SICKLEFLOW 120 motherboard small three-pin interface directly provided by the motherboard, fan power, power supply, 4PN interface, provided by the computer, fan power, power saving motherboard socket 12cm fan installation hole pitch is 10.5cm No matter how to improve the heat dissipation of the computer's hardware, the temperature in the chassis greatly affects the heat dissipation of each hardware. Sickle Flow120 fundamentally improves the working environment of the chassis. ENHANCED FAN FRAME,Enhanced frame structure, reducing turbulent flow and noise and increasing overall work efficiency. The fan is installed at the reserved of the chassis. Generally, the chassis has a of fan holes to a suitable position, and fix the fan with screws. Dimension (W / H / D) 120x120x25 mm Voltage 12VDC Current () 0.35A Input (Watt) 4.2W Speed (R.P.M.) 2000 R.P.M. Air Flow (CFM) 69.69 CFM Air pressure (mmH2O) 2.94 mmH2O Fan Noise Level (dB-A) 19 dB-A Bearing Type Sleeve Fan Life Expectancy 50,000 hours Style: No Light Material:ABS colour:Black Package Contents: 1 * 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.