Thermaltake Pure A14 Radiator Fan (Single Fan Pack)-Blue - 5.51in Maximum Fan Diameter - 696.8 gal/min Maximum Airflow - 1500 rpm - 32 dB(A) Noise - Hydraulic Bearing - 4 PIN PWM - Blue LED - Radiator - 4.6 Year Life

Colorful blue LEDs add an ultra-modern style The competent cooling system is specially designed for standard radiators Heavy-duty fan shroud ensures safe operation Features hydraulic bearing to improve longevity, silence, and stability