MasterLiquid Pro 280 All-In-One CPU Liquid Cooler with FlowOp Technology by Cooler Master Type: Liquid Cooling System Block Compatibility: Intel LGA 2011-v3/2011/1151/1150/ 1155/1156/1366/775 socket AMD AM3+/AM3/AM2+/AM2/ FM2+/FM2 /FM1 socket Pump Noise: 12 dBA (max) Radiator Dim.: 311.00 x 138.00 x 27.00mm Radiator Material: Aluminum Fan Size: 2 x 140mm Fan Dim.: 140.00 x 140.00 x 25.00mm Fan RPM: 650 - 2200 RPM (PWM) +/- 10%