Ainex Copper Shaft FDB Case Quiet and PWM 2800 RPM BA-CF120AMBA02 Fan, 120mm, Durable, Type,

Rotation speed: 400 to 2800 ±10% rpm (fan will stop at 0 to 5% rotation speed setting) Maximum airflow: 73.43CFM, Maximum static pressure: 4.24mmH2O, Maximum noise level: 39.11dB(A) Size: 120 x 120 x 25 mm (26 mm thick including anti-vibration pad), no ribs Expected life: 50,000h (25℃), Bearing: FDB fluid dynamic bearing PWM 4-pin, with rotation detection pulse sensor, approx. 42cm, accessories: 4 tapered screws for fixing