Model : PMD1204PQBX-A (2) .FSize:40x40x28mm (4028)Bearing:Dual BallRated voltage:12V 3 wireOperating Voltage:4V-13VElectric current:6.8WSpeed:16000rpmAir volume : 24.9 CFMPressure : 1.95inch-H2ONoise : 56d-BASustainable running time of 100,000 hoursWeight : 42gConnector:Standard three -pin motherboard