2] ,PWM: RT3667BB(6-phase), 10K caps

GALAX:
X570M大将 7-phase[4+3] | Sinopower SM4377/SM4364A[1x1] PWM: Intersil ISL95712(7-phase)


B550

----------------------------------------------------
ASUS:
ROG STRIX B550-E GAMING 16-phase[14+2]*' | MPS MP86992 ??A, PWM: ASP2006(?-phase), PCB: 6-Layer, 5K caps
ROG STRIX B550-F GAMING (WI-FI) 14-phase[12+2][*' 3x] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), PCB: 6-Layer, 5K caps
ROG STRIX B550-F GAMING 14-phase[12+2][*' 3x] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), PCB: 6-Layer, 5K caps
ROG STRIX B550-A GAMING 14-phase[12+2][*' 3x] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), PCB: 6-Layer, 5K caps
ROG STRIX B550-I GAMING 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), 5K caps
TUF GAMING B550-PLUS (WI-FI) 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), 5K caps
TUF GAMING B550-PLUS 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), 5K caps
TUF GAMING B550M-PLUS (WI-FI) 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 4-Layer, 5K caps
TUF GAMING B550M-PLUS 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), PCB: 4-Layer, 5K caps
PRIME B550-PLUS 10-phase[8+2] | Vishay RA14/RA12, PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B550M-A (WI-FI) 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B550M-A 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B550M-K 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps

ASRock:
B550 Taichi 16-phase[12+4]* | Vishay Dr.MOS SiC654CD 50A, PWM: Renesas RAA299004(8-phase), PCB: 2oz, 12K caps *doubler(ISL6617A)
B550 PG Velocita 14-phase[12+2]* | Vishay Dr.MOS SiC654 50A, PWM: Intersil ISL69147(7-phase), PCB: 2oz, 12K caps *doubler(ISL6617A)
B550 Extreme4 14-phase[12+2]* | Vishay Dr.MOS SiC634 50A, PWM: Intersil ISL69147(7-phase), PCB: 2oz, 12K caps *doubler(ISL6617A)
B550 Steel Legend 14-phase[12+2]* | Vishay Dr.MOS SiC632 50A, PWM: Intersil ISL69147(7-phase), PCB: 2oz, 12K caps *doubler(ISL6617A)
B550 Pro4 8-phase[6+2] | Vishay Dr.MOS SiC632A 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550 Phantom Gaming 5
B550 Phantom Gaming 4/ac 8-phase[6+2] | Vishay Dr.MOS SiC632A/SiC634 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550 Phantom Gaming 4 8-phase[6+2] | Vishay Dr.MOS SiC632A/SiC634 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550 THW
B550 TW
B550 Phantom Gaming-ITX/ax 8-phase[6+2] | Intersil Dr.MOS 90A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 8-Layer
B550M-ITX/ac 8-phase[6+2] | Vishay Dr.MOS SiC654A 50A, PWM: Renesas RAA229004(8-phase)
B550M Steel Legend 10-phase[8+2]* | Vishay Dr.MOS SiC654 50A, PWM: uP9595S(6-phase), PCB: 2oz, 12K caps *doubler(uP1911R)
B550M Pro4/ac 8-phase[6+2] | Vishay Dr.MOS SiC632A 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550M Pro4 8-phase[6+2] | Vishay Dr.MOS SiC632A 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550M/ac 8-phase[6+2] | Vishay Dr.MOS SiC632A 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550M Phantom Gaming 4 8-phase[6+2] | Vishay Dr.MOS SiC632A 50A+SoC Sinopower SM4337/SM4336[2x2], PWM: uP9505P(6-phase), PCB: 2oz
B550M-HDV 6-phase[4+2] | Sinopower SM4337/SM4336[1x1+2x2], PWM: ?(6?-phase)

Gigabyte:
B550 AORUS MASTER 16-phases[14+2] | Infineon TDA21472 70A, PWM: Infineon XDPE132G5C(16-phase), PCB: 2oz 6-Layer
B550 AORUS PRO AX 14-phase[12+2]*' | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 6-Layer, 5K caps
B550 AORUS PRO AC 14-phase[12+2]* | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 6-Layer, 5K caps *doubler(ISL6617A)
B550 AORUS PRO V2 14-phase[12+2]*' | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 6-Layer, 5K caps
B550 AORUS PRO 14-phase[12+2]* | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 6-Layer, 5K caps *doubler(ISL6617A)
B550 VISION D 14-phase[12+2]* | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 6-Layer *doubler(ISL6617A)
B550 AORUS ELITE AX V2 14-phase[12+2]*' | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer, 5K caps
B550 AORUS ELITE AX 14-phase[12+2]* | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer *doubler(ISL6617A)
B550 AORUS ELITE V2 14-phase[12+2]*' | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer, 5K caps
B550 AORUS ELITE 14-phase[12+2]* | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer *doubler(ISL6617A)
B550 GAMING X 13-phase[10+3]*' | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550 GAMING X 13-phase[10+3]* | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer *doubler(ISL6617A)
B550I AORUS PRO AX 8-phase[6+2] | Intersil Dr.MOS 99390 90A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 8-Layer
B550M AORUS PRO-P 14-phase [12+2]*' | Vishay Dr.MOS SiC651C/SiC651ACD 50A, PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer, 5K caps
B550M AORUS PRO 13-phase[10+3]* | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer *doubler(ISL6617A)
B550M AORUS ELITE 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550M GAMING 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550M DS3H AC 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550M DS3H 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550M H 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer
B550M S2H 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 2oz 4-Layer

