Compatibility: AMD Athlon 64 X2 (Socket 939, AM2), AMD Athlon 64 FX (Socket 939, AM2), AMD Athlon 64 (Socket 754, 939, AM2), AMD Sempron (Socket 754, AM2) Dimension: 102(L) x 102(W) x 94(H)mm Heatsink Material: Aluminum extrusion Fan Dimension: 92(L) x 92(W) x 32(H)mm Rated Voltage: 12 V Fan Speed: 2000RPM Max. Air Flow: 28.11 CFM Noise Level: 16 dBA Life Expectation: 50,000 Hours Connector: 3-Pin Weight: 480g