Brand ARCTIC , Model ACFAN00247A Fan Speed: 150 - 1800 rpm, Airflow: 43 CFM/ 73.1 m³/h, Static Pressure: 1.35 mm H2O, Noise Level: 0.4 Sone, Operating Ambient Temperature: 0 - 40 °C, Fan Frame: Standard, Control Type: PWM PST, Connector: 4-Pin-Connector + 4-Pin-Socket, Fan Bearing: Fluid Dynamic Bearing, Electric Characteristics: Typical Voltage: 12 V DC, Starting Voltage: 8.5 V, Current/ Voltage: 0.15 A / 12 V, Cable Lenght: 400 mm,