Model No. SST-HE01 Material Nickel-coated copper base, heat pipes with aluminum fins Application Intel Socket LGA775/1155/1156/1366/2011 AMD Socket AM2/AM3/FM1/FM2 Heat Pipe Type Ø6mm-6pcs heat-pipe Cooling System 140 x 140 x 38mm fan Noise 18~41 dBA Bearing Dual Ball Bearing Net Weight 926g(w/o Fan) Voltage Rating (V) 12V Start Voltage (V) 9V Air Flow (CFM) 42.8~171CFM Speed (R.P.M.) Low : 500~1200RPM with PWM High : 500~2000RPM with PWM Life Expectance (hrs) 80,000 hrs Dimensions 140 (W) x 119(D) x 160(H) mm (w/o Fan)