It's very easy to do the calculations to properly determine exactly what PSU power in watts and 12v rail current is required for your current or future PC build. No guessing is required. You can also determine what PSUs are quality PSUs as not all model from suppliers like Corsair, Antec, Rosewill, etc. are quality PSUs.http://www.tomshardware.com/forum/314712-28-please-read-determine-power-required
KNOWLEDGE IS POWER SO NOW IS THE TIME TO LEARN HOW EASY IT IS TO CALCULATE PSU REQUIREMENTS !