My PSU "claims" to be 400watts, it was a cheapy though so I still dont rule it out. The label reads +3.3v 26A, +5v 30A, +12v 12A, and -5v 0.5A, -12v 0.8A and 5sb 2A. The easy tune 4 software works when it feels like it, mostly it doesn't, easytune 5 doesn't work at all and the nvidia ntune only...