Block Compatibility: Intel Socket: LGA 2011/1366/1155/1156 AMD Socket: FM1/AM3+/AM3/AM2+AM2 Type: Liquid Cooling System Block Material: Fins: Aluminum / Base: Copper Radiator Dimensions: 153(L) x 120(W) x 38(H)mm Radiator Fan Dimensions: PWM 120mm Radiator Fan RPM: 900 ~ 2000 +/- 10% Radiator Fan Noise: 17 ~ 36 dBA +/- 10% Features: Fan Bearing: Long life bearing PWM Duty Cycle: 30 ~ 100 +/- 5% Connector: 4-Pin(Fan), 3-Pin(Pump) Rated Voltage: 12V Weight (Waterblock): 195g Easy Installation & Maintenance Built-in Pump within Water Block Micro Fins made of pure copper within the water block provide excellent heat transfer Durable and Long-Lasting Tubes Slim Water Block Design.