Silent Wings 4 PWM, 9 Blade, Inaudible Airflow Fan, 1600rpm, 48.7CFM, 18.9dB, Fluid Dynamic, 4-Pin PWM. A 6-pol-motor and anti-vibration mountings combined with fan blades optimized for maximum airflow make Silent Wings 4 120mm PWM the perfect choice for the most demanding applications in high-end systems.
