Feature: 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: 1.3A; 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. Specification: Item Type: Case Cooling Fan Material: ABS Color: Black Scope Of Application: Computer Cases, Mining Rigs, CPU, Etc. Rotational Speed: 4000rpm Size: Approx.120 x 120mm / 4.7 x 4.7in. Package List: 1 x Fan4 x Screw