Compatibility Intel LGA 1156 / 1155 / 1150 / 1151 Heatsink Material Aluminum/Copper Fan Speed 1500-2500 RPM Rated Voltage 12V Start Voltage 9.0 V Rated Current 0.09 A Power Input 1.1 W Air Flow 9.2 CFM Air Pressure 3.1 mm-H2O Acoustical Noise 13-25 dBA Life time/Fan Life time 50,000 hours Pin connect 4 pin PWM Cooling Power 70 W Item Dimension (L"xW"xH") 4 x 4 x 1 Weight 1.00 lb Warranty Information 2 YEARS