Thermaltake Riing Quad Cooling Fan - 3 Pack - 4.72in Maximum Fan Diameter - 3 x Fan(s) - 306 gal/min Maximum Airflow - 1500 rpm - Hydraulic Bearing - RGB LED - Black - 3 pc(s) - Radiator, Chassis - 4.6 Year Life

Hydraulic Bearing fan bearing type for maximum cooling/heating efficiency with added dependability Colorful rgb LEDs add an ultra-modern style Fully compatible with standard radiators Well designed blades and shroud let the air flow over a greater area to enable effective cooling