Overclock.net › Forums › Components › Power Supplies › 4+4 pin vs 8pin - which one?
New Posts  All Forums:Forum Nav:

4+4 pin vs 8pin - which one?

post #1 of 8
Thread Starter 
Hey guys, my OCZ Fatal1ty 750w PSU has both a 4+4 pin CPU power plug and an 8 pin CPU power plug. Which one do I use?
The Dogs
(8 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k Gigabyte P67A-UD7-B3 ASUS 5970 2GB w/ Accelero XTREME 12gb Mushkin Silverline 1333 (3x4gb) 
CoolingMonitorPowerCase
RS240 w/ 2x GT AP-15 LG 22" W2243T Silverstone Strider 750 Fractal R3 Black 
  hide details  
Reply
The Dogs
(8 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k Gigabyte P67A-UD7-B3 ASUS 5970 2GB w/ Accelero XTREME 12gb Mushkin Silverline 1333 (3x4gb) 
CoolingMonitorPowerCase
RS240 w/ 2x GT AP-15 LG 22" W2243T Silverstone Strider 750 Fractal R3 Black 
  hide details  
Reply
post #2 of 8
you can use either one smile.gif
Shenanigans
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-3570k (4.4Ghz @ 1.12v ~ 1.17v) Asrock P67 Extreme 4 Gen 3 EVGA GTX 580 w/ aquagrafx block Samsung green ddr3 
Hard DriveCoolingCoolingCooling
WD Cavier Blue Swiftech GTZ Coolgate 240mm rad XSPC 480mm rad 
CoolingMonitorKeyboardPower
15x Bitfenix Led 120mm fans eMachines E211H x3 OCN Ducky  Cooler Master Silent Gold Pro 1200w 
CaseMouse
AZZA GEN 9000 Logitech G7 
  hide details  
Reply
Shenanigans
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-3570k (4.4Ghz @ 1.12v ~ 1.17v) Asrock P67 Extreme 4 Gen 3 EVGA GTX 580 w/ aquagrafx block Samsung green ddr3 
Hard DriveCoolingCoolingCooling
WD Cavier Blue Swiftech GTZ Coolgate 240mm rad XSPC 480mm rad 
CoolingMonitorKeyboardPower
15x Bitfenix Led 120mm fans eMachines E211H x3 OCN Ducky  Cooler Master Silent Gold Pro 1200w 
CaseMouse
AZZA GEN 9000 Logitech G7 
  hide details  
Reply
post #3 of 8
looks like they're both EPS12V
EVGA E759
(20 items)
 
  
CPUMotherboardGraphicsRAM
i7 970@4.8GHz 200x24x1.42v EVGA X58 Classified(E759) 3xEVGA GTX480 800/1600/3900@1.1v 3x4GB Corsair GT@2000 9-9-9-23-1T-1.65v 
Hard DriveHard DriveCoolingCooling
Crucial V4 128GB/OS WD 3TB/Steam Cpu - Corsair H110/4x140mm PTech V14 MB - 2x60mm  
CoolingCoolingCoolingOS
Ram - 2x60mm  VGA - EVGA backplates/HF backets Case - 4x120mm CougarX/NZXT Sentry Windows 7 x64 
MonitorKeyboardPowerCase
3x21.5 Asus VE228H 6040x1080 Logitech G110 Corsair AX1200 Lian Li PC-A77F 
MouseMouse PadAudioOther
Logitech G9x Xtrac Ripper XL Creative SB-Z/Logitech 2.1 Logitech G27/G940/2xX360 controllers 
  hide details  
Reply
EVGA E759
(20 items)
 
  
CPUMotherboardGraphicsRAM
i7 970@4.8GHz 200x24x1.42v EVGA X58 Classified(E759) 3xEVGA GTX480 800/1600/3900@1.1v 3x4GB Corsair GT@2000 9-9-9-23-1T-1.65v 
Hard DriveHard DriveCoolingCooling
Crucial V4 128GB/OS WD 3TB/Steam Cpu - Corsair H110/4x140mm PTech V14 MB - 2x60mm  
CoolingCoolingCoolingOS
Ram - 2x60mm  VGA - EVGA backplates/HF backets Case - 4x120mm CougarX/NZXT Sentry Windows 7 x64 
MonitorKeyboardPowerCase
3x21.5 Asus VE228H 6040x1080 Logitech G110 Corsair AX1200 Lian Li PC-A77F 
MouseMouse PadAudioOther
Logitech G9x Xtrac Ripper XL Creative SB-Z/Logitech 2.1 Logitech G27/G940/2xX360 controllers 
  hide details  
Reply
post #4 of 8
Both are fine. smile.gif

The 4+4 one exists because some motherboards only take 4 pin.
post #5 of 8
yup, use either one. They are probably wired to the same spot inside the PSU.

