Designed for Silent enthusiasts GELID Silent case fans provide additional airflow without increasing noise levels and at affordable prices. Precisely balanced fan blades and long life Hydro Dynamic bearing guarantee ultra low noise.*INCLUDED:4 ScrewsAir Flow (CFM/CMH):19.8 / 33.66Bearing:Hydro Dynamic BearingCable Length (mm):450Connector:3 Pin MolexCurrent (A):0.15DC Voltage (V)::12Dimensions (mm):70 x 70 x 15Fan Speed (+/- 10% ) (RPM):2200Noise Level (dBA):21.8Safety Approvals:CE, RoHS CompliantStatic Pressure (mmAq):2