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Product Overview

The be quiet! Silent Wings 4 120 mm PWM high-speed White is a 120 mm case fan that spins at up to 2,500 RPM while staying at 31.2 dB. It moves 130.31 m³/h (76.7 cfm) of air and builds up to 3.96 mm H2O of static pressure, helped by a fan frame with a small gap to the blades and funnel-shaped air outlets. The 6-pole motor and fluid dynamic bearing keep vibration low.

Its blades are optimised for radiators and heatsinks, so it suits radiator mounts and heatsink fans as well as standard case airflow in a high-end build. The white frame and glossy white fan sticker fit a light-coloured PC, and there is no RGB lighting. It uses a 4-pin PWM connector with a 5 to 13.2 V range and draws 2.4 W. Removable anti-vibration mounts with push-pins are included, along with fan screws as an alternative fixing.

Specification

• Manufacturer: Be quiet
• Model: Silent Wings 4 120mm PWM high-speed White
• MPN: BL115
• EAN: 4260052191064
• Fan size: 120 mm
• Max speed: 2,500 RPM
• Airflow: 130.31 m³/h (76.7 cfm)
• Static pressure: Up to 3.96 mm H2O
• Noise level: 31.2 dB
• Bearing: Fluid dynamic bearing (FDB)
• Connector: 4-pin PWM
• Voltage range: 5 – 13.2 V
• Power consumption: 2.4 W
• MTTF: 300,000 h
• Colour: White
• Cable length: 0.5 m
• Dimensions (W x H x D): 120 x 120 x 25 mm
• Weight: 190 g
• Manufacturer warranty: 3 years

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