Dimensions Heat sink : 80�80�43 mm 12VDC Fan : 80�80�25mm Bearing Sleeve bearing Rated speed 2700 RPM +/-10% Rated power 2.04 W Noise level 22.0 dBA Air flow 34.46 CFM at 2,700 RPM Current 0.17 A Life hours Sleeve: 30.000 Features 6 prong tool-less clip, Copper base, Inverted Spider-Fan Connector 3pin, mainboard Application AMD : Athlon 64 upto 4000+ (K8) Athlon 64 FX-51 (K8) Athlon 64 FX-53 (K8) Opteron upto 850 (K8) Sempron upto 3100+ (K8) Thermal resistance 0.345 �C/W Thermal type White grease pre-applied