BE QUIET Shadow Wings 2 140mm PWM

The Shadow Wings 2 fans offer whisper-quiet operation and reliable cooling at low revolutions per minute. They are especially recommended for use in very silent PC builds. Shadow Wings 2 fans are the perfect choice for all who appreciate maximum silence for their PC case.
Product Description: be quiet! Shadow Wings 2 - case fan | Product Type: Case fan | Package Content: 4 push pins, 4 silica gel washers | Fan Diameter: 140 mm | Fan Height: 25 mm | Fan Bearing: Rifle bearing | Rotation Speed: 900 rpm | Air Flow: 49.8 cfm | Noise Level: 14.9 dBA | Power Connector: 4-pin fan connector | Rated Voltage: 12 V | Features: Pulse-width modulation (PWM) support | Dimensions (WxDxH): 14 cm x 14 cm x 2.5 cm | Weight: 175 g | Features: Anti-vibration | Manufacturer Warranty: 3-year warranty