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Z370 / Z390 VRM Discussion Thread

post #1 of 1365
Thread Starter 
Socket LGA 1151 - here we go again!
Let's collect and discuss all the info we can gather about the VRMs on boards with Z370 or Z390 PCHs in this thread.

Warning: Read this before continuing! (Click to show)
Quote:
Originally Posted by twerk View Post

To be able to view the below tables correctly, you must have the "View Forums Full Width" option enabled within your Preferences. It will be mostly functional without doing this, but [the tables might not show up optimal].

How do I do this?

1. Hover over your username in the top right of the screen, a pop-up menu will appear. Click "Preferences".

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2. Under the "Forums" section of your Preferences, you will see an option called "View Forums Full Width". Tick it and click Save! You're done, everything should look as intended.

0301dff60c27e537a3e6cfa2395285d4.png



VRM list (Click to show)




















































































































































































































































































































































































































































































































































































































































































































VCC
VCCGT
____controller____
true
phases
_doublers_
highside
__MOSFET_
lowside
__MOSFET_
controller
true
phases
_doublers_
highside
__MOSFET_
lowside
__MOSFET_
source(s)
ASRock
Z370M Pro4 ISL95856 (4+2)
4 x 2
-
PZ0903BK or SM4337 PK618BA or SM4336 = VCC
2
-
PZ0903BK or SM4337 2x PK618BA or 2x SM4336 R1 R2
Z370 Pro4 ISL95856 (4+2)
4 x 2
-
PZ0903BK or SM4337 PK618BA or SM4336 = VCC
2
-
PZ0903BK or SM4337 2x PK618BA or 2x SM4336 R1 R2
Z370 Extreme4 ISL69138 (5+2)
5 x 2
-
SM7341EH
= VCC
2
-
SM7341EH
S1 R1
Z370 Killer SLI/ac ISL95856 (4+2)
4 x 2
-
= VCC
2
-
2x S1 R1
Z370 Taichi ISL69138 (5+2)
5 x 2
-
FDPC5030SG or SM7341EH
= VCC
2
-
FDPC5030SG or SM7341EH
S1 R1 R2 R3 R4
Z370 Fatal1ty Gaming K6 ISL69138 (5+2)
5 x 2
-
FDPC5030SG
= VCC
2
-
FDPC5030SG
S1 F1 F2
Z370 Fatal1ty Professional Gaming i7 ISL69138 (5+2)
5 x 2
-
SM7341EH
= VCC
2
-
SM7341EH
Y1
Z370M-ITX/ac
Fatal1ty Z370 Gaming-ITX/ac ISL69138 (5+2)
5
-
ISL99227B
=VCC
2
-
ISL99227B
R1
ASUS
Prime Z370-A ASP1400BT (4+2)
4 x 2
-
4C09B or SiRA14 4C06B or SiRA12 = VCC
2
-
4C09B or SiRA14 2x 4C06B or 2x SiRA12 P1 R1 R2
Prime Z370-P
TUF Z370-Plus Gaming
TUF Z370-Pro Gaming ASP1400BT (4+2)
4
-
4C09B 2x 4C06B = VCC
2
-
4C09B 4C06B S1 R1
ROG Strix Z370-E Gaming ASP1400BT (4+2)
4 x 2
-
SiRA14DP SiRA12DP = VCC
2
-
SiRA14DP 2x SiRA12DP R1 R2
ROG Strix Z370-F Gaming ASP1400BT (4+2)
4 x 2
-
SiRA14DP SiRA12DP = VCC
2
-
SiRA14DP 2x SiRA12DP S1 R1
ROG Strix Z370-G Gaming
ROG Strix Z370-G Gaming WiFi/ac
ROG Strix Z370-H Gaming
ROG Strix Z370-I Gaming ASP1400BT (6+2)
6
-
4C86N
= VCC
2
-
4C86N
S1 R1
ROG Maximus X Hero (WiFi/ac) ASP1400BT (4+2)
4 x 2
-
BSG0812ND
= VCC
2
-
BSG0812ND
S1 R1 R2
ROG Maximus X Apex ASP1405I (4+2)
4
4x IR3599
BSG0812ND
= VCC
2
-
BSG0812ND
R1 F1 R2
ROG Maximus X Code
ROG Maximus X Formula
Biostar
Racing Z370 GT6 ISL95866 (4+2)
4 x 2
-
SM4364 SM4377 = VCC
2
-
SM4364 SM4377 R1
Racing Z370 GT7
EVGA
Gigabyte
Z370M D3H ISL95866 (4+2)
4
-
2x 4C10N 2x 4C06N = VCC
2
-
4C10N 4C06N R1
Z370 HD3 ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N S1 R1
Z370 HD3P ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N S1 F1 F2
Z370XP SLI ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N F1 F2
Z370 Aorus Gaming WiFi ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N R1
Z370 Aorus Ultra Gaming ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N R1 R2
Z370 Aorus Gaming K3 ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N F1
Z370 Aorus Gaming 3 ISL95866 (4+3)
4
-
2x 4C10N 2x 4C06N = VCC
3
-
4C10N 4C06N F1
Z370 Aorus Gaming 5 ISL95866 (4+3)
4 x 2
-
4C10N 4C06N = VCC
3
-
4C10N 4C06N F1 R1
Z370 Aorus Gaming 7 ISL69138 (4+2)
4
4x ISL6617
ISL99227B
=VCC
2
-
ISL99227B
R1 R2
Z370N WiFi ISL95866 (4+2)
4
-
4C10N 2x 4C06N = VCC
2
-
4C10N 4C06N F1
MSI
Z370-A Pro
Z370 PC Pro uP9508 (4+1)
4
-
2x SM4337 2x SM4503 = VCC
1
1x uP1961 R1
Z370 SLI Plus uP9508 (4+1)
4 x 2
-
QN3103 QN307 = VCC
1
1x uP1961 QN3103 2x QN307 R1
Z370 Tomahawk uP9508 (4+1)
4 x 2
-
QN3103 QN307 = VCC
1
1x uP1961 QN3103 2x QN3107 R1
Z370 Krait Gaming uP9508 (4+1)
4 x 2
-
QN3103 QN307 = VCC
1
1x uP1961 QN3103 2x QN3107 R1
Z370M Gaming Pro AC uP9508 (4+1)
4 x 2
-
4C029N 4C024N = VCC
1
1x uP1961 4C029N 2x 4C024N F1
Z370 Gaming Plus uP9508 (4+1)
4
-
2x SM4337 2x SM4503 = VCC
1
1x uP1961 R1
Z370 Gaming Pro Carbon (AC) uP9508 (4+1)
4 x 2
-
4C029N 4C024N = VCC
1
1x uP1961 4C029N 2x 4C024N R1 R2
Z370 Gaming M5 uP9508 (4+1)
4 x 2
4C029N 4C024N = VCC
1
1x uP1961 4C029N 2x 4C024N R1
Z370 Godlike Gaming IR35201 (6+2)
6
6x IR3599
IR3555
= VCC
2
2x IR3599
IR3555
S1 R1 R2
Z370I Gaming Pro Carbon AC
Supermicro
C7370-CG-L MP2955G (5+2)
5
-
MP86908
= VCC
2
-
MP86908
F1



