The Lian Li UNI FAN SL-INF 140 RGB 140mm Case Fan in black is a high-quality computer case fan designed for maximum airflow and cooling performance. With a fan diameter of 140mm and a fluid bearing type, this fan can achieve a maximum fan speed of 1600 RPM and a maximum airflow volume of 72 CFM. It features a 4-pin power connection and operates at a voltage of 6V, making it compatible with various computer case brands for universal use. Perfect for enhancing the cooling efficiency of your computer system, this Lian Li fan combines reliability with stylish design.