Fan Dimension 120 X (W)120 X (H)25 mm Rated Voltage DC 12V (LED 5V) Fan Speed 800±200 (30%DUTY) ~ 1900 RPM±10% Max. Air Pressure 2.6mmH2O Max. Air Flow 69.17CFM Acoustical Noise 32.0dB(A) Power connector 4-Pin Bearing Type Fluid Dynamic Bearing (FDB)