?120mm Case Cooler?120 x 120 x 38 mm ( 4.7 x 4.7 x 1.5 inch ) | Rated Voltage:12V | Airflow: 238 CFM | Noise: 58 dBA | Speed: 5300 RPM | power?23.5w ?High CFM Computer Fan?4PIN; (+): Red Wire ; (-): Black Wire. FG function?Yellow Wire; PWM: Blue Wire. High air flow to enhance cooling performance and special high profile fan blades for maximum air flow ?Highly Efficient Cooling?Good for computer case, radiator and cpu heatsink cooling, server cabinet, rackmount case, refrigerator exhaust, 3d Printer enclosure, project ventilation,PC chassis and electronic equipment ?PWM Regulation?Supports intelligent speed control, automatically adjusts the fan speed according to the motherboard temperature to meet different cooling needs. There will be some noise at full speed, and the run percentage can be adjusted to balance the output ?Double Ball Bearing?This high static pressure fan with double ball bearings has a rated life of 50,000 hours and allows the fan to be mounted vertically or horizontally. The impedance-protected motor and pure copper coils provide high resistance to heat, extending the life of the unit ?Service Support?Please feel free to talk to us if you have any problems using the product or need technical support. We will reply within 24 hours