MSI:
MEG B550 UNIFY-X 16-phase[14+2] | Infineon TD214A90 90A, PWM: Infineon XDPE132G5C(16-phase), PCB: 2oz 6-Layer
MEG B550 UNIFY 16-phase[14+2] | Infineon TDA21490 90A, PWM: Infineon XDPE132G5C(16-phase), PCB: 2oz 6-Layer
MPG B550 GAMING CARBON WIFI 14-phase[12+2]* | Infineon TDA21462 60A, PWM: Infineon IR35201(8-phase), PCB: 2oz 6-Layer, *doubler(IR3599)
MPG B550 GAMING EDGE WIFI 12-phase[10+2]*' | Intersil ISL99360 60A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 6-Layer
MPG B550 GAMING PLUS 12-phase[10+2]* | OnSemi 4C029/4C024[1x1], PWM: Infineon IR35201(8-phase), PCB: 2oz 6-Layer *doubler(IR3598)
MAG B550 TOMAHAWK 12-phase[10+2]*' | Intersil ISL99360 60A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 6-Layer
MAG B550 TORPEDO 12-phase[10+2]*' | Intersil ISL99360 60A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 6-Layer
MPG B550I GAMING EDGE MAX WIFI 10-phase[8+2]*' | MPS Dr.MOS MP86936 60A, PWM: MPS MP2855GUT(8-phase), PCB: 2oz 8-Layer
MPG B550I GAMING EDGE WIFI 10-phase[8+2]*' | MPS Dr.MOS MP86936 60A, PWM: MPS MP2855GUT(8-phase), PCB: 2oz 8-Layer
MAG B550M MORTAR WIFI 10-phase[8+2]*' | Intersil ISL99227B 60A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 4-Layer
MAG B550M MORTAR 10-phase[8+2]*' | Intersil ISL99227B 60A, PWM: Renesas RAA229004(8-phase), PCB: 2oz 4-Layer
MAG B550M BAZOOKA 6-phase[4+2] | OnSemi 4C029/4C024[2x2], PWM: Richtek RT8894J(6-phase), PCB: 2oz 4-Layer
B550-A PRO 12-phase[10+2]* | OnSemi 4C029/4C024[1x1+2x2], PWM: Infineon IR35201(8-phase), PCB: 2oz 4-Layer *doubler(IR3598)
B550M PRO ?-phase, PCB: 2oz 4-Layer
B550M PRO-VDH WIFI 6-phase[4+2] | OnSemi 4C029/4C024[2x2], PWM: Richtek RT8894J(6-phase), PCB: 2oz 4-Layer
B550M PRO-VDH 6-phase[4+2] | OnSemi 4C029/4C024[2x2], PWM: Richtek RT8894J(6-phase), PCB: 2oz 4-Layer
B550M PRO-DASH 6-phase[4+2] | OnSemi 4C029/4C024[2x2], PWM: Richtek RT8894J(6-phase), PCB: 2oz 4-Layer

BIOSTAR:
B550GTA 10-phase[6+4]* | Intersil Dr.MOS ISL99390 90A, PWM: Renesas RAA229004(8-phase), 10K caps *doubler(ISL6617A)
B550GTQ 10-phase[6+4]* | Intersil Dr.MOS ISL99390 90A, PWM: Renesas RAA229004(8-phase), 5K caps *doubler(ISL6617A)
B550MH 8-phase[5+3] | Sinopower SM4377/SM4364A[1x2+1x1], PWM: Renesas RAA229004(8-phase), 5K caps

COLORFUL:
CVN B550M Gaming Pro V14 10-phase[8+2] | [?-?+1x1], PWM: ?(?-phase)
CVN B550M Gaming Frozen V14 10-phase[8+2] | [?-?+1x1], PWM: ?(?-phase)

SOYO:
丐板 B550M 6-phase[4+2] | ?[2x2], PWM: ??

B550A

----------------------------------------------------
ASRock:
B550AM GAMING 10-phase[8+2]* | Sinopower SM3446/SM4337[1x1+2x2], PWM: UP9505PQGW(6-phase), 5K caps *doubler(UP1961)

MSI:
B550AM GAMING 6-phase[4+2] | Sinopower? SM4337?/SM4503?[?x?], PWM: RT8894A?(6-phase)

A520

----------------------------------------------------
ASUS:
TUF Gaming A520M-Plus 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
TUF Gaming A520M-A
PRIME A520M-A 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME A520M-E 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME A520M-K 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
Pro A520M-C/CSM 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps

ASRock:
A520M-ITX/ac 8-phase[6+2]*' | Dr.MOS 50A, PWM: ??(8-phase)
A520M Pro4 R3.0
A520M Pro4 R2.0
A520M Pro4 8-phase[6+2]*' | ? [?x?+2x2], PWM: ??(?-phase), PCB: 2oz
A520M-HDVP/DASH 6-phase[4+2] | ? [1x1+2x2], PWM: ??(6-phase)
A520M-HDVP 6-phase[4+2] | ? [1x1+2x2], PWM: ??(6-phase)
A520M-HDV R3.0
A520M-HDV R2.0
A520M-HDV 6-phase[4+2] | ? [1x1+2x2], PWM: ??(6-phase)
A520M-HVS R3.0
A520M-HVS R2.0
A520M-HVS 6-phase[4+2] | ? [1x1+2x2], PWM: ??(6-phase)
A520M/ac 6-phase[4+2] | ? [1x1+2x2], PWM: ??(6-phase)

Gigabyte:
A520 AORUS ELITE 8-phase[5+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer
A520I AC 6-phase[4+2] | Dr.MOS 55A, PWM: ?? ??(6-phase), PCB: 8-Layer
A520M AORUS ELITE 8-phase[5+3] | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer
A520M DS3H AC 8-phase[5+3] | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer
A520M DS3H 8-phase[5+3] | OnSemi 4C10N/4C06N[1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer
A520M S2H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer
A520M H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Renesas ISL229004(8-phase), PCB: 4-Layer

X470
----------------------------------------------------
ASUS:
ROG CROSSHAIR VII HERO (WI-FI) 12-phase[10+2]* | Infineon IR3555 60A, PWM: ASP1405I(8-phase), *doubler(IR3599)
ROG CROSSHAIR VII HERO 12-phase[10+2]* | Infineon IR3555 60A, PWM: ASP1405I(8-phase), *doubler(IR3599)
ROG STRIX X470-F GAMING 10-phase[6+4]* | Infineon IR3555M 60A, PWM: ASP1405I(8-phase), *doubler(IR3599)
ROG STRIX X470-I GAMING 7-phase[6+1] | Infineon IR3553 40A, PWM: ASP1405I(8-phase)
PRIME X470-PRO 10-phase[6+4]* | Infineon IR3553 40A, PWM: ASP1405I(8-phase), *doubler(IR3599)
TUF X470-PLUS GAMING 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2] PWM: ASP1106GGQW(6-phase)

ASRock:
X470 Taichi Ultimate 16-phase[12+4]* | Texas Instruments CSD87350, PWM: Infineon IR35201(8-phase), PCB: 2oz ?-Layer, 12K caps, *dual driver(IR3598)
X470 Taichi 16-phase[12+4]* | Texas Instruments CSD87350, PWM: Infineon IR35201(8-phase), PCB: 2oz ?-Layer, 12K caps, *dualdriver(IR3598)
Fatal1ty X470 Gaming K4 12-phase[8+4]*' | Sinopower SM3446/SM4337[1x1] & Nikos PZ0903PK/PK618BA[1x1], PWM: Intersil ISL95712(7-phase), PCB: 2oz ?-Layer, 12K caps
X470 Master SLI/ac 12-phase[8+4]*' | Sinopower SM3446/SM4337[1x1] & Nikos PZ0903PK/PK618BA[1x1], PWM: Intersil ISL95712(7-phase), PCB: 2oz ?-Layer, 12K caps
X470 Master SLI 12-phase[8+4]*' | Sinopower SM3446/SM4337[1x1] & Nikos PZ0903PK/PK618BA[1x1], PWM: Intersil ISL95712(7-phase), PCB: 2oz ?-Layer, 12K caps
Fatal1ty X470 Gaming-ITX/ac 8-phase[6+2]*' | FDPC5030[1x+2x], PWM: Intersil ISL95712(7-phase), PCB: 2oz ?-Layer, 12K caps

