The BioniX F140 features the best airflow-to-noise ratio. The extremely quiet 3-phase motor ensures long gaming sessions without disruptive sounds. The BioniX F140 is equipped with PWM to adjust the fan speed as needed within a wide range of 200 to 1,800 RPM. The optimized blade design guarantees high air pressure and good ventilation for your gaming case, achieving stronger airflow with less noise. With the low coil temperature 3-phase motor, the lifespan is quadrupled, and the warranty is extended to 10 years.