What features contribute to the silent operation of the be quiet! SILENT WINGS PRO 4?

The fan features a 6-pole fan motor and fluid-dynamic bearing, which reduce vibrations and support virtually inaudible operation, reaching a noise level of 36.9 dBA at max RPM.

What is the maximum RPM of the be quiet! SILENT WINGS PRO 4 fan?

The maximum RPM of the be quiet! SILENT WINGS PRO 4 fan is 3000 RPM.

Questions & Answers: be quiet! SILENT WINGS PRO 4 -120mm PWM White

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Item#: 1YF-001D-000S4
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be quiet! SILENT WINGS PRO 4 -120mm 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 3000 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

$37^.90 –