1、Superior Ventilation: Higher airflow for improved cooling performance and special high contour fan blades for maximum airflow. 2、Parameters: Size: 120x120mm, rated voltage: 12V, rated current: 3A; speed: 4000 RPM. This model is designed to maximize airflow. 3、Applicability: High airflow static pressure fan designed for projects requiring cooling or ventilation; or as a replacement fan for various products such as cases, gaming PC and mining machines, server CPU cases, chassis. 4、FG Signal: 4 pin power connector; wires are 12 V power (red), ground (black) and FG signal or measured speed (yellow). 5、Wide Range Of Applications: 120 MM case fan for cooling small PC cases, camera servers, power supplies, inverters, automotive amplifiers and other electronic equipment and components. 1 x Fan4 x Screw Item Type: Case Cooling FanMaterial: ABSColor: BlackScope Of Application: Computer Cases, Mining Rigs, CPU, Etc.Rotational Speed: 4000rpmSize: Approx.120 x 120mm / 4.7 x 4.7in