Comments (Click to show)
Quote:
Originally Posted by AlphaC View Post

DISCLAIMER

Been browsing around and it seems casual people are taking this VRM thread on these boards a bit too seriously for non-delid chips. (low) Midrange or better for those people would be fine.

Dear guest readers: this is OCN, we use our machines for folding, BOINC, Cinema4d (i.e. not just cinebench for "lols"), and 14+ day uptime 24/7 running competitions maxed out on AvX instructionsets, not playing 1080p games on Ultra (GPU bound) 60fps two hours... smile.gif
Quote:
Originally Posted by AlphaC View Post

Right now it's looking like for VRM (subject to change if some boards are using 2 low side mosfets aka "doubled low side"):
TOP (LN2 , monoblocks)= Gigabyte Z370 SOC Force (unreleased, found on hwbot records) , Gigabyte Z370 Gaming 7 due to iSL99227B (60A rating) + ISL6617 doubler ... top audio, overkill VRM , Asus ROG APEX (a record holder on LN2) using 50A Optimos + ir3599 doubler, MSI Z370 Godlike (using 60A IR3555 overkill VRM +IR3599 doubler poor price/perf regardless)... likely Asus Z370 Maximus X Extreme too
Upper tier (custom water) = Asrock Z370 Fatal1ty Gaming Pro i7 (whatever the full name is, the expensive one) , Asrock Z370 Taichi using Fairchild Dual-N (low+high side) when heatsinked properly with heatpipe (limited to about 35A per mosfet @ 100°C), Asus Formula/Code/Hero boards using 50A Optimos
Midrange <$200 (All-in-one watercooling/dual tower air cooling)= Asrock Z370 Extreme4 / K6 using Fairchild or Sinopower 2-in-1 / "DSM"/ low+high side
Low Midrange , should be $160ish or less (Asus z270-A level VRM)=Asus Z370-A , Asus STRIX Z370-E/F /G , Gigabyte Z370 Gaming 5 , MSI Z370 Pro carbon , MSI z370 M5
Entry (sub 150W probably / 120mm fan cooler level, should be $120 or less if VRM is the only concern) = Asrock Z370 Killer SLI (push pin heatsink , cut down features is another issue on top of regular Sinopowers) , MSI z370 SLI PLUS (uPi controller + Ubiq mosfets) , MSI Z370 Krait (uPi controller + Ubiq mosfets) , MSI Z370 Tomahawk (uPi controller + Ubiq mosfets ; ALC892)
Not suitable for really overclocking unless it's not an i7 (at best MCE/ multi-core turbo only) = Asus TUF Pro Gaming / z370 STRIX H, Gigabyte Z370 Ultra Gaming , Gigabyte Z370 Gaming 3 & K3, Gigabyte Z370 XP SLI, MSI Z370 Gaming Plus, etc
<4 phases , or partially Unheatsinked (don't buy) :Asus Z370-P / TUF Z370 Plus, MSI Z370-A Pro , MSI z370 PC Pro, Asrock Z370 Pro4 , Gigabyte Z370 HD3, Gigabyte Z370M D3H , etc

