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be quiet! Silent Wings 4 Pro 120mm PWM Chassis Fan is a high-quality computer case fan designed for optimal cooling and low noise levels. Its advanced aerodynamic design helps reduce turbulence, while the 6-pole motor ensures smooth operation.

Optimised fan blades for the highest performance - Small tip clearance and a fan frame with funnel-shaped air outlets for extremely high air pressure - Very silent operation even at maximum speed - 6-pole fan motor and fluid-dynamic bearing for less vibra

Experience ultra-quiet cooling with be quiet! SILENT WINGS 4, a 140mm PWM high-speed case fan designed for superior airflow and silent operation in your PC

Experience whisper-quiet cooling with the be quiet! SILENT WINGS PRO 4, a 140mm PWM case fan offering advanced airflow & vibration reduction. Shop now for top-tier PC performance

Be quiet! Silent Wings 4 PWM 140mm High-Speed Case Fan, BL096 - Black. Experience the ultimate in silent cooling with this high-quality fan that features advanced aerodynamics for minimal noise output and optimized airflow.

Be quiet! SILENT WINGS 4 High Speed 140mm PWM Case Fan in White: Optimized fan blades for exceptional performance, high air pressure, and ultra-quiet operation. Equipped with a 6-pole fan motor and Fluid Dynamic bearing technology.

The be quiet! SILENT WINGS PRO 4 is a high-performance 120mm PWM case fan with a sleek white design.