The Lian Li UNI FAN SL Wireless LCD 120 ARGB 3-Pack in Black features a Fluid Dynamic Bearing and PBT material construction. With a maximum airflow volume of 50.08 CFM, these fans have a 120mm diameter and operate at a maximum fan speed of 1900 RPM. The clear fan light color and 4-Pin power connection provide a sleek and efficient cooling solution for computer setups. Made by Lian Li, a trusted brand in computer components, these fans are sure to enhance the performance and aesthetics of any system.