CoolerMaster Active Heatsink with 70mm fan for Sockets 754/939/940

Specifications:

CPU Type: AMD Athlon64, AMD Athlon X2 (Dual Core), AMD Opteron (Dual Core)

Supported CPU Frequency: Athlon64 up to 2.6 FSB 2000/1800 MHz, Athlon64 X2 up to 2.4 FSB 2000 MHz, Opteron up to 2.4.

Socket Type: 754/939/940

Heat Sink: Copper Base + Skived Fin

Cooler Dimensions: 98 x 74 x 26mm

Fastener: Screw & Spring

Fan Dimension: 70 x 70 x 15mm

Fan Speed: 5400rpm

Fan Airflow: 8.9cfm

Fan Bearing Type: Dual Ball Bearing

Voltage Rating: 12 V

Noise Level: 40 dBa

Connector: 4 pin with PWM function

Thermal Resistence: Athlon64: 0.23 °C/W at 27 CFM. Athlon64: 0.23 °C/W at 27 CFM. Opteron: 0.27°C/W at 27 CFM. Santa Rosa: 0.24 °C/W at 27 CFM.