Gigabyte:
X470 AORUS GAMING 7 WIFI-50 12-phase[10+2]* | Infineon IR3553/3556 40/50A, PWM: Infineon IR35201(8-phase), PCB: ?-Layer *doubler(IR3599)
X470 AORUS GAMING 5 WIFI 11-phase[8+3]*' | OnSemi 4C10N/4C06N[1x1], PWM: Intersil ISL95712(7-phase), 5K caps
X470 AORUS ULTRA GAMING 11-phase[8+3]*' | OnSemi 4C10N/4C06N[1x1], PWM: Intersil ISL95712(7-phase), 5K caps

MSI:
X470 GAMING M7 AC 14-phase[12+2]* | OnSemi 4C029N/4C024N[1x1+1x2], PWM: Infineon IR35201(8-phase), *dual-driver(IR3598)
X470 GAMING PRO CARBON AC 12-phase[10+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Infineon IR35201(8-phase)
X470 GAMING PRO CARBON 12-phase[10+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Infineon IR35201(8-phase)
X470 GAMING PRO MAX 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Richtek RT8894A(6-phase)
X470 GAMING PRO 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Richtek Richtek RT8894A(6-phase)
X470 GAMING PLUS MAX 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Richtek RT8894A(6-phase)
X470 GAMING PLUS 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x1], PWM: Richtek RT8894A(6-phase)

BIOSTAR:
RACING X470GT8 12-phase[8+4]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), PCB: 6-Layer, 10K caps *doubler(IR3599)
RACING X470GTA 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
RACING X470GTQ 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
RACING X470GTN 7-phase[4+3] | Nikos PK612DZ PWM: Intersil ISL95712(7-phase), 10K caps
X470MH 6-phase[4+2] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
X470NH 7-phase[4+3] | Nikos PK612DZ PWM: Intersil ISL95712(7-phase), 10K caps


B450
----------------------------------------------------
ASUS:
ROG STRIX B450-E GAMING 12-phase[8+4]*' | OnSemi 4C10B/4C06B[1x1], PWM: ASP1106GGQW(6-phase), 5K caps
ROG STRIX B450-F GAMING II 12-phase[8+4]*' | Vishay RA14/RA12[1x1], PWM: ASP1106GGQW(6-phase), 5K caps
ROG STRIX B450-F GAMING 8-phase[4+4]*' | OnSemi 4C10B/4C06B[1x2+1x1], PWM: ASP1106GGQW(6-phase), 5K caps
ROG STRIX B450-I GAMING 7-phase[6+1] | Infineon IR3553 40A, PWM: ASP1405I(8-phase), 5K caps
TUF B450 PRO GAMING 10-phase[8+2]*' | OnSemi 4C10B/4C06B[1x1+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
TUF B450 PLUS GAMING 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps
TUF GAMING B450M-PRO II 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), PCB: 2oz, 5K caps
TUF GAMING B450M-PRO S 10-phase[8+2]*' | Vishay Dr.MOS SiC639 50A, PWM: ASP1106JGQW(6-phase), PCB: 2oz, 5K caps
TUF B450M PRO GAMING 10-phase[8+2]*' | OnSemi 4C10B/4C06B[1x1+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
TUF GAMING B450M-PLUS II 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
TUF B450M PLUS GAMING 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps
B450M-DRAGON 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B450 PLUS 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps
PRIME B450-A/CSM 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps
PRIME B450M-A II 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B450M-A 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps
PRIME B450M-K II 6-phase[4+2] | Vishay RA14/RA12[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5K caps
PRIME B450M-K 6-phase[4+2] | OnSemi 4C10B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase), 5k caps

ASRock:
B450 Steel Legend 6-phase[4+2] | Sinopower SM4337/SM4336[1x2]+[2x2], PWM: UP9505PQGW(6-phase), PCB: 2oz, 12K caps
Fatal1ty B450 Gaming K4 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
B450 Pro4 R2.0 10-phase[6+4] | Sinopower [?x?], PWM: ? (?-phase), PCB: 2oz, 5K caps
B450 Pro4 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
Fatal1ty B450 Gaming ITX/ac 8-phase[6+2]*' | Sinopower SM7341EHKP[1]+[2], PWM: Intersil ISL95712(7-phase), PCB: 2oz, 12K caps
B450M Steel Legend 6-phase[4+2] | Sinopower SM4337/SM4336[1x2]+[2x2], PWM: UP9505PQGW(6-phase) PCB: 2oz, 12K caps
B450M Pro4 R2.0 10-phase[6+4] | Sinopower [?x?], PWM: ? (?-phase), PCB: 2oz, 5K caps
B450M Pro4 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
B450M/ac R2.0 10-phase[6+4] | Sinopower [?x?], PWM: ? (?-phase), PCB: 2oz, 5K caps
B450M/ac 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
B450M Pro4-F 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
B450M-HDV R4.0 6-phase[4+2] | Sinopower SM4337/SM4336[1x1]+[2x2], PWM: UP9505PQGW(6-phase)

Gigabyte:
B450 AORUS PRO WIFI 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450 AORUS PRO 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450 AORUS ELITE V2 10-phase [8+2]*' | OnSemi 4C10N/4C06N[1x1+2x2], PWM: ?? ??(6-phase), 5K caps
B450 AORUS ELITE 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450 Gaming X 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450 I AORUS PRO WIFI 6-phase[4+2] | IR3556 50A, PWM: Infineon IR35201(8-phase), 5K caps
B450M AORUS ELITE 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450 AORUS M 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450M DS3H WIFI 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450M DS3H V2 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
B450M DS3H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450M GAMING 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], Intersil PWM: ISL95712(7-phase), 5K caps
B450M S2H V2 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
B450M S2H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
B450M H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps

MSI:
B450 GAMING PRO CARBON MAX WIFI 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450 GAMING PRO CARBON AC 10-phase[8+2]*' | OnSemi 4C029N/4C024N[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450 GAMING PLUS MAX 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450 GAMING PLUS 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450 TOMAHAWK MAX 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450 TOMAHAWK 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450-A PRO MAX 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450-A PRO 6-phase[4+2] | OnSemi 4C029N/4C024N[2x2], PWM: Richtek RT8894A(6-phase)
B450I GAMING PLUS AC 8-phase[6+2] | Infineon IR3555M 60A, PWM: Infineon IR35201(8-phase)
B450M MORTAR TITANIUM 6-phase[4+2] | Sinopower SM4337/SM4503[2x2], PWM: Richtek RT8894A(6-phase)
B450M MORTAR MAX 6-phase[4+2] | Sinopower SM4337/SM4503[2x2], PWM: Richtek RT8894A(6-phase)
B450M MORTAR 6-phase[4+2] | Sinopower SM4337/SM4503[2x2], PWM: Richtek RT8894A(6-phase)
B450M BAZOOKA MAX WIFI 6-phase[4+2] | OnSemi 4C029N/4C024N[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M BAZOOKA PLUS 6-phase[4+2] | OnSemi 4C029N/4C024N[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M BAZOOKA V2 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M BAZOOKA 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M GAMING PLUS 6-phase[4+2] | OnSemi 4C029N/4C024N[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M-A PRO MAX 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-VDH MAX 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-VDH PLUS 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-VDH V2 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-VDH 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-M2 MAX 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-M2 V2 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B450M PRO-M2 6-phase[4+2] | Sinopower SM4337/SM4503[1x2+2x2], PWM: Richtek RT8894A(6-phase)

