Suitable for computer case and power supply cooling Large AirflowHigh quality 80 mm black material fan. Silent OperationLow RPM for quiet operations. Application For Computer case cooling. Power supply cooling. Technical Spec Overall Dimension 80X80X25mm Fan Dimension 80X80X25mm Net Weight 82g Bearing Type Hydro Bearing Rated Voltage 12VDC Operating Voltage 10.8～13.2VDC Started Voltage 7VDC Rated Current 0.08±10%A Power Input 0.96W Fan Speed 1800±10%RPM Max. Air Flow 21.8CFM Noise 20.3dB(A)