Optimum Cooling Efficiency & Extremely Silent Performance Nine Diversion Groove Blade Design Aero-Dynamical Design Hyper-Spin Bearing For Longer Life Expectancy Model CF-T12S4 (CF-T12S x 4) Marketing name TURBINE 120 Dimensions 120 x 120 x 25 Speed 1200 Air flow @ 12V (CFM, m3/h) 60.4 / 102.6 Air pressure @ 12V (mm H2O) 1.73 Noise 17.7dB Bearing type Hyper-spin Connector 3pin Cable length 300 Accessories 3 to 4pin adapter Screws Carton Color box Package Includes Cougar Turbine CFT12S4 Hyper Spin 1200RPM 120mm 3-pin Fan 4-pack