Graphics card and PSU help needed!

strungout34 · Oct 21, 2014

I am building a new system, and I am keeping my previous graphics card. If it matters, it is an ATI Radeon HD 7950 2GB and the power connector on the card is 6 + 6. Looking through all the cables with my new power supply, there is only a 6 + 2....I have search some on various sites and cannot find a PSU with a cable that is 6 + 6 for a PCI-E. Do I need to find a power supply with a
6 +6?

Darkbreeze · Oct 21, 2014

PCPartPicker part list / Price breakdown by merchant

Power Supply: XFX TS 550W 80+ Bronze Certified ATX Power Supply ($62.98 @ Newegg)
Total: $62.98
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-10-21 00:17 EDT-0400

Darkbreeze · Oct 21, 2014

This, and most ATX PSUs, has a 6 pin PCI and a 6+2 pin PCI power plug. Yours may be a cheap model, no offense, it's quite common, that is simply not intended for a higher end card, more likely for an entry level pre-built unit or included with a budget case.

clutchc · Oct 21, 2014

Generally speaking, yes. If your PSU only has a single 6 or 6+2 pin connector, it probably isn't designed for providing the watts/amps that the card needs along with the rest of the system.

strungout34 · Oct 21, 2014

Probably correct, it is only a 430 watt supply. So if I buy a better quality unit, will it have more connectors than a 6 and a 6+2 connector? I cannot seem to find any on newegg.

clutchc · Oct 21, 2014

strungout34 :

What's wrong with the one Darkbreeze linked you to?

strungout34 · Oct 21, 2014

I looked at the unit on pcpartspicker and the XFX website, and it says that comes with a 6 pin and a 6+2 pin....that wont work with my card, correct?

strungout34 · Oct 21, 2014

The unit I have now is a Corsair CX430M, which I know has a 6+2, not sure if there is a 6....so is it basically the same except for wattage as the XFX he suggested?

Darkbreeze · Oct 21, 2014

No, the Corsair CX430M only has one PCI connector. The one I linked to has two. The 6 and 6+2 will satisfy your power needs, like I said. You can remove the additional two pins on the end. They are there for units that need an 8 pin connector but if you need 2 6 pins you can remove the two end pins. They should just snap right off. They are made to do that so they don't have to add a bunch of extra cables or have more model numbers with different configurations.

strungout34 · Oct 21, 2014

Oh, so I will use both the 6 and the 6+2 but not attach the 2....ok, I get it. I had a Silverstar 500W and that was working fine but I have to give it to my son for his graphics card. On the Silverstar, the 6 and the 6+2 were braided together and plugged into the same socket on the PSU. Will the XFX be like that?

Darkbreeze · Oct 21, 2014

Probably not. They will be separate cables so that if your setup only needs one it isn't in the way. This XFX unit is one of the best you can buy, especially at the price.

Darkbreeze · Oct 21, 2014

You can see the images here and if you look on the left side of the image you'll see the two PCI plugs.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=

strungout34 · Oct 21, 2014

Right on. I appreciate your help, returning this psu and getting another one is a hell of a lot cheaper than a new graphics card.

Darkbreeze · Oct 21, 2014

Can't argue with that. Good luck and you know where to find us if you need further help.

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