Photo: be quiet! / Manufacturer product image source
be quiet!
be quiet! Silent Wings 4 140mm PWM.
quiet
- 13.6 dB(A) at max - effectively inaudible
- Fluid-dynamic bearing rated for 300,000 h
Best price
$24v4% vs 30d$27 MSRP
at Amazon
//01SPEC SHEET
Brandbe quiet!
Release year2022
MSRP$27
Size140 mm
Pack1 fan
Max speed1,100 RPM
Airflow46.8 CFM
Noise13.6 dB(A)
RGBNO
//02PRICE COMPARISON
Prices as of 01 Oct 2026, 22:44 UTC
//03PRICE HISTORY
90d min
$20
90d avg
$23
90d max
$25
//04COMPATIBILITY
//05ALTERNATIVES
As an Amazon Associate, we earn from qualifying purchases.