80mm 7K RPM Server Fan - 4 Pack Speed: 500–7000 rpm, PWM controlled Static: Pressure 25 mmH2O Airflow: 70 cfm | 118.93 m³/h Bearing: Dual Ball Bearing Cable Length: 300 mm, Black Connector: 4-Pin Connector Current | Voltage: 0.5 A | 12.0 V DC Start up Voltage: 3.6 V DC...