be quiet! Silent Wings Pro 4 140mm PWM High Speed Fan
4-pin PWM 140mm cooling fan with high-speed capability up to 2400 rpm. Optimized blades and funnel outlet for high air pressure and smooth operation. Users praise quiet performance and build quality, with some noting the manual speed setting feature
Highlights
- up to 2400 rpm
- low vibration bearing
- optimized blades for radiators/heatsinks
Pros
- high air pressure design
- low noise operation at regular speed
- manual speed switch option
- smooth operation with fluid-dynamic bearing
- durable build quality
Cons
- price perception by customers
- mixed durability feedback
Best For
Features
- Optimized fan blades for high performance on radiators and heatsinks
- PWM speed control with adjustable max speeds: medium, high, ultra-high (up to 2400 rpm)
- Small tip clearance and a funnel-shaped air outlet for high air pressure
- Low noise operation at regular speed with minimal vibration
- 6-pole motor with fluid-dynamic bearing for smooth, quiet performance
