SILENT WINGS 4 120mm PWM high-speed NO COMPROMISE SILENCE AND PERFORMANCE Silent Wings 4 120mm PWM high-speed 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 with high-grade fan sticker in an all-black designDescriptionSILENT WINGS 4 120mm PWM high-speed NO COMPROMISE SILENCE AND PERFORMANCE Silent Wings 4 120mm PWM high-speed 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 with high-grade fan sticker in an all-black designVendor Homepagewww.bequiet.com/en/casefans/3701Category CodeCOSCnCode84145925Unit Box Height0.03Unit Box Length0.195Unit Box Width0.145ModelBL094Model nameSilent Wings 4Fan size group120mmNumber of fans1Fan speed2500rpmAir flow76.7 cfmNoise level, max31.2 dBMainboard connection4-pinColourBlackDimensions120 x 120 x 25 mmUnits per Shipping Box1Unit Calculated Volume0.0008483 cubmProduct Net Weight0.1 kgUnit Calculated Weight0.35 kg