BIOSTAR:
RACING B450GT 10-phase[8+2] | ??, PWM: ??(?-phase)
RACING B450GT3 6-phase[4+2] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
B450MHC 6-phase[4+2] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B450MH 6-phase[4+2] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)

COLORFUL:
CVN B450M GAMING V14 6-phase[4+2] |OnSemi [1x2], PWM:??, 10K caps
BATTLE-AX B450M-G DELUXE V14 6-phase[4+2] |OnSemi [1x2], PWM:??, 10K caps
BATTLE-AX B450M-HD V14 6-phase[4+2] |OnSemi [1x1+1x2], PWM:??, 10K caps

GALAX:
B450M虎将 6-phase[4+2] | ??[1x2], PWM: ?(6?-phase)

ECS:
B450AM4-M 6-phase[4+2] | [2x2], PWM: ?(6-phase)

X370

----------------------------------------------------
ASUS:
ROG CROSSHAIR VI EXTREME 12-phase[8+4]* | Infineon IR3555 60A, PWM: ASP1405I(8-phase) *doubler(IR3599)
ROG CROSSHAIR VI HERO (WI-FI AC) 12-phase[8+4]* | Texas Instruments CSD87350Q5D 40A, PWM: ASP1405I(8-phase) *dual driver(IR3598)
ROG CROSSHAIR VI HERO 12-phase[8+4]* | Texas Instruments CSD87350Q5D 40A, PWM: ASP1405I(8-phase) *dual driver(IR3598)
ROG STRIX X370-F GAMING 10-phase[6+4]* | Infineon IR3555 60A, PWM: ASP1405I(8-phase) *doubler(IR3599)
PRIME X370-PRO 10-phase[6+4]* | Texas Instruments CSD87350Q5D 40A, PWM: ASP1405I(8-phase) *doubler(IR3599)
PRIME X370-A 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)
ROG STRIX X370-I GAMING 7-phase[6+1] | BSG0812ND+SoC Infineon IR3555 60A, PWM: ASP1405I(8-phase)

ASRock:
Fatal1ty X370 Gaming X 16-phase[12+4]* | Texas Instruments CSD87350Q5D 40A, PWM: Infineon IR35201(8-phase), 12K caps *dual driver(IR3598)
X370 Taichi 16-phase[12+4]* | Texas Instruments CSD87350Q5D 40A, PWM: Infineon IR35201(8-phase), 12K caps *dual driver(IR3598)
Fatal1ty X370 Gaming K4 12-phase[8+4]* | Nikos PZ0903BK/PK618B[1x1], PWM: Infineon IR35201(8-phase), 12K caps *dual driver(IR3598)
X370 Killer SLI/ac 12-phase[8+4]* | Nikos PZ0903BK/PK618B[1x1], PWM: Infineon IR35201(8-phase), 12K caps *dual driver(IR3598)
X370 Killer SLI 12-phase[8+4]* | Nikos PZ0903BK/PK618B[1x1], PWM: Infineon IR35201(8-phase), 12K caps *dual driver(IR3598)
X370 Pro4 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
X370M Pro4 9-phase[6+3]*' | Nikos PZ0903BK/PK618BA[1x1]+[1x2], PWM: Intersil ISL95712(7-phase), PCB: 2oz
X370M-HDV R4.0 6-phase[4+2] | Sinopower SM4337/SM4336[1x1]+[2x2], PWM: UP9505P(?-phase)
X370M-HDV 7-phase[4+3] | Nikos PZ0903BK/PK618BA[1x2], PWM: Intersil ISL95712(7-phase)

Gigabyte:
AX370 Gaming K7 10-phase[6+4]* | Infineon IR3553 40A, PWM: Infineon IR35201(8-phase), 5K caps *doubler(IR3599)
AX370 Gaming 5 10-phase[6+4]* | Infineon IR3553 40A, PWM: Infineon IR35201(8-phase), 5K caps *doubler(IR3599)
AX370 Gaming K5 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
AX370 Gaming K3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
AX370 Gaming 3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
AX370 Gaming 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
AX370M Gaming 3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
AX370M DS3H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps

MSI:
X370 XPOWER GAMING TITANIUM 10-phase[6+4]* |Nikos PK616BA/PK632BA[1x2+1x1], PWM: Infineon IR35201(8-phase) *dual driver(IR3598)
X370 GAMING M7 ACK 12-phase[10+2]* | Nikos PK616BA/PK632BA[1x1+1x2], PWM: Infineon IR35201(8-phase) *dual driver(IR3598)
X370 GAMING PRO CARBON AC 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)
X370 GAMING PRO CARBON 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)
X370 KRAIT GAMING 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)
X370 GAMING PRO 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)
X370 GAMING PLUS 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)
X370 SLI PLUS 10-phase[8+2]*' | Nikos PK616BA/PK632BA[2x2], PWM: Richtek RT8894A(6-phase)

BIOSTAR:
X370GT7 12-phase[8+4]* | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase), 10K caps *doubler(IR3599)
X370GT5 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
X370GT3 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase), 10K caps
X370GTN 7-phase[4+3] | Nikos PK612DZ 50A, PWM: Intersil ISL95712(7-phase), 10K caps

COLORFUL:
BATTLE FLAG C.X370 X5 V14 8-phase[6+2] | ??, PWM:??, 10K caps
BATTLE AXE C.X370M-G DELUXE V14 6-phase[4+2] | OnSemi [1x2], PWM:??, 10K caps

B350
----------------------------------------------------
ASUS:
ROG STRIX B350-F GAMING 8-phase[4+4]*' | OnSemi 4C09B/4C06B[1x2+1x1], PWM: ASP1106GGQW(6-phase)
PRIME B350-PLUS 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)
ROG STRIX B350-I GAMING 7-phase[6+1] | BSG0812ND/IR3555 60A, PWM: ASP1405I(8-ohase)
TUF B350M-PLUS GAMING 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase) 5K caps
PRIME B350M-E 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)
PRIME B350M-A/CSM 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)
PRIME B350M-A 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)
PRIME B350M-K 6-phase[4+2] | OnSemi 4C09B/4C06B[1x2+2x2], PWM: ASP1106GGQW(6-phase)

