SpecificationsMfr Part Number: NBT-CMAK87B-CProcessors Supported: ALL AMD K8 Sempron Series & Athlon 64 Series upto 3800+Socket support Socket AM2/ 940/ 939/ 754Bearing: 1x Ball & 1x sleeveFan Speed: 2500 rpmAir Flow Rate: 30.0 CFMWind Pressure: 2.6 mmapRating Current: 0.1 AAcoustical Noise: 23.0 dBARating Voltage(V): 12Fan Dimensions (WxDxH): 80 x 80 x 25 mmHeat Sink Dimensions (WxDxH): 78 x 80 x 42 mmWeight: 380 g