be quiet! silent wings 4 140mm PWM

Case fan 140 mm PWM

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The be quiet! Silent Wings 4 140 mm PWM combines all the features of a virtually silent fan with those of an extremely powerful fan. A 6-pole motor and anti-vibration mountings combined with optimised fan blades.

Case fan 140 mm PWM

Overview

Silent Wings 4: silence and performance without compromise

The be quiet! Silent Wings 4 140 mm PWM combines all the features of a virtually silent fan with those of a high-performance fan. A 6-pole motor and anti-vibration mounts combined with fan blades optimised for maximum airflow make the Silent Wings 4 140 mm PWM the ideal choice for the most demanding applications in high-end systems.

Key Features

  • Optimised blades for maximum performance on heatsinks and heat sinks
  • Reduced space between frame and blades and funnel-shaped air outlet for extremely high air pressure
  • Virtually inaudible operation at steady speed
  • 6-pole motor to reduce vibration and power consumption
  • Hydrodynamic bearing mechanism (fluid dynamic bearing)
  • Anti-vibration mounting system with push pins for installation as a box fan
  • A conventional screw mounting system is also provided to replace the default mounting option
  • Excellent service life of up to 300,000 hours
Specifications
Select your criteria

General information

Product name

be quiet! silent wings 4 140mm PWM

Brand

be quiet!

Model

BL096

Technical specifications

Use

Case

Color

Black

Luminous

No

Connector(s)

4-pin Female

Reverse (inverted blades)

No

PWM

Yes

Cooling type

Active (fansink)

Fan diameter

140 mm

Max sound level

13.6 dB

Maximum rotation speed

1100 RPM

Max airflow

51.3 CFM

Pressure

0.92 mm/H2O

Weight

220 g

Use

Gamer
Office

Bundle

No

Warranties

Commercial warranty

Seller 3 years

Legal warranty

See terms & conditions

Product referenced on 5 Jul 2022

Customer reviews
Global rating
10/10
based on 5 reviews Editorial and moderation guide
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    5 reviews
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  • by DavyU
    Posted on 3 Dec 2024
    Bought on 1 Nov 2024 from LDLC
    Number of reviews: 1 Average rating: 10

    Very quiet!

    A very good product that perfectly meets my expectations and gives me a silent PC
    Easy to install and use

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  • by XavierH
    Posted on 14 May 2024
    Bought on 13 Apr 2024 from LDLC
    Number of reviews: 18 Average rating: 9

    Super-extracted, super-quiet.

    Does the job properly, integrates with all cases, never had any problems with be quiet. Fast delivery and quality packaging as always from LDLC.

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  • by AntoineM
    Posted on 12 Jan 2024
    Bought on 29 Dec 2023 from LDLC
    Number of reviews: 7 Average rating: 9

    Silence has a price... but it's golden!

    The price may seem high, but the results are impressive!
    I took 5 of them to replace the Pure Wings 2 DC in my Pure Base 600 case, and it's now absolutely quiet: 30% at rest, 50% at 45°C and 70% at 60°C. Even when I'm playing games, the quietness means I can enjoy the game.
    Even at 30% with 5 fans, my speakers, switched on without sound, make more noise. A joy, and above all a good investment.
    For my next set-up, I'll be taking a Be Quiet! case and replacing it with the higher range (Silent Wings Pro) to benefit from the same quietness, but even better cooling with a Dark Rock Pro Elite (and avoid an AIO).

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  • by PtitDom
    Posted on 15 Nov 2023
    Bought on 10 Nov 2023 from LDLC
    Number of reviews: 1 Average rating: 10

    Zen attitude

    This fan is super quiet and not too expensive, so it's good value for money!
    I got two for the front of my case.
    Great!
    They were available in our branches, thanks to LDLC in Saint Grégoire (35).

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  • by SR845
    Posted on 4 Mar 2023
    Bought on 2 Feb 2023 from LDLC
    Number of reviews: 2 Average rating: 10

    Inaudible

    Fantastic rubber installation method! Very easy to use. A very premium feel to the product in general. My computer is 1 meter away and the fans are inaudible at 50% of maximum speed (~580 RPM). Unfortunately my computer doesn't produce much heat so I can't speak to their airflow performance, I chose them for their quietness and a perfect score on this criterion. Relatively expensive but with a 5 year warranty it doesn't sting.

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