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be quiet! Silent Wings 4 120mm PWM High-Speed vs Corsair AF120 Slim: Comparison
be quiet! Silent Wings 4 120mm PWM High-Speed and Corsair AF120 Slim separate most on static pressure: be quiet! Silent Wings 4 120mm PWM High-Speed at 3.96 mmH2O, Corsair AF120 Slim at 1.9 mmH2O, 52% in favour of be quiet! Silent Wings 4 120mm PWM High-Speed. Airflow splits them by another 27%, again favouring be quiet! Silent Wings 4 120mm PWM High-Speed. They match on fan size, bearing type and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 120 mm |
| Brand | be quiet! | Corsair |
| Model | Silent Wings 4 120mm PWM High-Speed | AF120 Slim |
| Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Fan Thickness | 25 mm | 15 mm |
| Static Pressure | 3.96 mmH2O | 1.9 mmH2O-52% |
| Max Speed | 2500 RPM | 2000 RPM-20% |
| Noise Level | 31.2 dBA+5.6 dBA | 25.6 dBA |
| Airflow | 76.7 CFM | 56.3 CFM-27% |
| PWM Control | Yes | Yes |
| Source URL | https://www.bequiet.com/en/casefans/3701 | https://www.corsair.com/us/en/p/case-fans/co-9050144-ww/af120-slim-120mm-pwm-fluid-dynamic-bearing-fan-black-co-9050144-ww |
Verdict
be quiet! Silent Wings 4 120mm PWM High-Speed
8 / 10 Expert Rating
More airflow than the quiet-first competition, with a bearing rating built for a decade of running.
Corsair AF120 Slim
7 / 10 Expert Rating
A clearance-solving slim 120mm fan that keeps most of the airflow a standard-depth fan would give you.
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