Akasa 120mm Auto Thermal Fan Speed Control Sensor Twin Ball Bearing Long Life Case DC Axial 12cm Black AK 174BKT B

[ Superb Thermal Sensor ] - The thermal sensor automatically adjusts the fan speed to the ambient temperature and the speed can reach up to 2300RPM. [ High Performance ] - Designed to keep power consumption and noise levels at minimum and deliver high performance cooling when required. [ Long life Twin Ball Bearing ] - Dual ball bearing reduces friction between the fan and its bearings for ensuring higher service life. Fan life expectancy is up-to 50,000 hours. [ Dual Usage ] - Akasa 120mm auto thermal fan provides efficient cooling for cases and heatsinks to make it run smoothly. [ Safe Design ] -The built-in thermal probe constantly monitors ambient temperature to prevent the heatsinks or computer chassis from overheating.