ARCTIC S4028-15K 5 Pack - 40x40x28 mm Server Fans 140015000 RPM PWM Regulated 4-pin Connector 12 V DC Rack Cooling Fan - Bla

TheS4028-15K's impeller is held in place by two ball bearings, making it both particularly durable and less sensitive to external influences like heat and dust The S4028-15K has a particularly wide speed range that can be regulated via PWM and voltage. With its 15000 max RPM it is one of the strongest 12 V fans with a 40 mm diameter With a static p... moreressure of 26.5 mm/H2O and a maximum airflow of 32.67 m³/h, the S4028-15K is a true all-rounder and is suitable as both a radiator and case fan The S4