Type: Fan & Heatsinks RPM: 1000~2200 RPM Air Flow: 89.45 CFM (Max.) Noise Level: 28 dBA (Max.) Power Connector: 4 Pin with PWM Heatsink Material: Base Material H.D.T. (Heat-pipes Direct Touch) Fin Material Aluminum Alloy Compatibility: Intel Socket LGA 775 / 1156 / 1366 AMD Socket 754 / 939 / 940 / AM2 / AM2+ / AM3 Fan Dimensions: 120 x 120 x 50 mm