Originally Posted by Lfctony
With only two rails, I don't think so.. You'd need at least 4 rails, with two dedicated to the video card, 1 for the CPU and the other for peripherals etc... With only two, the video card will share one rail with the CPU and most likely overload it... I had a 600w PSU that was much better, but it had four rails at 18A each... It's going to be one close call...
Nah its ok, friend have only enermax 500W and GTX 280 and it works nicely