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First time builder: Confused on how to connect power to my GTX 770 card

Last response: in Graphics & Displays
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March 2, 2014 11:07:36 AM

Hello, first time PC builder here. Thanks in advance for your assistance.

My graphics card (GTX 770) requires two power connections- one is 6 pin and one is 8 pin.

My Corsair CX600M PSU is modular, but has two permanent cords attached to it: one is a large 2x12 bundle (obviously for the main MoBo power connector), and the other is a 2x4 which looks like it should be connected to the Mobo ATX 2x4 12v connector. This is correct, right?

The remaining modular slots on the PSU are as follows: One 4x2 (there is a label nearby, "6+2 PCI-E & 4+4 CPU) and three 3x2 (there is a label nearby, "Periphiral & SATA").

Several cords were included with the PSU, one is a 4x2 on one end and two 6+2 ends daisy chained on the other.

Question: How to power the graphics card?

Do I use this single 4x2 cord with the two daisy chained 6+2 ends? It will fit, but I am concerned as the amperage for both connectors on the card would then be coming from a single cable? It would seem to me to be cooler and safer to use two separate cables for each graphics power connector.

To do this, I could use the 4x2 slot on the PSU only to power the 4x2 input on the card and get a 2nd cord for the 3x2 input? If I do this, is it ok to use one of the 3x2 outputs on the PSU or are those only for "Peripheral & SATA"?

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a b U Graphics card
March 2, 2014 11:12:46 AM

Use the 6+2 single daisy chain connector you will have no problems what so ever, it was designed like that.
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March 2, 2014 12:27:27 PM

bluehowell said:
Use the 6+2 single daisy chain connector you will have no problems what so ever, it was designed like that.


Thank you, Bluehowell!
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a b U Graphics card
March 2, 2014 12:37:20 PM

No bother :) 
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