I'm just a tad new to the 'build it yourself PC' scene, and I'm a bit confused as to how to power my dual 8800 GTs.
EVGA's website recommends 22Amps on the +12 volt rail, or 24 in sli mode. Is that total, or each card in SLI mode?
Also, how do rails work? I can't find almost any PSU that has more than 20A's in any single +12V rail, how am I going to power both cards without dropping a lot of money.
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The amps is for the whole system, not just the cards. They are looking for the 24amps on the combined +12v rails. Usually there is a sticker on the PSU that lists watts and amps to each rail. If you find the watts supplied to the +12v rail, divide that by 12 to get your amp rating. What PSUs are you looking at?
I would say get this one. I have this one and am very satisfied and impressed. Good price, great company, plenty of power to cover you for the next 5 years of upgrades, and plenty of rails and options and I bet you will never run out.