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Power supply cable help

post #1 of 12
Thread Starter 
Ive got a Corsair RM850 and for some reason this psu only comes with linked pcie cables meaning the cable connects to the psu with one end and has two 6+2 connectors on the other end. Yet it comes with two 8 pins labeled for the cpu. If i were to just map out the 8pin cpu to match the pcie cable it should be okay right? Im trying to keep the wire management on my build perfect and this cable is really messing with me !
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Zen Ninja
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post #2 of 12

I'm not sure I'm following. Just plug the PCI-E cables in and you're good to go.

 

Are you asking if you can use the CPU power cables? If so, then no. That's not safe. Just use the PCI-E cables and you'll be all set.


Edited by TwoCables - 8/9/16 at 6:15pm
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It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
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Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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post #3 of 12
Thread Starter 

This is the cable labeled for pcie

So im thinking why not take the pinout of this cable and copy it to the cpu 8pin to 8pin instead of having that stupid extra cable . Im also sleeving and it would be so ugly and hard to hide
Zen Ninja
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Zen Ninja
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post #4 of 12

Oh. I don't know anything about this. I thought you were asking something else.

It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #5 of 12
Technically, yes, you can since your PSU is single rail.

You will probably end up melting the wires, especially if you are overclocking anything. You would be better off bundling the wires together and extending them if they become too short than trying to share loads. It wouldn't fail quickly as you aren't grossly going over spec so sitting in windows it could appear to be fine. After a few minutes of gaming or bench-marking, it will go up in flames.

Edit: This is assuming you are wanting to stick the CPU aux power cable on the end of the GPU/PCIe one or vise versa. If you are talking about changing the connector type on the PSU side, and not sharing anything, you should be fine.
Edited by ShamrockMan - 8/10/16 at 1:13pm
post #6 of 12
Thread Starter 
Yeah im just going to look at the pinout of the pcie labeled cable and copy it to the straight 8pin to 8pin labeled cpu. Its the same i think if not well im screwee but i dont see what can go wrong unless i screw up the pinout copy
Zen Ninja
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xfx Antec Dark Fleet 
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Zen Ninja
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CPUMotherboardGraphicsRAM
AMD 1700x ASROCK X370 Taichi EVGA 1080ti FTW3 G.Skill 3200Mhz 16GB(8x2) 
Hard DriveHard DriveCoolingOS
Samsung 500GB M.2 NVME Seagate Custom PETG Cooling Windows 10 
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xfx Antec Dark Fleet 
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post #7 of 12
You should be fine in that case. I recommend getting a cheap multi-meter to double check your work as even a $10 shipped one can tell you that you got something backwards.
post #8 of 12
never mind i misread the OP.
Edited by looniam - 8/10/16 at 6:10pm
loon 3.2
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loon 3.2
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CoolingCoolingOSMonitor
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KeyboardPowerCaseMouse
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post #9 of 12

Hmm. Hey P?P?!, I asked the staff to move this to the 'Cables and Sleeving' forum (by using the 'Report' function - it's the best way) so that we can hear from those who would definitely know. I almost did this yesterday, but I just wanted to see what kind of replies we'd get here in the Power Supplies forum. So far, I'm not really seeing replies from anyone experienced with sleeving or any experts on sleeving.

 

I care very deeply that you can get this done correctly and perfectly the first time.

It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(18 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #10 of 12
Thread Starter 
Thanks for looking out 2cables!
Zen Ninja
(10 items)
 
  
CPUMotherboardGraphicsRAM
AMD 1700x ASROCK X370 Taichi EVGA 1080ti FTW3 G.Skill 3200Mhz 16GB(8x2) 
Hard DriveHard DriveCoolingOS
Samsung 500GB M.2 NVME Seagate Custom PETG Cooling Windows 10 
PowerCase
xfx Antec Dark Fleet 
  hide details  
Reply
Zen Ninja
(10 items)
 
  
CPUMotherboardGraphicsRAM
AMD 1700x ASROCK X370 Taichi EVGA 1080ti FTW3 G.Skill 3200Mhz 16GB(8x2) 
Hard DriveHard DriveCoolingOS
Samsung 500GB M.2 NVME Seagate Custom PETG Cooling Windows 10 
PowerCase
xfx Antec Dark Fleet 
  hide details  
Reply
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