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Corsair AF120 Slim vs Noctua NF-A14 PWM: Comparison
Corsair AF120 Slim and Noctua NF-A14 PWM separate most on airflow: Corsair AF120 Slim at 56.3 CFM, Noctua NF-A14 PWM at 82.52 CFM, 32% in favour of Noctua NF-A14 PWM. Max Speed splits them by another 25%, this time favouring Corsair AF120 Slim. They match on 4 other specifications, including bearing type, lighting and pwm control.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Fan Size | 120 mm | 140 mm |
| Brand | Corsair | Noctua |
| Model | AF120 Slim | NF-A14 PWM |
| Bearing Type | Fluid Dynamic | Fluid Dynamic |
| Lighting | None | None |
| Fan Thickness | 15 mm | 25 mm |
| Static Pressure | 1.9 mmH2O-9% | 2.08 mmH2O |
| Max Speed | 2000 RPM | 1500 RPM-25% |
| Noise Level | 25.6 dBA+1 dBA | 24.6 dBA |
| Airflow | 56.3 CFM-32% | 82.52 CFM |
| PWM Control | Yes | Yes |
| Min Speed | 600 RPM | 300 RPM |
| RGB Lighting | No | No |
| Source URL | https://www.corsair.com/us/en/p/case-fans/co-9050144-ww/af120-slim-120mm-pwm-fluid-dynamic-bearing-fan-black-co-9050144-ww | https://www.noctua.at/en/products/nf-a14-pwm/specifications |
Verdict
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.
Noctua NF-A14 PWM
9 / 10 Expert Rating
The default recommendation for a 140mm airflow fan when looks don't matter and quiet running does.




