Dimensions: 140 x 140 x 25mm (l x w x h) Bearing: Sleeve bearing Rated Voltage: 12VDC Rated speed: 1,500 RPM +/-10% Rated power: 3.12 W Noise level: 24.7 dBA Air flow: 57.12 CFM at 1,500 RPM Current: 0.26 A Connector: 3-pin mainboard and 4-pin power supply Life hours: 30,000 hours Application: Power supply fan, second case fan or other purpose