How is the performance of these fans compared to standard ones?

The Silent Wings Pro 4 140mm PWM White fans are designed with altered blade arrangements and reduced distance between blades and frame, enabling exceptional air pressure and performance for demanding applications compared to standard fans.

Can these fans be used as replacements for default AIO fans?

Yes, these fans can be used as replacements for default AIO fans.

Questions & Answers: be quiet! SILENT WINGS PRO 4 - 140mm PWM White

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be quiet! SILENT WINGS PRO 4 - 140mm PWM White

Optimized fan blades for the highest performance on radiators and heat sinks
Speed switch allows changing maximum PWM speed between medium-speed, high-speed and ultra-high-speed (up to 2400 rpm)
Small tip clearance and a fan frame with a funnel-shaped air outlet for extremely high air pressure
Virtually inaudible operation at regular speed
6-pole fan motor and fluid-dynamic bearing for less vibration and very smooth operations
Individual mounting systems for use as a case fan or with a radiator
5-year manufacturer warranty

$32^.90 –