Originally Posted by johnspack
Now deciding whether to order a 2nd 480 next week. I really want one, but even at stock clocks I'll be pushing my psu. And they won't put the things back on sale, so I have to pay 270can.. after 135 for cable that leaves 75 bucks to live on for a month! Time to sell some cards....
Your PSU will hold unless you overvolt your cards; if you want to run benchmarks on two GTX 480's you're going to need a bigger PSU. I've seen my system pulling 1100w off the wall with both cards overvolted, but at that time I had Phenom II cpu's.