Key Specifications/Special Features: Product Dimensions:123x154x106mm Heatsink Dimensions:154x123x58mm Heatsink Weight:518g Heat Pipe:6mm6pcs Fan Dimensions-:120x120x25mm Fan Rated Voltage:DC 12V Fan Rated Current:0.15~0.3A Fan Speed:800~2000R.P.M. Fan Air Flow:18.3~45.2CFM Fan Air Pressure:0.41~2.14mm/H2O Fan Noise:24.1~35.5dB(A) Bearing Type:Rifle Fan Life Expectancy:40,000h; Support: 775/115X/1700/1366/2011/FM1/FM2/AM2/AM2+/AM3/AM3+/AM4