Overclock.net › Forums › Components › Power Supplies › Using cables from different power supplies, is it okay?
New Posts  All Forums:Forum Nav:

Using cables from different power supplies, is it okay?

post #1 of 10
Thread Starter 
Hi, I'm in need of an answer. It's my fault but I cannot find the other pcie cable for my Seasonic x650, so I'm curious to know if I can use a pcie cable from either the same brand but lower wattage or a completely different brand.

I have 2 possible cables to use. One is from a Seasonic M12II 520w but the only difference is that while the x650 has only one empty pin, the cable from the 520w has two empty pins. What are the chances of this working?

The other option is a pcie cable from an HX850w that's about 3-4 years old. It has 1 empty pin just like the x650 but it's from Corsair so I'm not sure how safe it is.


Any information would be appreciated!
post #2 of 10
Probably not. I tried using a CPU cable from an EVGA unit with a Corsair CX750M, and the cable popped and smoked. So it doesn't seem safe from my experience.
Roxanne
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-4670k Asus Maximus VI Hero EVGA 770 4GB SC G.SKILL 
Hard DriveHard DriveHard DriveOptical Drive
WD Black Samsung 840 EVO Samsung 850 EVO 120 LG M-Disc 
CoolingOSMonitorMonitor
Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit Asus VS248H-P Asus VE248H-P 
KeyboardPowerCaseMouse
Microsoft Sidewinder X4 EVGA 850W G2 Corsair Carbide 500R White Corsair M65 
Mouse PadAudioAudioOther
Corsair MM200 Some Logitech junk speakers Creative Aurvana Live Blue Snowball Microphone 
  hide details  
Reply
Roxanne
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-4670k Asus Maximus VI Hero EVGA 770 4GB SC G.SKILL 
Hard DriveHard DriveHard DriveOptical Drive
WD Black Samsung 840 EVO Samsung 850 EVO 120 LG M-Disc 
CoolingOSMonitorMonitor
Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit Asus VS248H-P Asus VE248H-P 
KeyboardPowerCaseMouse
Microsoft Sidewinder X4 EVGA 850W G2 Corsair Carbide 500R White Corsair M65 
Mouse PadAudioAudioOther
Corsair MM200 Some Logitech junk speakers Creative Aurvana Live Blue Snowball Microphone 
  hide details  
Reply
post #3 of 10
Hi there tongue.gif

Are we talking about PCIe x6 or x8?

As far as I know the 6-pin only provides 75W while the 8-pin provides up to 150W. regardless of the company they should be designed to meet these specs.

The only exception to the rule is PSUs with 6+2 pins connectors. The units that have those both the 6 pin and 8 pin combinations are rated up to 150 watts.

Now if you have a 6-pin cable and 1 is missing these means that it's not intended for GPU use, but to power SATA and other things. At least my PSU comes with a few 6-pin PCIe with 1 pin missing on the middle, and then the cable transform to molex, and another to SATA power. you should check your PSU manual and double check

Nevertheless i guess i will choose the cable that comes with the higher wattage PSU tongue.gif should be good. but check pin orientation.

hope that helps rolleyes.gif
Edited by josepi - 11/4/15 at 8:30am
Genesis
(11 items)
 
   
CPUMotherboardGraphicsRAM
AMD 9590 Asus Crosshair V Formula-Z AMD Firepro W8000 16Gb Mushkin Red Line @2400Mhz  
Hard DriveHard DriveCoolingOS
SanDisk Extreme 240Gb SSD WD RED 1Tb x2  Custom Liquid Cooling Loop Win7 Ultimate x64 
MonitorPowerCase
Dual Asus VN247H 24" CoolMax 1600w 80+ Fractal Design Define R4 
CPUCPUMotherboardGraphics
Intel Xeon Quadcore X5350 Intel Xeon Quadcore X5350 TYAN S5376 Tempest i5100w AMD FirePro V7750 
RAMHard DriveCoolingPower
12Gb 2*6 REG/ECC DDR-2 667Mhz Cl5 Hitachi 256Gb Sata II Dual Custom Loop Cooler Master w1000 
Case
RocketFish Aluminum Full Tower 
  hide details  
Reply
Genesis
(11 items)
 
