HEC Silent OP 475W Power Supply
 

The HEC Silent OP is not a fancy looking power supply; however, it offers almost 500 watts of power at an affordable price. Bottom line - power is what's most important. Two fans, 90mm and 80mm, provide plenty of cooling. These fans, coupled with the Auto Temperature Detection System, equal a quiet product. Today's computer systems can demand a lot from a power supply. This one can handle it. Watch the Video to find out more...

http://www.3dgameman.com/vr/hec/475w...eo_review.html