R4 series fans offer a unity of maximum rotational speed and optimum airflow. Using a unique long-life sleeve bearing fan, the R4 series offers long life rating of 50,000 hours. R4 series fans perform at a maximum of 69CFM at 2000RPM. They also feature light-brown transparent fan blades for better LED effect.
The COOLER MASTER R4-L2R-20AC-GP case fan delivers up to 69CFM of air flow to efficiently and effectively dissipate the heat generated inside the chassis.
This fan runs at 2000 R.P.M. and produces mere 19 dB-A noise level bringing peace of mind to you and your co-workers.
Constructed to Last
The high quality sleeve bearing fan provides maximum of 50,000 hours of lifespan for worry-free long term use.