   
CPUMotherboardGraphicsRAM
AMD 9590 Asus Crosshair V Formula-Z AMD Firepro W8000 16Gb Mushkin Red Line @2400Mhz  
Hard DriveHard DriveCoolingOS
SanDisk Extreme 240Gb SSD WD RED 1Tb x2  Custom Liquid Cooling Loop Win7 Ultimate x64 
MonitorPowerCase
Dual Asus VN247H 24" CoolMax 1600w 80+ Fractal Design Define R4 
CPUCPUMotherboardGraphics
Intel Xeon Quadcore X5350 Intel Xeon Quadcore X5350 TYAN S5376 Tempest i5100w AMD FirePro V7750 
RAMHard DriveCoolingPower
12Gb 2*6 REG/ECC DDR-2 667Mhz Cl5 Hitachi 256Gb Sata II Dual Custom Loop Cooler Master w1000 
Case
RocketFish Aluminum Full Tower 
  hide details  
Reply
post #4 of 10
PLEASE don't use the Corsair cable as a replacement, I don't think the OEM's match AT ALL!!
Look into the info about both of your Seasonic PSUs

Again, look for info pertaining to the pin orientation of the Seasonic cable it might work OR you can buy a replacement sleeved set by cable mods or something to have a 1:1 replacement*if they make a set for your particular PSU.

Before plugging anything, get the info you need!!!
z97 RIG
(15 items)
 
Apophis
(18 items)
 
 
CPUMotherboardGraphicsRAM
4790k MSI z97 Gaming 7 Gigabyte G1 Gaming GTX 970 G Skill Ares 16gb 
Hard DriveHard DriveCoolingOS
Crucial MX100 256gb Seagate Barracuda 2tb Corsair H70 Windows 7 Pro 64bit 
MonitorKeyboardPowerCase
AOC 24 inch 144hz  Razer Blackwidow chroma EVGA 850 G Silient Corsair Air 540 
MouseMouse PadAudio
Razer Deathadder Chroma Generic On-board Audio 
CPUMotherboardGraphicsGraphics
Core i7 920 D0@ 4.2 1.25625 vcore EVGA Classified 760 EVGA GTX 470 SC+ EVGA GTX 470 SC+ 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT 1866 3x2 gbs 1TB Samsung Spinpoint Lite-On DVD drive EK Supreme LTX Water Block 
CoolingCoolingCoolingOS
EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
MonitorKeyboardPowerCase
Samsung ToC 24" Razer Black Widow Seasonic Platinum 1000 watt CoolerMaster HAF 932 
Mouse
Logitech G5 
  hide details  
Reply
z97 RIG
(15 items)
 
Apophis
(18 items)
 
 
CPUMotherboardGraphicsRAM
4790k MSI z97 Gaming 7 Gigabyte G1 Gaming GTX 970 G Skill Ares 16gb 
Hard DriveHard DriveCoolingOS
Crucial MX100 256gb Seagate Barracuda 2tb Corsair H70 Windows 7 Pro 64bit 
MonitorKeyboardPowerCase
AOC 24 inch 144hz  Razer Blackwidow chroma EVGA 850 G Silient Corsair Air 540 
MouseMouse PadAudio
Razer Deathadder Chroma Generic On-board Audio 
CPUMotherboardGraphicsGraphics
Core i7 920 D0@ 4.2 1.25625 vcore EVGA Classified 760 EVGA GTX 470 SC+ EVGA GTX 470 SC+ 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT 1866 3x2 gbs 1TB Samsung Spinpoint Lite-On DVD drive EK Supreme LTX Water Block 
CoolingCoolingCoolingOS
EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
MonitorKeyboardPowerCase
Samsung ToC 24" Razer Black Widow Seasonic Platinum 1000 watt CoolerMaster HAF 932 
Mouse
Logitech G5 
  hide details  
Reply
post #5 of 10
Thread Starter 
Quote:
Originally Posted by josepi View Post

Hi there tongue.gif

Are we talking about PCIe x6 or x8?

As far as I know the 6-pin only provides 75W while the 8-pin provides up to 150W. regardless of the company they should be designed to meet these specs.

The only exception to the rule is PSUs with 6+2 pins connectors. The units that have those both the 6 pin and 8 pin combinations are rated up to 150 watts.

Now if you have a 6-pin cable and 1 is missing these means that it's not intended for GPU use, but to power SATA and other things. At least my PSU comes with a few 6-pin PCIe with 1 pin missing on the middle, and then the cable transform to molex, and another to SATA power.

