CPU cooling fan Product Ttype Case fan Fan Speed:1100±10%RPM Fan Airflow: 55.13CFM Fan Noise Level (dB-A): 18dBA Bearing"Hydraulic bearing Interface: 3Pin / Mole ×4Pin Packaging with box and screws Functions and features 1.Balanced air flow and air pressure design maximizes heat reduction to keep your system cool and running smoothly. 2.Enhanced Fan Frame: Enhanced frame structure, reducing turbulent flow noise increase efficiency. 3.High quality led lamp beads which can effectively reduce the LED exhaustion and keep the light in the best bright state for a long time. Note: no LED light