THERMALTAKE USA INC. CL-F110-PL14BU-B Thermaltake Pure A14 Radiator Fan (Single Fan Pack)-Blue - 5.51in Maximum Fan Diameter - 1 x Fan(s) - 696.8 gal/min Maximum Airflow - 1500 rpm - Hydraulic Bearing - 4 PIN PWM - Blue LED - Radiator - 4.6 Year Life