Arctic Cooling F9 Cooling Fan - 3.62" Maximum Fan Diameter - 1 x Fan(s) - 321.7 gal/min Maximum Airflow - 1800 rpm - Dual Ball Bearing

Dedicated to operate 24 hours a day, 7 days per week, the F PWM CO series case fans cool your computer system quietly. The fan forwards the PWM signal from the CPU to the whole case ventilation system. Employing a Japanese dual ball bearing, the fan operates with reduced friction and hence its lifespan is substantially extended. The series offers you with superb performance while maintaining your computer systems under optimal temperature at all times.