Product Name : Computer Cooling Fan;Rated Voltage : DC 12V;Operating Voltage : 10.8-13.2VDC;Starting Voltage : 7VDCRated Current : 0.12+/-10%A;Input Power : 1.44W;Fan Speed : 3000+/-10%RPM;Air Flow : 32CFMNoise : 23.85dBA;Bearing Type : Hydro Bearing;External Material : Plastic;Color : BlackConnector : 4 Pins Connector;Size : 70 x 70 x 15mm / 2.8 Inch x 2.8 Inch x 0.6 Inch (L*W*H);Cable Length : 20cm / 7.9 Inch ;Mounted Hole Diameter : 4.5mm/0.2 inchMounted Hole Center Distance : 61 x 61mm/2.4 inch x 2.4 inch(L*W);Weight : 47g;Cooling fan for desktop computer case and CPU Cooler, keeps computer working well.4pin connector , Support PWM speed controll,Help push the hot air out of your computer when mounted on the back or draw in fresh air if you mount it at the front of the case.Package Content : 4 x Computer Cooling FanOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.