SPECIFICATIONS Model Number: F120A Fan Size: 120x120x25mm Fan Speed: 800-1500RPM Bearing: hydraulic bearing Power Interface: 4 Pin Fan Type: 4 Pin PWM Fan Voltage: 12V DC Current: 0.23A10% Power: 2-4W Air Volume: 45CFM(MAX) Noise: 15-25dBA10% Life: 50000 hrs The cable length is 400mm. Characteristic Aircraft propeller blade design. Large air volume output. Used for Suitable for 120mm chassis fan installation or replacement of radiator fan. 4Pin PWM function introduction: The fan can be automatically controlled by the motherboard to adjust the fan speed in time according to the computer temperature. Support automatic speed regulation. Accelerate heat dissipation at high temperatures. Decelerate operation at low temperature. Slow down the wear of fan bearings. Fan version introduction No light 4 Pin PWMThe fan does not have LED lights. No lighting. Power interface:Motherboard 4Pin PWM. Auto RGB 4Pin PWMRainbow RGB The lights can automatically change multiple color modes. (not manually adjustable) Power interface:Motherboard 4Pin PWM.(RGB does not need a separate power supply.) ARGB 4Pin PWM 5V 3PinWith 5V-3Pin RGB connector. Synchronizable RGB lighting via motherboard, Sync ready with all 5V 3PIN motherboard including Gigabytes, Asus, MSI and so on. Instructions for using multiple fans: 5V 3Pin male and female dual-head interfaces that come with the fan. Can support the series connection between the fan and the fan. It is recommended that the number of fans in series should not exceed 10. Please note: (Please make sure your motherboard supports 5V-3Pin RGB connector. Otherwise it will not be available.) Power interface:Motherboard 4Pin PWM+5V-3Pin. Package Contents: Fanscolorful package Fixing screw*4 Characteristic Aircraft propeller blade design. Large air volume output.