The Chill Innovation CP-510A Power Supply has 510 watts and all the leads are sleeved. While this Power Supply certainly has ample wattage, the performance is a little low for this class of product. Also note, a 20-24 pin adapter is not included. One big selling point for this unit is the virtually silent 120mm fan spinning at 700-1,000 RPM. Watch the Video to find out more...