Nov 21, 2017 revised chart:




Useful links:

Motherboard list @ videocardz.net

LGA 1151 Mainboard VRM list @ hardwareluxx
Edited by br0da - 12/6/17 at 2:59am
post #2 of 1365
The Asrock boards are out too. This is something I'm very interested in as well. I simply want to pick the board with the best OC performance, and I'm pretty stuck between the Taichi, Fatality i7, and the Hero.
s
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CPUMotherboardGraphicsRAM
1600X 4.025 @1.45v Gigabyte K7 1080 Ti 2050/5800 16 GB Trident Z 3200-12-14-14-30-1T-44-267 1.53v 
Hard DriveHard DriveCoolingOS
Samsung 960 Evo 500 GB Samsung 840 Pro 256 GB Noctua C14 Windows 10 x64 
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s
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1600X 4.025 @1.45v Gigabyte K7 1080 Ti 2050/5800 16 GB Trident Z 3200-12-14-14-30-1T-44-267 1.53v 
Hard DriveHard DriveCoolingOS
Samsung 960 Evo 500 GB Samsung 840 Pro 256 GB Noctua C14 Windows 10 x64 
MonitorPowerCase
Viotek GN34C UW 1440p 100Hz Corsair HX750 Phanteks Enthoo Evolv ATX 
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post #3 of 1365
Yea i was really surprised to find the new Intersil smart power stages int he gaming 7, like damn (they are very expensive)!
X99 Main Rig
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Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
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X99 Main Rig
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Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
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post #4 of 1365
Thread Starter 
Quote:
Originally Posted by Kanashimu View Post

The Asrock boards are out too. This is something I'm very interested in as well. I simply want to pick the board with the best OC performance, and I'm pretty stuck between the Taichi, Fatality i7, and the Hero.

When they were speaking of "DSMs" with 1.2mOhm RDS(on) in the past they were using TI NexFETs CSD87350 so most likely we'll see these FETs on the Z370 boards again.
Quote:
Originally Posted by Sin0822 View Post

Yea i was really surprised to find the new Intersil smart power stages int he gaming 7, like damn (they are very expensive)!

Yeah I do really appreciate that too. thumb.gif
post #5 of 1365
Quote:
Originally Posted by br0da View Post


If that VRM shot is accurate the're using NIKO Sem. FETs again

LGA 1151 Mainboard VRM list @ hardwareluxx
*Smashing my head against the wall*
post #6 of 1365
ASUS boards are out.

Video of the Z370 Apex and Z370 Formula

Sorry for the silly question, but once you know all the VRM parts, how do we know if a board will be a quality overclocker? If I understand correctly, the Gigabyte Z370 Gaming 7 has a high quality power stage controller?
Edited by Kanashimu - 9/29/17 at 7:15pm
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CPUMotherboardGraphicsRAM
1600X 4.025 @1.45v Gigabyte K7 1080 Ti 2050/5800 16 GB Trident Z 3200-12-14-14-30-1T-44-267 1.53v 
Hard DriveHard DriveCoolingOS
Samsung 960 Evo 500 GB Samsung 840 Pro 256 GB Noctua C14 Windows 10 x64 
MonitorPowerCase
Viotek GN34C UW 1440p 100Hz Corsair HX750 Phanteks Enthoo Evolv ATX 
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CPUMotherboardGraphicsRAM
1600X 4.025 @1.45v Gigabyte K7 1080 Ti 2050/5800 16 GB Trident Z 3200-12-14-14-30-1T-44-267 1.53v 
Hard DriveHard DriveCoolingOS
Samsung 960 Evo 500 GB Samsung 840 Pro 256 GB Noctua C14 Windows 10 x64 
MonitorPowerCase
Viotek GN34C UW 1440p 100Hz Corsair HX750 Phanteks Enthoo Evolv ATX 
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post #7 of 1365
Could you buy that VRM waterblock and remove the Apex heatsink and swap it? From those two boards.
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post #8 of 1365
Sorry Kanashimu already posted the Asus boards. Didnt see it.
Edited by phillyman36 - 9/30/17 at 3:40am
post #9 of 1365
Thread Starter 
Quote:
Originally Posted by Kanashimu View Post

ASUS boards are out.

Can't find anything interesting in there. frown.gif
Quote:
Originally Posted by Kanashimu View Post

Sorry for the silly question, but once you know all the VRM parts, how do we know if a board will be a quality overclocker?

There are quite a lot of good indicators. Just check out common guides on this topic, e.g. Sins.
Quote:
Originally Posted by Kanashimu View Post

If I understand correctly, the Gigabyte Z370 Gaming 7 has a high quality power stage controller?

Yeah the controller is a high quality one, also the power stages themselves are high quality too.

post #10 of 1365
I wonder if the mITX Z370I Strix would push the 8700K at 5Ghz as the Z270I did, and if EK releases a monoblock also.
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