The standard 120mm computer case fan, compatible with the different types of chassis. High-performance fan for the CPU heatsink and water cooling system. .The design is user friendly interface: a 3pin 4pin two interface design, compatible with any motherboard, power supply plug or other devices. .Super Silent PC Heat Sink: all copper motor and rugged. hydraulic press bearings with self-lubricating antifriction material, reduce operating noise, improve efficiency, and run the noise less than 25 decibels. .High-speed and high-brightness LED design, easy to install and improve airflow to maximize airflow for High capacity cooling, let your PC more durable. .The quality assurance: If you have any questions, please contact us. The quality of our products, and will do our utmost to quickly and efficiently resolve your issue. .