From Manufacturer
Keep your system cool with the be quiet! 140mm Silent Wings Pro 4 Case Fan. Designed to provide you with near-silent operation without compromising cooling performance, the Silent Wings Pro 4 ensures your rig stays cool while reducing distracting noise.
An energy-saving 6-pole fan motor and fluid dynamic bearings provide up to a 300,000-hour lifespan, ideal for prolonged game sessions. An optimized fan design enhances performance, delivering up to 97.41 CFM airflow at 100% PWM usage. Each fan spins up to 2400 rpm while maintaining a maximum noise level of 36.8 dBA, driving cool air into your system quickly while remaining nearly silent. Triple speed switching eases the fan into meeting the demands of your system, swapping between medium, high-speed, and ultra-high-speed levels at a moment's notice. A modular design enables you to adjust the Silent Wings Pro 4 for a variety of scenarios, allowing you to pick and choose between anti-vibration, radiator compatible, and standard mounting options.