ASRock:
Fatal1ty AB350 Gaming K4 9-phase[6+3]*' | Sinopower SM4337/SM4336 & PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350 Pro4 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350M Pro4 R2.0 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350M Pro4 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350M Pro4-F 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350M Pro4/DASH 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2] ,PWM: Intersil ISL95712(7-phase), PCB: 2oz
AB350M-HDV R4.0 6-phase[4+2] | Sinopower SM4337/SM4336[1x1+2x2], PWM: Intersil ISL95712(7-phase)
AB350M-HDV R3.0 6-phase[4+2] | Sinopower SM4337/SM4336[1x1+2x2], PWM: Intersil ISL95712(7-phase)
AB350M-HDV 7-phase[4+3] | Sinopower SM4337/SM4336[1x2], PWM: Intersil ISL95712(7-phase)
AB350M 9-phase[6+3]*' | Sinopower SM4337/SM4336[1x1], PWM: Intersil ISL95712(7-phase)

GIGABYTE:
GA-AB350N-Gaming WIFI 6-phase[4+2] | Infineon IR3556M 50A, PWM: Infineon IR35201(8-phase), 5K caps
GA-AB350-Gaming 3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350-Gaming 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-Gaming 3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-DASH 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-D3V 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-HD3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-DS2 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-D3H 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM:Intersil ISL95712(7-phase), 5K caps
GA-AB350M-DS3H V2 6-phase[3+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-AB350M-DS3H 6-phase[3+3] | OnSemi 4C10N/4C06N[1x1], PWM: Intersil ISL95712(7-phase), 5K caps

MSI:
B350 GAMING PRO CARBON 10-phase[8+2]*' | Nikos PK616BA/PK632BA[1x1+2x2], PWM: Richtek RT8894A(6-phase)
B350 KRAIT GAMING 10-phase[8+2]*' | Nikos PK616BA/PK632BA[1x1+2x2], PWM: Richtek RT8894A(6-phase)
B350 GAMING PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350 TOMAHAWK PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350 TOMAHAWK ARTIC 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350 TOMAHAWK 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350 PC MATE 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350I PRO AC 8-phase[6+2] | Infineon IR3555 60A, PWM: Infineon IR35201(8-phase)
B350M MORTAR ARCTIC 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M MORTAR 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M BAZOOKA 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M PRO-VDH 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M PRO-VD PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M PRO-VH PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
B350M GAMING PRO 5-phase[3+2] | Nikos PK616BA/PK632BA[2x2+2x2], PWM: Richtek RT8894A(6-phase)

BIOSTAR:
B350GTN 7-phase[4+3] | Nikos PK612DZ, PWM: Intersil ISL95712(7-phase)
B350GT5 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B350GT3 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B350GTX 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B350ET2 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
Hi-Fi B350S1 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
TB350-BTC 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B45M2 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: Intersil ISL95712(7-phase)
B350M 5-phase[3+2] | Sinopower SM4377/SM4364A[1x1], PWM: Intersil ISL95712(7-phase)

ECS:
B350AM4-M2A 6-phase[4+2] | [2x2], PWM: ?(6-phase)
B350AM4-M2 6-phase[4+2] | [2x2], PWM: ?(6-phase)
B350AM4-M 6-phase[4+2] | [2x2], PWM: ?(6-phase)

A320

----------------------------------------------------
ASUS:
EX-A320M-GAMING 6-phase[4+2] |
PRIME A320I-K/CSM 6-phase[4+2] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), 5K caps
PRIME A320I-K 6-phase[4+2] | Vishay Dr.MOS SiC639 50A, PWM: ASP1106GGQW(6-phase), 5K caps
PRIME A320M-A/CSM 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
PRIME A320M-A 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
PRIME A320M-C R2.0 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
PRIME A320M-E 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
PRIME A320M-F 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
PRIME A320M-K/CSM 6-phase[4+2] | [1x2+2x2], PWM: ?(6-phase)
PRIME A320M-K 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
Pro A320M-R WI-FI 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)

ASRock:
A320M-ITX 5-phase[3+2] | [?x?+1x1] , PCB: 2oz, 12K caps
A320TM-ITX 5-phase[3+2] | Sinopower SM4337/SM4336[1x2], PWM: Intersil ISL95712(7-phase)
A320M Pro4 R2.0 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2], PWM: Intersil ISL95712(7-phase)
A320M Pro4-F 9-phase[6+3]*' | Sinopower SM4337/SM4336 & Nikos PZ0903BK/PK618BA [1x1+1x2], PWM: Intersil ISL95712(7-phase)
A320M/ac 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
A320M-DVS R4.0 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
A320M-HDVP 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)
A320M-HDV R4.0 6-phase[4+2] | [1x1+2x2], PWM: ?(6-phase)

Gigabyte:
GA-A320-DS3 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320MA-M.2 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-D2P 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-HD2 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-DS2 7-phase[4+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
A320M HD3 6-phase[3+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-S2H V2 6-phase[3+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-S2H (rev3.x) 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
GA-A320M-S2H (rev2.0) 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
GA-A320M-S2H 6-phase[3+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps
GA-A320M-H (rev3.x) 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
GA-A320M-H (rev2.0) 6-phase[4+2] | OnSemi 4C10N/4C06N[1x2+2x2], PWM: ?? ??(6-phase), 5K caps
GA-A320M-H 6-phase[3+3] | OnSemi 4C10N/4C06N[1x2+1x1], PWM: Intersil ISL95712(7-phase), 5K caps

MSI:
A320M BAZOOKA 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M GRENADE 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M GAMING PRO 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-M2 V2 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-M2 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VHL 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VH PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VD PLUS 6-phase[4+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VD/S V2 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VD/S 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-VD 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-C 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M-A PRO-MAX 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M-A PRO M2 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M-A PRO 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)
A320M PRO-E 5-phase[3+2] | Nikos PK616BA/PK632BA[1x2+2x2], PWM: Richtek RT8894A(6-phase)

BIOSTAR:
TA320-BTC 7-phase[4+3] | Sinopower SM4377/SM4364A[1x2], PWM: ?(?-phase)
A320MH PRO 5-phase[3+2] | Sinopower SM4377/SM4364A[1x2], PWM: ?(?-phase)
A320MD PRO 5-phase[3+2] | Sinopower SM4377/SM4364A[1x2], PWM: ?(?-phase)
A320MH 5-phase[3+2] | Sinopower SM4377/SM4364A[1x1], PWM: ?(?-phase)

GALAX:
A320M-A 6-phase[4+2] | [1x2], PWM: ?(6?-phase)
A320M 龙将 5-phase[3+2] | [1x2], PWM: ?(6?-phase)

ECS:
A320AM4-M7
A320AM4-M3D 5-phase[3+2] | [1x2+2x2], PWM: ?(?-phase)
A320AM4-M3 5-phase[3+2] | [1x2+2x2], PWM: ?(?-phase)

COLORFUL:
A320M-K PRO V14 5-phase[3+2] |? 5474A/??[1x2+2x2], PWM: Richtek RT3667BB(5-phase)

ONDA:
A320V VER:3.00 6-phase[4+2] | "no label"[1x2], PWM: ?(?-phase)

MAXSUN:
CHALLENGER A320M.2-VH 5-phase[3+2] | NKO PY4379A/??A[1x2+1x1], PWM: Richtek RT3667BB(5-phase)

A300

----------------------------------------------------


*doublers used
*'twin-design (2x components per phase)
[*']pseudo-twin-design (2-3x components per some components, per phase)

ASP1106 = RT8877C

Original Post in spoiler
All getting Hyped for the new Ryzen competition!?

