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Selecting a correct PSU

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  • Power Supplies
  • Components
  • Product
Last response: in Components
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January 3, 2012 7:54:57 PM

Hello,
I am currently running a Radeon 4650 on a PCI x16 slot. I am/have been to date very happy with the card. I recently played SWTOR on a friend's machine and decided I needed to upgrade my card. I have since then bought a HIS IceQ H687Q1G2M Radeon HD 6870 . I am going to buy a new PSU but not a new machine/mobo/ect.

I will be making the purchase in the next two weeks. I am seeking a PSU that will run the new graphics card and the rest of the computer. I have an AMD Phenom 9650. I am indifferent where I buy it but would prefer someplace I have heard of before. I will not be overclocking or running SLI. I have a Pegatron M2N78-LA mobo (http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en...)...I just want to know how to choose a power supply that includes a connector for that One 4-pin ATX power connector to the left and down some of the CPU socket. What will I see in a product description that tells me it has that? Also when I look at a picture of the PSU will the cords to the 4 socket connector be the same yellow and black ones it has now? Lastly is a 4-pin ATX power connector the same regardless of who builds the PSU?

I thank you for your time.

W

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a c 1218 ) Power supply
January 3, 2012 10:22:44 PM

For a system using a single Radeon HD 6870 graphics card AMD specifies a minimum of a 500 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 24 Amps or greater and have at least two 6-pin PCI Express supplementary power connectors.

The wiring of the ATX12V/EPS12V CPU power connector is standardized. The yellow wires are +12V and the black wires are common/ground.

The power supply may have a cable with an 8-pin EPS12V connector and a cable with a 4-pin ATX12V connector or what is most common now is a cable with a (4+4)-pin ATX12V/EPS12V connector.
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January 4, 2012 12:57:55 PM

Best answer selected by Rocketboy96.
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