be quiet! Silent Wings 4 140mm PWM (BL096)
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.
Air or liquid cooling — which is better?Which type of cooling to choose depending on the purpose of the PC
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Series be quiet! Silent Wings (fans)Compare using chart →
Quiet, VERY quiet, compared to Silent Wings 3 better (subjectively) air pressure Skoda, you have to pay a lot of pennies for the quality |
The Silent Wings 4 120mm PWM is a fan chosen when controlled airflow and stable acoustics are needed. The airflow is dense with normal static pressure, making it equally suitable in a case, on a tower cooler, and on an AIO radiator. On a radiator, it effectively pushes through the fins, and inside a case, it really helps with temperature, rather than just creating a noisy background. In terms of sound, it's even, without rattling, whistling, or parasitic tones. Even at higher speeds, the noise remains soft and not annoying. The three-phase motor with six coils performs well here — the fan doesn't fluctuate in speed and doesn't resonate. The variable corner system is well-designed. Some corners are for classic screw mounting, while others are for screwless installation. Both options are anti-vibration, so it doesn't matter where it's placed — on a case or radiator, it doesn't add extra vibrations. Overall, this is a versatile 120mm fan with an emphasis on stability, acoustics, and quality build. It’s not a "toy for RGB builds" but a solid working component for a quiet and well-cooled system. Quiet, powerful, quality materials, top-of-the-line motor, braided cable Zhodnikh  Reverse_rain: use be quiet! Silent Wings 4 120mm PWM more than year |
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be quiet! Silent Wings 4 140mm PWM configurations
| Price for be quiet! Silent Wings 4 140mm PWM | ||||
|---|---|---|---|---|
 | be quiet! Silent Wings 4 120mm PWM | from $24.90 | 1 offer | |
 | be quiet! Silent Wings 4 120mm PWM White | from $24.90 | 1 offer | |
 | be quiet! Silent Wings 4 140mm PWM | from $24.90 | 1 offer | |
 | be quiet! Silent Wings 4 140mm PWM White | from $24.90 | 1 offer | |
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We recommendCompare using chart →
fan, on body, fan: 1, 140 mm, depth 25 mm, 1700 rpm, magnetic bearing, backlight, UV glow, daisy-chaining
I don't recommend this to people who want just one expensive fan in the case just for the sake of it. Either get a few and build a quiet system or go for something simpler and don't throw money into... the wind lol.
If anyone starts adding comments like "I have $3 fans and they are quiet," know this – if you had something to compare with, you wouldn't say so. I've had both Arctic P/F and relatively cheap Noctua Redux. The first ones start knocking after a week, and the latter vibrate and hum like an airplane.
For those choosing between the regular version and High Speed, know that with the high-speed version you get Be but not Quiet. I don't know about the fourth generation, but the Silent Wings 3 High Speed were noisier compared to the regular Silent Wings 3 at the same speeds and the coils whined at low RPM in cooler PWM modes.