Corsair CO-9050048-WW PRO LED Blue 140mm Premium Magnetic Levitation Fan, Fan Size 140mm x 25mm, Airflow 20-97 CFM, Sound Level 16-37 dBA, Static Pressure 0.2-3.0 mmH20, Speed 400-2000 RPM, PWM Control, Flow Type Static Pressure. Corsair ML Series of fans magnetic levitation technology and custom engineered rotors provide unrivaled performance and low noise. To its innovative design, the ML Series fans delivers both high static pressure.