Model: PIA040H12PSize: 40X40X28MMBearing: High Precision Double Ball BearingVoltage: 12VCurrent: 0.81A High Speed Violent-High Volume Heat Dissipating FanSpeed: 18000 RPMNoise: 55.00dB (A)Air volume: 24.03 CFMMaintain optimal continuous running time of 10.0000 hoursFan interface: 3-wire motherboard 3PIN interfaceAdditional Functions: Supporting Speed Measurement - Supporting PWM Intelligent Temperature Control and Speed Control FunctionFeatures: Maintenance- double ball bearings, long service life, with adequate cooling air volume and air pressure.Applicability: chassis heat dissipation, CPU radiator, power fan modification, water cooling heat dissipation assistance, game machine heat dissipation, high reliable server application site