be quiet! Silent Wings Pro 4 120mm PWM fan
20-30mm 4-pin PWM case fan with high airflow and low noise. Delivers stable performance on radiators and heat sinks; praised for quiet operation and solid build quality
Highlights
- up to 3000 rpm for high performance
- fluid-dynamic bearing for smooth operation
- funnel-shaped air outlet for high pressure
Pros
- low-noise operation
- high air pressure and flow
- stable PWM speed options
- robust build quality
- effective cooling performance
Cons
- mixed value-for-money perception
Best For
Features
- Optimized fan blades for high performance on radiators and heatsinks
- PWM speed control with medium, high, and ultra-high ranges up to 3000 rpm
- Small tip clearance and a funnel-shaped air outlet to increase air pressure
- Low vibration operation with 6-pole motor and fluid-dynamic bearing
- Quiet operation at regular speed with smooth, stable performance