So I was thinking of pre-ordering but the lack of decent VRM sections of most release motherboards seems to be straight up awful if you wanna overclock any unless you want to spend 200$++

I'm a cheapskate enthusiast and want to spend as little as possible for great things. Comparing all the boards available I'm disappointed for what kind of power delivery we will be getting with most boards.

Basically all boards arrive with max 4phase design unless you go up to premium deluxe bling designs that all add cost to the absurd when you only want that last part about VRM better the rest you care not much at all about.

With the leak of the new AMD Ryzen 7 1700 65TDP chip hitting max around 3.8Ghz on the cheaper boards mentioned(most 4-phase and cooking). And topping 4.05Ghz on the premium deluxe boards with the better VRM such as Asus VI hero or Asrock Taichi. I'm torn..

I really don't want to spend as much on the motherboard as the cpu in the end. (the cheap Ryzen 7 1700)

Does anyone know which power designs the various boards have yet?

I'm guessing the cheaper MSI boards have those awful 4-array Nikos per phase. (read bad things about those) Unless you like smoked computers.
The Titanium being the most expensive release board with only 6-phase what it seems like doesn't attract.(though I guess they are the premium set of VRM chips(not any NIKOS there)

The Gigabyte mention low(RSD)on and they appear to be their usual design I guess. Vishay?
They seem to be 1 high, 2 low-side design per phase.
Problem here is they have the same design all they way up until their premium boards such as "Gigabyte X370 GA-AX370-Gaming 5".
All lower tier boards have only 4-phase and only at "gaming 5" do we get a what looks like (8+2/6+4)-phase design for cpu power.
And you can get 2 TWO! of the 4-phase boards for the same price as that Gaming 5... Really?

That lowRDSon 4 phase design I've seen been rated to ~140Watt Max with extra cooling unsinked on much older motherboards. Is it still similar?
My old Am2+ board with this 4 phase design cooks on 1.4volts and needs extra fan or extra heatsinks with a old Phenom 1 at 3Ghz..(what the wattage may now be for that old clunker I still use)

They really are tiering out OC only to the expensive boards aren't they?

So what are you supposed to do? It seems like you need an extra 100$ for the better VRM which means you could actually just buy the 1700X instead and keep the cheap board and have same kind of results but now guaranteed with NO OC?

WARNING: Consider the above INACCURATE!
Below more accurate:
___
AMD AM4 Motherboard VRM Link List[/B]
B350/x370 & b450/x470 (german)[Übersicht] - PGA AM4 Mainboard VRM Liste
X570 (german)[Übersicht] - AMD 3rd Gen AM4 Mainboards & VRM Liste (X570, PRO565, B550, A520)
X570 (swedish)X570 Moderkort, VRM info
AM4-socket MOTHERBOARD COMPARISON /by raisonjohn b.
AM4 Vcore VRM Ratings v1.4
 

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Quote:
Originally Posted by Nighthog View Post

All getting Hyped for the new Ryzen competition!?

So I was thinking of pre-ordering but the lack of decent VRM sections of most release motherboards seems to be straight up awful if you wanna overclock any unless you want to spend 200$++
Yeah, dude, well said! They should give for free premium motherboards at day-one...
 

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Registered
Joined
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1,013 Posts
Quote:
Originally Posted by Nighthog View Post

All getting Hyped for the new Ryzen competition!?

So I was thinking of pre-ordering but the lack of decent VRM sections of most release motherboards seems to be straight up awful if you wanna overclock any unless you want to spend 200$++

I'm a cheapskate enthusiast and want to spend as little as possible for great things. Comparing all the boards available I'm disappointed for what kind of power delivery we will be getting with most boards.

Basically all boards arrive with max 4phase design unless you go up to premium deluxe bling designs that all add cost to the absurd when you only want that last part about VRM better the rest you care not much at all about.

With the leak of the new AMD Ryzen 7 1700 65TDP chip hitting max around 3.8Ghz on the cheaper boards mentioned(most 4-phase and cooking). And topping 4.05Ghz on the premium deluxe boards with the better VRM such as Asus VI hero or Asrock Taichi. I'm torn..

I really don't want to spend as much on the motherboard as the cpu in the end. (the cheap Ryzen 7 1700)

Does anyone know which power designs the various boards have yet?

I'm guessing the cheaper MSI boards have those awful 4-array Nikos per phase. (read bad things about those) Unless you like smoked computers.
The Titanium being the most expensive release board with only 6-phase what it seems like doesn't attract.(though I guess they are the premium set of VRM chips(not any NIKOS there)

The Gigabyte mention low(RSD)on and they appear to be their usual design I guess. Vishay?
They seem to be 1 high, 2 low-side design per phase.
Problem here is they have the same design all they way up until their premium boards such as "Gigabyte X370 GA-AX370-Gaming 5".
All lower tier boards have only 4-phase and only at "gaming 5" do we get a what looks like (8+2/6+4)-phase design for cpu power.
And you can get 2 TWO! of the 4-phase boards for the same price as that Gaming 5... Really?

That lowRDSon 4 phase design I've seen been rated to ~140Watt Max with extra cooling unsinked on much older motherboards. Is it still similar?
My old Am2+ board with this 4 phase design cooks on 1.4volts and needs extra fan or extra heatsinks with a old Phenom 1 at 3Ghz..(what the wattage may now be for that old clunker I still use)

They really are tiering out OC only to the expensive boards aren't they?

So what are you supposed to do? It seems like you need an extra 100$ for the better VRM which means you could actually just buy the 1700X instead and keep the cheap board and have same kind of results but now guaranteed with NO OC?
Well, your speculation on VRM manufacturers is just that...speculation. We really have no idea what parts will go into these boards, and if a 6 phase B350 can spit out 150W safely, you'll see plenty of good OC's. My FX-8350 eats 180W ~1.5V full load, so there's no real NEED for 300W outputs on Ryzen.

I recommend going 6-phase like you want (Gigabyte or something) and immediately swapping out the TIM for some Sarcon or something if you're really worried about thermal load.

Edit: We're not dealing with Bulldozer/Piledriver here. We may find that the Ryzen chips do just fine on heatsinked 6 phase boards.
 

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Originally Posted by LuckyImperial View Post

Well, your speculation on VRM manufacturers is just that...speculation. We really have no idea what parts will go into these boards, and if a 6 phase B350 can spit out 150W safely, you'll see plenty of good OC's. My FX-8350 eats 180W ~1.5V full load, so there's no real NEED for 300W outputs on Ryzen.

