Full Details from Amazon.com : http://www.amazon.com/gp/product/B0062L8ZN0?tag=onigi-20
Zalman CPU Cooler for Intel Socket 2011/1155/1156/1366/775 and AMD Socket FM1/AM3 /AM3/AM2 /AM2
Material Pure Copper and Aluminum
Dissipation Area 9635 cm2
Fan 120mm Low Noise Blue LED Fan
Speed 850 1100 rpm - 10 w RC5 950 1200 rpm - 10 wo RC5
Noise Level 22 dBA - 10 w RC5 24 dBA - 10 wo RC5
Heat pipes 6