PartsCollection Delta 120MM High Speed / Low Noise computer Fan with Speed Control Function Delta AUB1212H PWM Function Dimensions: 120 x 120 x 25 MM Voltage: DC 12V; Operating Voltage: DC 10.8V ~ 13.2V; Input Power: 3.244W, (Max. 4.68W) Speed: 2200 RPM; Air Flow: 88.60 CFM, (2.51 m /min); Noise: 38 dBA Tach & PWM; Connector: 4-Wire / 8-Inch Wire