high airflow,high air pressure,MCU control speed RATED VOLTAGE:DC 12VDCOPERATION VOLTAGE:7-13.8VDCSTART VOLTAGE:9.0VDCCOMSUMING CURRENT:0.45A(MAX0.6A)COMSUMING POWER:5.4W (MAX 7.2W)RATED SPEED:4600+-10% RPM(FRONT FAN)MAXIMUM AIR FLOW:52.0CFM(MIN 45.1CFM)MAXIMUM STATIC PRESSURE:9.8 mm H2OACOUSTIC NOISE:44.5dBALIFE EXPECTANCE:50,000 HOURS AT 40C 6038 server cooling fan