Nevertheless i guess i will choose the cable that comes with the higher wattage PSU tongue.gif should be good.

hope that helps rolleyes.gif


Hey, they're 6+2 cables. 8pin plugged into the PSU.

What I'm using them for is a GTX 980ti Lightning which requires 6,8, and 8 pin connecters.
The cable in the Seasonic x650 has 2 6+2s, and so does the corsair cable. The 520w Seasonic cable is the same as well, 6+2pin. Like I said though, this cable has 2 empty pins on the PSU connector while the x650w has just one.

Let me know if you need more info
post #6 of 10
You would have to make sure that they physically match.
meaning the pins coming from the unit are the same as what the cable hooks up.

So if you have another cable, make sure the pinning on the cable is the same, if it is you are good to go.
If the pins aren't the same, you either need to find a correct cable, or change the pinning of the one cable to match what is needed.
post #7 of 10
Just don't !!!!

You need to know the pinout from the PSU, if you dont know this or understand, please leave the cables for what it is and shoot your manufacturer an E-mail to see if you can buy/get some spare original cables.
post #8 of 10
Quote:
Originally Posted by thrasherht View Post

You would have to make sure that they physically match.
meaning the pins coming from the unit are the same as what the cable hooks up.

So if you have another cable, make sure the pinning on the cable is the same, if it is you are good to go.
If the pins aren't the same, you either need to find a correct cable, or change the pinning of the one cable to match what is needed.

This rolleyes.gif ^

we can help you out, if you send some picture of the cables and Pins to see, but in the end before you plug anything you have to be 100% sure, remember if the pins are wrong, then you will burn your card. If you are missing one pin, then the cable will burn from extra current draw.

Mainly, 6+2 pins are designed with 16awg cables and the 2 extra pins are actually ground (Black cables), but some manufactures change these specs.
Genesis
(11 items)
 
   
CPUMotherboardGraphicsRAM
AMD 9590 Asus Crosshair V Formula-Z AMD Firepro W8000 16Gb Mushkin Red Line @2400Mhz  
Hard DriveHard DriveCoolingOS
SanDisk Extreme 240Gb SSD WD RED 1Tb x2  Custom Liquid Cooling Loop Win7 Ultimate x64 
MonitorPowerCase
Dual Asus VN247H 24" CoolMax 1600w 80+ Fractal Design Define R4 
CPUCPUMotherboardGraphics
Intel Xeon Quadcore X5350 Intel Xeon Quadcore X5350 TYAN S5376 Tempest i5100w AMD FirePro V7750 
RAMHard DriveCoolingPower
12Gb 2*6 REG/ECC DDR-2 667Mhz Cl5 Hitachi 256Gb Sata II Dual Custom Loop Cooler Master w1000 
Case
RocketFish Aluminum Full Tower 
  hide details  
Reply
Genesis
(11 items)
 
   
CPUMotherboardGraphicsRAM
AMD 9590 Asus Crosshair V Formula-Z AMD Firepro W8000 16Gb Mushkin Red Line @2400Mhz  
Hard DriveHard DriveCoolingOS
SanDisk Extreme 240Gb SSD WD RED 1Tb x2  Custom Liquid Cooling Loop Win7 Ultimate x64 
MonitorPowerCase
Dual Asus VN247H 24" CoolMax 1600w 80+ Fractal Design Define R4 
CPUCPUMotherboardGraphics
Intel Xeon Quadcore X5350 Intel Xeon Quadcore X5350 TYAN S5376 Tempest i5100w AMD FirePro V7750 
RAMHard DriveCoolingPower
12Gb 2*6 REG/ECC DDR-2 667Mhz Cl5 Hitachi 256Gb Sata II Dual Custom Loop Cooler Master w1000 
Case
RocketFish Aluminum Full Tower 
  hide details  
Reply
post #9 of 10
No you cant use cables from one PSU on another even if they fit the pin layout wont be the same and you could fry your PSU.
Not even cables from the same brand or OEM will work on another PSU from the same brand or OEM.
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
AudioOtherOther
Dali E12 F Subwoofer CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
AudioOtherOther
Dali E12 F Subwoofer CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #10 of 10
Thread Starter 
I just a bought another x650w and I'll take that cable then reuse the PSU somewhere, no big deal.
Thanks for the help guys, glad I asked here before trying to plug anything in.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Power Supplies
Overclock.net › Forums › Components › Power Supplies › Using cables from different power supplies, is it okay?