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Geforce 8600 Video Card Power Requirements

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#1 qtaqq


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Posted 07 May 2007 - 01:50 AM

I just bought a eVga GeForce 8600 GT video card. It says on the box minimum system requirements, +22 amps on the 12V rail. I was wondering if that means I need to have a single rail with 22 amps or if you can combine the rails. For instance this power supply, http://www.newegg.com/Product/ShowImage.as...f230+V+-+Retail, shows on the label +12V1 at 14A and +12V2 at 15A. Now are these two seperate rails, the highest being 15 amps, or are they combined? So the 12volt rail puts out 29 amps?

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#2 Mr Alpha

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Posted 07 May 2007 - 04:59 AM

What you want to look at is the 348W, which is the combined output of the 12V rails. 348W/12V=29A. So yes you have 29 A to deal with. You need to be careful because often the combined output is less than what you get if you just add them together.

I reccommend getting a high-qulaity power supply from one of these makers: CoolerMaster, Enermax, Fortron Source (FSP Group), OCZ, PC Power & Cooling, SeaSonic, Silverstone, Sparkle, Tagan, Vantec, Verax or Zalman.

Another thing good to know is that the 22 A is an estimated requirement. The card itself doesn't eat 22 A of the 12 V rail, but there are a bunch of other stuff in the computer which also uses 12 V power so they guesstimated how much power all this stuff would need.
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