CPU Socket Intel® LGA 2011/1366/1156/1155/1150/775 AMD FM2/FM1/AM3+/AM3 /AM2 Dimensions 154 x 149.8 x 166.5mm (6.1 x 5.9 x 6.6 in) Heat Sink Dimensions 154 x 140 x 153.5mm (6.1 x 5.5 x 6.0 in) Heat Sink Material Vapor Chamber / 8 Heat Pipes / Aluminum Fins Heat Sink Weight 854g (1.9lb) Heat Pipe Dimensions Ø6mm Fan Dimensions Ø 140 x 20 mm (5.5 x 0.8 inch) Fan Speed 600 - 1,600 RPM (PWM) ± 10% Fan Air Flow 28 - 82 CFM ± 10% Fan Air Pressure 0. 3 - 1.45 mmH2O ± 10% Fan Life Expectancy 160,000 hrs Noise Level 36 dBA Bearing Type POM bearing - Cooler Master 4th Gen. Bearing (*POM = Polyoxymethylene) Connector 4-Pin Rated Voltage 12 VDC Rated Current 0.31A Power Consumption 3.72W Fan Weight 110g (0.24 lb) x 2