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).