Be Quiet! Silent Wings 4 BL095 140mm Case Fan, Black, 1100 RPM, Fluid Dynamic Bearing

SKU: C10B1095SW4140

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Be Quiet! Silent Wings 4 BL095 140mm



Be Quiet! Silent Wings 4 fan series is the epitome of high-performance fans with first-class features. Technically optimized on every level, Silent Wings 4 series fans suit for high-end PC builds as radiator fans, heat sinks, and case fans alike. Be it the speed switch of Silent Wings Pro 4, the variety of fan corners for different purposes or the smooth-running 6-pole fan motor with FDB: Be Quiet! Silent Wings 4 fans are the most progressive and technically advanced fans by be quiet! and a paragon for every fan in this category.

1 x 140mm

quiet Fan

1 x 3-pin

Included Connector

1100 rpm

Fan Speed

be quiet! Silent Wings 4

Quiet and Performant Operation


No Compromise Silence and Performance

Silent Wings 4 140mm is the fan of choice for all possible operations. Be it in a case, on radiators or heat sinks – Features like the silence-optimised fan blades and the funnel shaped fan frame make Silent Wings 4 140mm a fan that makes no compromises between virtually inaudible operation and high performance.


Optimised for High-End Performance

Silent Wings 4 140mm makes for extraordinary air pressure and, therefore, significant increases in the system’s performance. The decreased distance between the fan blades and the frame makes it possible. By that, the Silent Wings 4 140mm allows the user to run even the most demanding applications.


Different Mounting Options

Be quiet! Silent Wings 4 140mm has 2 mounting options in the scope of delivery. The pre-installed anti-vibration mounting reduces noise-generating vibrations to a minimum. For radiators and heat sinks, the plastic mounting is the first choice. Both solutions have in common that they enable virtually inaudible operation at regular speed.


Elegant Look Be Quiet BL095

Be it as a radiator fan or in the case: Silent Wings 4 140mm always makes a good impression. The all-black design combined with the high-grade fan sticker makes the fan shine in any system. This makes Silent Wings 4 140mm a high performant and an incredibly good-looking fan.

6-Pole Fan Motor

6-pole fan motor with 3 phases for very low power consumption, less vibration and therefore quiet max. operation of 13.6dB(A). Equipped with this state-of-the-art technology the fan is virtually inaudible when operated in mid-speed.

Fluid-Dynamic Bearing

The advanced fluid-dynamic bearing (FDB) enables a super long fan life of up to 300,000 hours. In addition, it reduces the vibrations significantly and supports the virtually inaudible operation of Silent Wings 4 140mm


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Silent Wings 4

Fan Connector (s)


Fan Speed

1100 rpm

Fan Bearing

Fluid Dynamic

Fan Dimensions

140 x 140 x 25 mm

Air Flow

51.3 CFM @ 100% PWM / 12V

Noise level

13.6 dB(A) @ 100% PWM / 12V


Current consumption: 0.30 A, Input power: 3.6 W, Operating Voltage DC: 5 – 13.2 V, Rated Voltage DC: 12 V, Safety current: 0.33 A

Package Weight

410 g

Package Contents

Fan screws, Manual, Push-pins, Rubber and hard plastic mounting, Silent Wings 4 fan




Up to 300,000 hours


5 Years