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Need help identifying a power cord for connecting a GTX 650 Ti Boost to a Corsair HX750 PSU

Last response: in Graphics & Displays
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January 16, 2014 12:52:36 AM

Hi, I'm a first time desktop builder and hugely ignorant when it comes to power connectors.

My question for anybody interested in offering advice is this: I'm trying to install an Nvidia GTX 650 Ti Boost while using a Corsair HX750 power supply, and I can't understand what kind of power cable would work between them.

The GPU has a male 6-pin PCI-E port, and the PSU has several male 6+2 PCI-E ports (as well as several male 6-pin peripheral ports). This makes me think I would need a power cord that is female-to-female in order to connect the two.

I feel like the answer to this question is probably very simple, but I lack the basic understanding to recognize it for myself. If anybody could share some knowledge with me I would really appreciate it.
a b Î Nvidia
January 16, 2014 12:56:41 AM

i think it's the blue ones. there are several because a 750 can handle sli, you only need one though, not all 4.
besides, i dont think it will go if it's not meant to go there. also, look closer at the psu where the cable is suppose to go, there should be some label there, if not, check your manual.
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January 16, 2014 1:12:53 AM

If the graphics card has a male power connector, thats the first one I have ever seen.
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January 16, 2014 1:21:07 AM

If, as I suspect, it is a 6 pin female, you take the 6 pins from an 8 plus 2 and connect it, leaving the +2 pins
hanging idle.If it is an 8 pin femail, you put the plus two pins in as well. You cant put wrong pins in wrong places, they are all different shapes.
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January 16, 2014 4:23:45 AM

chrisso said:
If, as I suspect, it is a 6 pin female, you take the 6 pins from an 8 plus 2 and connect it, leaving the +2 pins
hanging idle.If it is an 8 pin femail, you put the plus two pins in as well. You cant put wrong pins in wrong places, they are all different shapes.


http://www.amazon.com/Silverstone-Tek-Sleeved-PCI-E-PP0...

The link above leads to a cord designed for Macs that looks exactly like the sort of connections I would need to marry my GPU and PSU together. Correct me if I'm using the term wrong, but both ends shown in the display pictures appear to be female ends. Whatever the accurate term is, those shapes within a single cord are what I would need based on the available ports on my GPU and PSU. I'm concerned though because my desktop is not Mac architecture, it's an ASUS P877-V LK motherboard.

You're right, I am looking for a 6-pin to 6+2-pin PCI-E cord, which led me to the amazon link above, but it is the only one I've seen so far where both ends of the cord would fit into my GPU and CPU properly. Most similar cords seem to have a standard design of one female and one male connector, but I need a cord where both connections are the same gender, aside from a difference in pin number.

I may try taking pictures of my GPU and PSU so I can better explain why I'm confused about the power cord requirements.
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a b Î Nvidia
January 16, 2014 6:21:57 PM

the 6+2 goes to the gpu (you wont be using the +2 though), the other end goes to the psu.
take a closer look at the connectors, look at the shapes, pretty sure it will only go the way it is suppose to
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January 16, 2014 6:29:44 PM

stupid question but - why are you not using the cables that came with your power supply??? it's easy, blue cable connector to blue power supply connector, and the other end of the cable to the graphics card. either 6 pins leaving the other 2 dangling, or join the 6+2 and plug together into graphics card.
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