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

No compromise silence and performance Silent Wings 4 140mm PWM high-speed White combines all features of a virtually inaudible with an extremely performant fan for the most demanding applications. - Optimized fan blades for the highest performance on radiators and heat sinks - 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 vibration and very smooth operations - Anti-vibration mounting with push pins and screwed installation option - Super-long lifespan of up to 300,000h - Elegant look in an all-white design - 5-year manufacturer warranty Equally quiet and performant operation Silent Wings 4 140mm PWM high-speed White is the fan of choice for all possible operations. Be it in a case, on radiators or heat sinks - Features like the silence-optimized fan blades and the funnel shaped fan frame make Silent Wings 4 140mm PWM high-speed White a