Antec Performance Max CPU COOLER Designed for Intel socket 775 and AMD socket AM2, AM2+ & AM3 processors, the Performance Max CPU Cooler is compatible with many Intel and AMD models. 92mm blue LED PWM (pulse width modulation) fan for ultra-quiet operation Copper based heatsink for maximum heat conduction Nickel-plated aluminum fins w/ embedded 3 heatpipes for optimal heat Screw-on retention bracket for a secure, sturdy mount, backplate & Antec Thermal Grease included