SuperSilent Fan DC, 50x50x15mm, 12V DC, 0,10A, 1,20W, 4000RPM, 10,77CFM, less than 27dBA, Ball Bearing Fan detail Dimensions : 50x 50x 15mm Rated Voltage : 12V DC Rated Current : 0.10A Power Consumption : 1.20W Rated Speed : 4000RPM Max Air Flow : 10.77CFM Max Static Pressure : 2.49mm-H2O Noise Level : less than 27dBA Tolerance : ±10% Bearing Type : One Ball Bearing Life Time : 40000Hours