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How do I connect power to my GPU?

My Asus DCII GTX 780 graphics card has 2 pci female power connections sitting right next to each other. One is an 8-pin (female) and the other is a 6-pin (female).

How do I connect cables to this thing? Do I need to use both of these connections or just one? Can I just do the one 8-pin?

None of the cables that came with the GPU or power supply have both 8 and 6 pin male connectors on the same side. They are all single 8 pin male to 6+2 male.
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  1. Yeah, you need both of them: plug the 6+2 into the 8 pin female slot on the 780, and just a 6 pin into the 6 pin female on the 780. It sounds like you do have them, what exactly is the problem?
  2. Use a 6+2 for the six pin (let the 2 pin dangle) and use another 6+2 or the 8 pin for the other. You must fill all the connectors - the card will not work without full power.

    Mark
  3. thenewnumber2 said:
    Yeah, you need both of them: plug the 6+2 into the 8 pin female slot on the 780, and just a 6 pin into the 6 pin female on the 780. It sounds like you do have them, what exactly is the problem?


    I have a cable like that. 8 pin for psu, then splits into a Y with (2x) 6+2's. it just seems weird though because the second 6+2 is splitting off in the opposite direction and to get it to go the same way as the other 6+2, to connect to the GPU, I have to bend it at quite an angle. And since the cables are sleeved this bend seems kinda sketchy
  4. Best answer
    Don't worry - sometimes the psu makers do that expecting the user to come up (or over) between two cards, rather than needing both connectors on one card. If you have a second cable, use both, that way you won't have to worry about bending the cable.

    Mark
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