Size:40x40x28mmModel : 109P0412G3013Bearings :Dual BallVoltage:12VCurrent:0.35ASpeed:5000RMPAir volume :16.3CFMNoise:40dBA (MAX)Interface:Motherboard 3PStand by:VelocimetryApplication:Cooling the chassis , the heat of transmation of the server CPU and other heat-radiating