SuperSilent Fan DC, 50x50x10mm, 12V DC, 0,07A, 0,84W, 4000RPM, 8,34CFM, less than 20dBA, Ball Bearing Fan detail Dimensions : 50x 50x 10mm Rated Voltage : 12V DC Rated Current : 0.07A Power Consumption : 0.84W Rated Speed : 4000RPM Max Air Flow : 8.34CFM Max Static Pressure : 2.11mm-H2O Noise Level : less than 20dBA Tolerance : ±10% Bearing Type : Ball Bearing Life Time : 40000Hours