Model : BFB1012VH Dimensions : 97 * 94 * 33mm ( diameter 94mm length 97mm, screw on the outlet hole spacing 120mm thickness 33mm) Voltage : DC 12V Voltage Range : 7.0-12.6V Current : 1.80A Power : 21.6W Speed : 5300RPM Wind : 46CFM Pressure : 2.814 InchH2O Noise : 64d-BA Features: supports speed function, PWM speed control function intelligent Interface: 4-wire DELL PE860 R200 server cooling FeatureMaintenance-free double ball bearing , long life, With sufficient cooling air flow and wind.