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Product Overview

The be quiet! Silent Wings 4 140 mm PWM high-speed is a white 140 mm case fan that runs at up to 1,900 RPM while staying at 29.3 dB. It moves 133.2 m³/h (78.4 cfm) of air with a maximum air pressure of 2.36 mmH2O. A 6-pole motor and a fluid dynamic bearing keep vibration low, and the fan blades are optimised for radiators and heatsinks.

This fan suits white or high-end PC builds that need strong airflow without much noise. It supports 4-pin PWM control across a 5 to 13.2 V range and draws 4.8 W. Push pins with removable anti-vibration mounts at all four corners are included, and screws are an alternative fixing. A SATA multi-voltage adapter, fan screws and rubber and plastic corners are in the box.

Specification

• Manufacturer: Be quiet
• Model: Silent Wings 4 140mm PWM high-speed
• MPN: BL117
• EAN: 4260052191088
• Fan size: 140 mm
• Max speed: 1,900 RPM
• Airflow: 133.2 m³/h (78.4 cfm)
• Air pressure: up to 2.36 mmH2O
• Noise level: 29.3 dB
• Bearing: Fluid dynamic bearing (FDB)
• Connector: 4-pin PWM
• Voltage: 5 – 13.2 V (rated 12 V)
• Power consumption: 4.8 W
• Dimensions (W x H x D): 140 x 140 x 25 mm
• Weight: 220 g
• Cable length: 0.5 m
• Colour: White
• Manufacturer warranty: 3 years

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