Be Quiet! Silent Wings Pro 4 140mm PWM Computer Case Fan Black (BL099)

Be Quiet! Silent Wings Pro 4 140mm PWM Computer Case Fan Black (BL099)

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Dispatched Today if order completed in 5 Hrs and 39 Mins
Estimated delivery of Fri 24th Jul to Mainland UK.

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Only £34.97inc VAT

Ex VAT: £29.14



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Product Description:

The Be Quiet! Silent Wings Pro 4 140mm PWM is the brand`s most progressive and versatile high-end case fan, engineered for maximum performance on demanding PC cooling systems while maintaining excellent acoustic qualities.

This 140mm fan is optimized for high-end performance on radiators and heatsinks. It features a physical Speed Switch that provides three distinct maximum PWM speed options-medium-speed, high-speed, and ultra-high-speed (up to 2400 RPM)-allowing users to tailor cooling power precisely. The fan is designed for extraordinary air pressure via its optimised fan blades, small tip clearance, and a funnel-shaped air outlet, delivering a high airflow of 97.41 CFM. 

Despite its power, it achieves virtually inaudible operation at regular speeds, with a maximum noise level of 36.8 dB(A). The fan is built with a highly efficient 6-pole fan motor and a long-life Fluid Dynamic Bearing (FDB), guaranteeing a super-long lifespan of up to 300,000 hours with minimal vibration. It comes with three individual mounting systems for flexible use as a case fan or with a radiator.


Key Features

  • Rotation Speed: Up to 2400 RPM maximum speed.
  • Speed Control: Features a physical Speed Switch with three maximum speed options (medium, high, and ultra-high-speed) for versatile application.
  • Performance: Delivers 97.41 CFM airflow and extremely high air pressure, optimised for radiators and heatsinks.
  • Motor and Bearing: Features a 6-pole fan motor and a long-life Fluid Dynamic Bearing (FDB) (up to 300,000 hours MTBF).
  • Noise Level: Virtually inaudible at mid-speed, with a maximum noise level of 36.8 dB(A).
  • Mounting Options: Includes three different mounting systems (radiator-optimised, anti-vibration rubber, and hard plastic) for flexible installation.
  • Colour: Black.

Product Specifications:

NameValue
Manufacturer Part NumberBL099
ManufacturerBe Quiet!
Product TypeComputer Case Fan
Capacity140mm
Fan Connector(s)4-pin
Fan ControllerPWM
Rotation SpeedUp to 2400 RPM
Product Barcode4260052188910
Bearing TypeFluid
Item Width25mm
Maximum Airflow Volume97.41 CFM
Maximum Fan Speed2400 RPM
Voltage12 V

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