PSU and GTX 780ti

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cabudinen

cabudinen

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Apr 25, 2013
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Hi,

I have a Coolermaster Silent Pro Gold 800w PSU. It has 3 seperate cables with each a PCI-e 6-pin and PCI-e 6+2 pin. (one coming out of the PSU itself with a yellow color) Now I'm a bit confused, can I use one cable to connect my GTX780ti card (one 8-pin and one 6-pin connections needed), or do I need to use 2 seperate cables?

The PSU has a single rail 12v with 65 amps,(the card only needs 42amps) with enough amperage, which this Coolermaster definitely has.

But I am confused on which cable is the single rail. Are rails the cables? heres the link to the PSU

http://www.coolermaster.com/product/Detail/powersupply/silent-pro-gold/silent-pro-gold-800w.html
 
Solution
D
You need one 6 pin and one 8 pin (6+2) so for you that would be one cable, since you have both ends on the one cable.
Since you have a single rail don't even worry about it; everything goes to that one rail.
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Deuce65

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Oct 16, 2013
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You need one 6 pin and one 8 pin (6+2) so for you that would be one cable, since you have both ends on the one cable.
Since you have a single rail don't even worry about it; everything goes to that one rail.
 
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Solution
cabudinen

cabudinen

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Apr 25, 2013
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So basically it does not matter which PCI-e cable I plug in, the PSU will automatically draw the power to that line. Is this correct?
 
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dark_globe

dark_globe

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Aug 16, 2013
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since your psu has single 12V rail design it doesn´t matter ,
because the monitoring circuit has just one OCP channel for 12V rail anyway
so you don´t have to worry about power distribution and you can use just one cable in order of better cable management...
 
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