Odd that is has both, it is usually 4 pin ATX and 8 pin EPS or a single 4+4 EPS.
'Pooter
(15 items)
 
For Sale: AM2 3600+ x2
$25 (USD)
 
CPUMotherboardGraphicsRAM
Phenom II 830 x4 Gigabyte GA-880GM-D2H MSI GTX 460 Hawk 12 gigs (2x2 and 2x4) Corsair DDR3 1600 
Hard DriveOptical DriveOptical DriveCooling
Samsung  Samsung DVD-RW  Samsung DVD-RW  Cooler Master Hyper 212+ 
OSMonitorKeyboardPower
Windows 7 Pro x64 ASUS VH242H 23.6" Logitech MX 3200 Wireless Antec Neo Eco 620 
CaseMouseOther
Antec P-180 Mini Logitech MX 3200 Wireless Crucial m4 128  
  hide details  
Reply
'Pooter
(15 items)
 
For Sale: AM2 3600+ x2
$25 (USD)
 
CPUMotherboardGraphicsRAM
Phenom II 830 x4 Gigabyte GA-880GM-D2H MSI GTX 460 Hawk 12 gigs (2x2 and 2x4) Corsair DDR3 1600 
Hard DriveOptical DriveOptical DriveCooling
Samsung  Samsung DVD-RW  Samsung DVD-RW  Cooler Master Hyper 212+ 
OSMonitorKeyboardPower
Windows 7 Pro x64 ASUS VH242H 23.6" Logitech MX 3200 Wireless Antec Neo Eco 620 
CaseMouseOther
Antec P-180 Mini Logitech MX 3200 Wireless Crucial m4 128  
  hide details  
Reply
post #6 of 8
don't some gfx cards take an 8 pin? do the cpu and gpu both use the save voltages?
    
CPUMotherboardGraphicsRAM
AMD phenom II x6 1045t ASUS m4a79xtd evo asus hd 4870 1gb dark knight edition 2x 4gb G.Skill Ripjaw 1600 
Hard DriveHard DriveOptical DriveOptical Drive
WD 2tb green WD 320gb @7200rpm HP dvd 1270t HP dvd 1040e 
Optical DriveCoolingOSMonitor
GCE-4881b cooler master hyper 212 plus Windows7 Ultimate 64 bit Viore 19 inch hdtv @1920x1080i 
KeyboardPowerCaseMouse
HP Wireless  X-Power Pro 600 Antec Three Hundred HP Wireless 
Mouse PadAudioAudioAudio
generic black Altec Lansing BX1020 Speakers Altec Lansing BX1221 Speakers with Subwoofer Subwooferish Portable Speaker 
Other
Megecam 15fps 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
AMD phenom II x6 1045t ASUS m4a79xtd evo asus hd 4870 1gb dark knight edition 2x 4gb G.Skill Ripjaw 1600 
Hard DriveHard DriveOptical DriveOptical Drive
WD 2tb green WD 320gb @7200rpm HP dvd 1270t HP dvd 1040e 
Optical DriveCoolingOSMonitor
GCE-4881b cooler master hyper 212 plus Windows7 Ultimate 64 bit Viore 19 inch hdtv @1920x1080i 
KeyboardPowerCaseMouse
HP Wireless  X-Power Pro 600 Antec Three Hundred HP Wireless 
Mouse PadAudioAudioAudio
generic black Altec Lansing BX1020 Speakers Altec Lansing BX1221 Speakers with Subwoofer Subwooferish Portable Speaker 
Other
Megecam 15fps 
  hide details  
Reply
post #7 of 8
The graphics card 8-pin is completely different than the 8-pin for CPU power.

And most decent power supplies have both 4+4 pin and 8 pin connectors because some high end boards actually have BOTH 4 and 8 pin connectors on them. Some even have two 8-pin connectors on the motherboard.
Main rig
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-3570K CPU 3.4GHz @ 3.8GHz Gigabyte G1.Sniper 3 Gigabyte GTX 670 2GB X 2 Corsair Dominator Platinum 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Black 1TB Corsair Force Series 3 480GB Lite-On BDRW w/ LightScribe Corsair H100 
OSMonitorMonitorKeyboard
Windows 7 Ultimate Samsung 2233RZ Samsung B2240 Razer Black Widow Ultimate 
PowerCaseMouseMouse Pad
Corsair AX860i Corsair Vengeance  Razer Imperator Some 3M thing that sticks to my desk 
Audio
Creative Labs Sound Blaster Recon3Di 
  hide details  
Reply
Main rig
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-3570K CPU 3.4GHz @ 3.8GHz Gigabyte G1.Sniper 3 Gigabyte GTX 670 2GB X 2 Corsair Dominator Platinum 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Black 1TB Corsair Force Series 3 480GB Lite-On BDRW w/ LightScribe Corsair H100 
OSMonitorMonitorKeyboard
Windows 7 Ultimate Samsung 2233RZ Samsung B2240 Razer Black Widow Ultimate 
PowerCaseMouseMouse Pad
Corsair AX860i Corsair Vengeance  Razer Imperator Some 3M thing that sticks to my desk 
Audio
Creative Labs Sound Blaster Recon3Di 
  hide details  
Reply
post #8 of 8
Thread Starter 
Thanks for advice, guys. I've been using the 4+4 because I went from a board with a 4pin to a board with an 8 pin.
The Dogs
(8 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k Gigabyte P67A-UD7-B3 ASUS 5970 2GB w/ Accelero XTREME 12gb Mushkin Silverline 1333 (3x4gb) 
CoolingMonitorPowerCase
RS240 w/ 2x GT AP-15 LG 22" W2243T Silverstone Strider 750 Fractal R3 Black 
  hide details  
Reply
The Dogs
(8 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k Gigabyte P67A-UD7-B3 ASUS 5970 2GB w/ Accelero XTREME 12gb Mushkin Silverline 1333 (3x4gb) 
CoolingMonitorPowerCase
RS240 w/ 2x GT AP-15 LG 22" W2243T Silverstone Strider 750 Fractal R3 Black 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Power Supplies
Overclock.net › Forums › Components › Power Supplies › 4+4 pin vs 8pin - which one?