"The Mach 1 line of power supplies are currently available in wattages ranging from; 520 to 1220. I'll be reviewing the Kingwin Mach 1 1220W Power Supply which has more than enough power, even for hardcore computer systems. This PSU performs very well, has a unique modular design, and a quiet blue LED 140mm fan. It's just what the doctor ordered for a hardcore multiple video card setup! Watch the video to find out more..." ~http://www.3dGameMan.com