be quiet! SILENT WINGS 4 - 140mm PWM high-speed White

The be quiet! Silent Wings 4 140mm PWM high-speed White is a premium non-illuminated case fan engineered for exceptional performance and minimal noise in demanding applications, featuring optimized fan blades with small tip clearance and a funnel-shaped frame that generates extraordinary static pressure up to 2.36 mmH₂O for superior cooling on radiators, heatsinks, or restrictive case meshes. Reaching a maximum speed of 1900 RPM via 4-pin PWM control, it delivers strong airflow of 78.4 CFM while excelling in high-resistance scenarios without compromising acoustic refinement.



A 6-pole, 3-phase motor combined with an advanced fluid-dynamic bearing (FDB) ensures reduced vibrations, low power consumption, and an extended lifespan of up to 300,000 hours, contributing to a remarkably quiet profile of just 29.3 dB(A) at full speed. Pre-installed anti-vibration mounts minimize resonance, with included plastic corner mounts providing secure radiator installation for virtually inaudible operation at moderate loads.

The all-white design with high-grade fan sticker and clean blade geometry enhances aesthetic integration in light-themed builds, offering a sophisticated, distraction-free appearance ideal for showcase systems. Versatile mounting options and broad compatibility make it suitable for intake, exhaust, or pressure-optimized roles.

Balancing elite thermal efficiency, signature be quiet! silence, and durable construction in a striking white finish, the Silent Wings 4 140mm PWM high-speed White stands as an outstanding choice for enthusiasts requiring uncompromising cooling performance in high-end gaming or workstation configurations.