I recommend going 6-phase like you want (Gigabyte or something) and immediately swapping out the TIM for some Sarcon or something if you're really worried about thermal load.

Edit: We're not dealing with Bulldozer/Piledriver here. We may find that the Ryzen chips do just fine on heatsinked 6 phase boards.
100% agree. Coming from 125~220 watt flagship AMD CPUs I think everyone is a little over concerned with power delivery. 65~95 watt CPUs should be a lot easier on VRMs. Can't say for sure how all this will pan out for overclocking. Can't wait to start seeing results though.
 

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Quote:
Originally Posted by LuckyImperial View Post

Well, your speculation on VRM manufacturers is just that...speculation. We really have no idea what parts will go into these boards, and if a 6 phase B350 can spit out 150W safely, you'll see plenty of good OC's. My FX-8350 eats 180W ~1.5V full load, so there's no real NEED for 300W outputs on Ryzen.

I recommend going 6-phase like you want (Gigabyte or something) and immediately swapping out the TIM for some Sarcon or something if you're really worried about thermal load.

Edit: We're not dealing with Bulldozer/Piledriver here. We may find that the Ryzen chips do just fine on heatsinked 6 phase boards.
I guess it's not Bulldozer super volcano we are dealing with here but we have no numbers at all for wattage on the Ryzen processors. That makes me a bit worried.

I have a alphacool watercooling kit to transfer so I can cool the cpu no problems with a new bracket so the thing to limit me will be VRM thermals & capability.
I maxed my current MB until I smelt smoke and tuned back a notch and settled. (took some dmg but stable function)

I would have liked a better selection than we got compared what's available in similar prices on older tech.
 

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Quote:
Originally Posted by Nighthog View Post

I guess it's not Bulldozer super volcano we are dealing with here but we have no numbers at all for wattage on the Ryzen processors. That makes me a bit worried.

I have a alphacool watercooling kit to transfer so I can cool the cpu no problems with a new bracket so the thing to limit me will be VRM thermals & capability.
I maxed my current MB until I smelt smoke and tuned back a notch and settled. (took some dmg but stable function)

I would have liked a better selection than we got compared what's available in similar prices on older tech.
It's okay (and a good idea) to have a healthy level of skepticism.

This thread might interest you:

I linked a specifically interesting post.

https://forums.overclockers.co.uk/threads/amd-zen-thread-inc-am4-apu-discussion.18665505/page-401#post-30533503
 

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Phases don't mean much, what does is quality and capacity. Even with Intel boards you have to cherry pick and avoid any boards with cost cut VRMs :/
Seems the same with AMD, even more so sometimes. Wait for user reviews and summaries with detailed VRM specs. What kind of FETs, caps, coils, how many phases, digital, analogue, hybrid, ...
You don't have to buy a board over $150 usually but you gotta cherry pick. Sadly some brands are moving up in popularity and volume of sales and join up the crazy Asus in making expensive but not that impressive boards. Underdogs on the other hand often try to bring more for less $$$. MSI used to be hated a few years back, certain people wouldn't even touch it, now after all the gaming crazy and gaming branded GPUs and mobos, it's a hype suddenly.
 

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Quote:
Originally Posted by nukem View Post

100% agree. Coming from 125~220 watt flagship AMD CPUs I think everyone is a little over concerned with power delivery. 65~95 watt CPUs should be a lot easier on VRMs. Can't say for sure how all this will pan out for overclocking. Can't wait to start seeing results though.
not necessarily. Even if the rated wattage is lower, they could still pull the same amount of current or more. And current is what matter with vrms.
thumb.gif
 

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Originally Posted by hojnikb View Post

not necessarily. Even if the rated wattage is lower, they could still pull the same amount of current or more. And current is what matter with vrms.
thumb.gif
So... the current draw is what is high with fx CPUs and that's why they need quality vrms?
 

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Originally Posted by nukem View Post

So... the current draw is what is high with fx CPUs and that's why they need quality vrms?
Pretty much. As you can see from every datasheet out there, vrms are rated for current, not power
thumb.gif
 

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Quote:
Originally Posted by LuckyImperial View Post

It's okay (and a good idea) to have a healthy level of skepticism.

This thread might interest you:

I linked a specifically interesting post.

https://forums.overclockers.co.uk/threads/amd-zen-thread-inc-am4-apu-discussion.18665505/page-401#post-30533503
Yeah that is where I found the first indication 4-phase might not cut it. They mention lower tier boards cooking and only the high-end manage a little extra. Though you pay Much for that little extra few Herz.
4.0Ghz seems like a nice round number but seems it may not be plausible on all cores max with 4-phase the low tiers use.
Quote:
Originally Posted by JackCY View Post

Phases don't mean much, what does is quality and capacity. Even with Intel boards you have to cherry pick and avoid any boards with cost cut VRMs :/
Seems the same with AMD, even more so sometimes. Wait for user reviews and summaries with detailed VRM specs. What kind of FETs, caps, coils, how many phases, digital, analogue, hybrid, ...
You don't have to buy a board over $150 usually but you gotta cherry pick. Sadly some brands are moving up in popularity and volume of sales and join up the crazy Asus in making expensive but not that impressive boards. Underdogs on the other hand often try to bring more for less $$$. MSI used to be hated a few years back, certain people wouldn't even touch it, now after all the gaming crazy and gaming branded GPUs and mobos, it's a hype suddenly.
I know there is difference's in quality the question I'm really specifically asking which boards have the quality parts? As we seem to lack in quantity on many ones.
Seems I'll have to be waiting around for that info.
 

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Quote:
Originally Posted by hojnikb View Post

Pretty much. As you can see from every datasheet out there, vrms are rated for current, not power
thumb.gif
Cool. I know watts=volts x amps, but I assumed the voltage was more the variable. I learn stuff everyday on here lol
 

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Originally Posted by Nighthog View Post

Yeah that is where I found the first indication 4-phase might not cut it. They mention lower tier boards cooking and only the high-end manage a little extra. Though you pay Much for that little extra few Herz.
4.0Ghz seems like a nice round number but seems it may not be plausible on all cores max with 4-phase the low tiers use.
I know there is difference's in quality the question I'm really specifically asking which boards have the quality parts? As we seem to lack in quantity on many ones.
Seems I'll have to be waiting around for that info.
Like 90% of the questions being asked about Ryzen right now can't really be answered. All we know is they are fast at stock speeds, somewhere in Broadwell territory. Oh, and that on liquid nitrogen they are really really fast...like world record fast.
 

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I was just looking through the specs of my current X58 system and my board has a 24 phase VRM. It has been running an overclocked CPU for the past 8 years no problems at all. So I went looking up the current AM4 motherboards from Gigabyte and they have really poor VRM's this time around. What's up with that? I was all set to get a new Gigabyte board but know I'm not so sure. I will wait for reviews to see how they fair.
 

