Fan Dimensions 120 x 120 x 25mm   Speed (RPM) 500-1500 ± 150 rpm   Max Airflow 50 CFM   Acoustical Noise 27 dB (A)   Static Pressure 0.96 mm H2O   Rate Voltage DC 12V   Operating Voltage Range 4-13 V   MTBF >40000 h   Fan Connector 4 pins   Cable Length 550mm