NZXT RF-U14PN-W1 Cooling Fan - PC, Motherboard, Radiator, Heatsink - 140 mm Maximum Fan Diameter - 1 x Fan(s) - 197.08m³/h Maximum Airflow - 2400 rpm - Magnetic Levitation, Fluid Dynamic Bearing - PWM 4-pin, 4-pin RGB, 5V RGB - RGB LED - White - Liquid Crystal Polymer, Rubber, Metal, Brushed Aluminium - 6.8 Year Life