Be Quiet! (BL097) Silent Wings 4 14cm PWM High Speed Case Fan, Black, Up to 1900 RPM, Fluid Dynamic Bearing

Silent Wings 4 140mm 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 design
• 5-year manufacturer warranty