How can I power a graphic card which requires 1x8-pin and 1x6-pin?

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Tony Doan

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Nov 23, 2016
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I am building a new custom PC. I'm getting the GALAX GEFO​RCE® GTX 1​070 EXOC-S​NPR WHITE ​8GB and my PSU is the EVGA Super​NOVA 750 G​2 80+ GOLD​ 750W Full​y Modular. I also order some custom cables. Can I use just one cable with 8-pin connects to the PSU and 6+8-pin connects to the GPU? Or I have to use 2 separated cables (6+2-pin and 8-pin)
 
Solution
lordmogul
You might actually even just cut off the two wires you don't need. (best at the PSU side of the cable to avoid having them flying around.) Even better would be to just remove them entirely from the plugs aswell.

But be aware that you won't be able to reattach them without going into somewhat dangerous territory.
You will void the warranty of your PSU and you have to make sure you don't get any shorts. So proper isolation will be neccecary.
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greens

greens

Splendid
Jan 27, 2012
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Its two separate cables. There will be two places to plug power into the GPU, one of them takes the 6+2 and the other takes just the 6 - but both are required for the card to function.

It will make sense once you have all your stuff.
 
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T

Tony Doan

Commendable
Nov 23, 2016
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1,510

I know I need two cables, but it's gonna make my custom look weird with 2-pin hanging outside. I just wonder that can I use a Y split which has one head is 8-pin to the PSU and on another is 8+6-pin to the GPU?
 
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greens

greens

Splendid
Jan 27, 2012
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Er, yeah sure as long as it is wired correctly.

In theory you could exceed the current rating of the wire, by doubling it up some people swear to never use an adapter. But the PSU and the GPU certainly don't care.
 
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T

Tony Doan

Commendable
Nov 23, 2016
3
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1,510

So it's safe to use the Y-splitter? I just don't wanna fry my GPU.
 
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lordmogul

lordmogul

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Jun 14, 2014
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You might actually even just cut off the two wires you don't need. (best at the PSU side of the cable to avoid having them flying around.) Even better would be to just remove them entirely from the plugs aswell.

But be aware that you won't be able to reattach them without going into somewhat dangerous territory.
You will void the warranty of your PSU and you have to make sure you don't get any shorts. So proper isolation will be neccecary.
 
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Solution
G

Guest

Guest


This might be a stupid question but if a GPU has a 1x6and a 1x8 connector will it draw more power?
 
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