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I would definitely say that Asrock X370 Taichi , Asrock X370 Fatal1ty Professional (same as Taichi with different coloring and NIC) or ASUS X370 Crosshair VI Hero are the ones to get based on preliminary specifications review. They're the only ones advertising NexFETs used (the CSD87350Q5D normally used is 40A).

Easy math:
Asrock X370 Taichi / Fatal1ty Pro: 16 phases x 40A (hypothetical) = 640 A , assuming that is all for CPU , in reality it might be 6+2 doubled so 12 x 40 = 480A , worst case would be 240A due to doubler
ASUS X370 Crosshair VI Hero : 12 phases x 40A = 480 A , since it's using a doubler worst case would be 240A , it may very well be a 4+2 PWM controller though

The rest of the X370 boards will be a luck of the draw.

For example:
Gigabyte GA-AX370-Gaming K7 : 6+4 PowIRstage (unknown amperage) ... on par with NexFETs if it's the 40+ amp ones (IR3553 = 40A, IR3556 = 50A, IR3550 / IR3555 = 60A), but it has less total phases
---> assuming IR 3555 = 60 A , max possible for CPU = 6 x 60A = 360A
---> assuming IR 3556 = 50 A , max possible for CPU = 6 x 50A = 300A
---> assuming IR 3553 = 40 A , max possible for CPU = 6 x 40A = 240A
Gigabyte GA-AX370-GAMING 5 : 6+4 PowIRstage (unknown amperage) ... on par with NexFETs if it's the 40+ amp ones (IR3553 = 40A, IR3556 = 50A, IR3550 / IR3555 = 60A), but it has less total phases
---> assuming IR 3555 = 60 A , max possible for CPU = 6 x 60A = 360A
---> assuming IR 3556 = 50 A , max possible for CPU = 6 x 50A = 300A
---> assuming IR 3553 = 40 A , max possible for CPU = 6 x 40A = 240A
" AX370-Gaming 5 features a 6+4 phase power delivery design equipped with 4th gen. IR® digital power controllers and 3rd gen. PowIRstage® ICs featuring Isense technology, which provides more precise current sensing accuracy. This helps evenly distribute the thermal loading between the PowerIRstage® ICs, preventing the overheating of each individual PowerIRstage®, resulting in longer lifespan and better reliability."

Asrock X370 Killer & X370 Fatal1ty Gaming K4 : 12 phases unknown mosfet type & amperage, 45A chokes , 12K black Nichichon capacitors
----> edit, Feb 24: from OCUK it is 8+4

ASUS Prime X370-Pro : 10 unknown phases (allegedly Digital)
MSI X370 Xpower Gaming Titanium: 10 unknown phases , if they're the Fairchild FDMF5823DC like on the X99S MPower then they can do 55A each ; MSI Z170A XPower Gaming Titanium Edition uses 60A IR3555 PowIRStages
MSI X370 Pro Carbon : 10 unknown phases
BIOSTAR X370 RACING GT7: 14 unknown phases

B350 contenders
Asrock B350 Pro4 & AB350 Gaming K4 (6+3 as per https://www.overclockers.co.uk/asrock-ab350-pro4-amd-b350-socket-am4-ddr4-atx-motherboard-mb-153-ak.html , https://www.overclockers.co.uk/asrock-ab350-gaming-k4-amd-b350-socket-am4-ddr4-atx-motherboard-mb-152-ak.html , https://www.overclockers.co.uk/asrock-ab350m-pro4-amd-b350-socket-am4-ddr4-micro-atx-motherboard-mb-154-ak.html) "Supports 95W Air Cooling"

If you're planning on maxing every clockspeed out, I'd wait for an Asus X370 Crosshair VI Extreme, Gigabyte X370 SOC Force, or Asrock x370 OC Formula. If the Ryzen CPUs are all they claim to be, then those boards should come in the near future if not before Zen+.
 

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Originally Posted by josephimports View Post

The Biostar GT7 has Digital Power+ which may include ir3555a power stages. Ill be removing the heatsinks once it arrives to confirm.
wink.gif
Intriguing indeed. Ferrite chokes, powerpaks, and IR pwm according to the specs available on their page. Not super-alloys and nexfets but it's not bargain-basement d-pak garbage either. I'm looking forward to this board. I've decided to give it a try as Biostar seems to be pushing hard for relevance in the mainstream market once again. I think it will be a pleasant surprise.

Quote:
Originally Posted by AlphaC View Post

If you're planning on maxing every clockspeed out, I'd wait for an Asus X370 Crosshair VI Extreme, Gigabyte X370 SOC Force, or Asrock x370 OC Formula. If the Ryzen CPUs are all they claim to be, then those boards should come in the near future if not before Zen+.
That's why I'm not buying into the Titanium or Hero yet. I feel like MSI and ASUS are gauging interest for high-end options with Ryzen and I'm not going to spend more than I have to this early on. I'll revisit it if and when extreme overclocking boards appear.
 

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Quote:
Originally Posted by josephimports View Post

The Biostar GT7 has Digital Power+ which may include ir3555a power stages. Ill be removing the heatsinks once it arrives to confirm.
wink.gif
In that picture that's only 10 PowIRStages. That would only put it on par with a Gigabyte Gaming 5

Given that Biostar appears to be using an ITE chip for fans cooling the CPU and case and I'd rather not bother with them.

edit: I didn't notice that picture was from a LGA1151 instead of AM4, so nevermind
 

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I'm not saying I expect drastic revisions, but to be fair that is a pic from an LGA board so there might be some differences.
 

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About Biostars...Before buying, i would let someone else do the guinea pig, especially if Ryzen pulls a lot of amperes and you guys are interested in overclocking. My one and only recent experience with Biostar, showed that they prefer to cut corners on the VRM.

http://www.overclock.net/t/1612857/i-found-out-why-biostar-isnt-selling

Just a word of caution, because all manufacturers cut somewhere and usually they keep cutting corners at the same area for a long period of time. One other note that i observed yesterday doing a quick browsing. It appears that Asrock has learnt lessons from AM3+ and now advertzises 2Oz copper in the AM4 motherboards. Meaning, no longer thin, overheating PCB, which on its turn was prematurely overheating mosfets, causing to throttle. On another note, MSI still advertizes Military Class 4, but again, once you click on details, you only read about dark caps and chokes. Which leads to suspect that they are, as per tradition, using Nikos mosfets on AM4 too. So, one should await for thorough reviews, especially on an untested new generation of motherboards. Aspiring Gigabyte users should also wait to see how much weirdness will be present in BIOS.

My personal hunch, is that ASUS and Asrock will have the more easygoing motherboards. Asrock used to cut corners on VRM in AM3+, but at least, with the 2oz copper it should behave better and BIOS was always easy. It remains to be seen whether Asrock's love for doublers continues or not. Not overclock king, but it should be an easygoing motherboard. ASUS will probably keep overclocking crown. MSI's UEFI seems much better than in AM3+ too.
 
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