Zalman CPU Cooler for Intel Socket 1155/1156/1366/775 and AMD Socket FM1/AM3+/AM3/AM2+/AM2 CNPS8000B Material: Fins - Aluminum, Base - Copper Dissipation Area: 2872 cm2 Heatpipes: 4 'c' Shaped Heatpipes Speed: 1,400 ~ 2,800rpm +/- 10% Noise Level: 20 ~ 32dBA +/- 10% Fan: 3 Pin 92mm PWM Fan