Temperature control version: 4-wire fan intelligently adjust the fan speed according to the current CPU temperature, which can save energy, be silent and extend life! (The motherboard needs to support and turn on the PWM speed control function, which is basically available on all motherboards) 4Pin speed: 800-2000 RPM10% Maximum air volume: 60CFM Maximum noise: 25dBA Fan life: 50,000 hours Fan bearing: hydraulic Fan interface: 4Pin (4-wire temperature control) Rated voltage: 12V DC 4Pin current: 0.1A without light, 0.2A with light 10% 4Pin power: 1W without light With light 2.5W 10% Fan cable length: 30CM 10% Colour:As Shown Material:Copper + Aluminum Package Contents: 1 x Air Cooling Radiator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.