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Noctua NF-A14 PWM vs Noctua NF-A9 PWM: Comparison
Noctua NF-A14 PWM and Noctua NF-A9 PWM separate most on airflow: Noctua NF-A14 PWM at 82.5, Noctua NF-A9 PWM at 46.4, 44% in favour of Noctua NF-A14 PWM. Max Speed splits them by another 25%, this time favouring Noctua NF-A9 PWM. They match on 6 other specifications, including bearing type, lighting and pwm control.
Specs
| Specification |  |  |
|---|---|---|
| Fan Size | 140 | 92 |
| Brand | Noctua | Noctua |
| Model | NF-A14 PWM | NF-A9 PWM |
| Bearing Type | SSO2 | SSO2 |
| Lighting | No RGB | No RGB |
| Static Pressure | 1.99-13% | 2.28 |
| Max Speed | 1500-25% | 2000 |
| Noise Level | 24.6+1.8 dBA | 22.8 |
| Airflow | 82.5 | 46.4-44% |
| PWM Control | true | true |
| Positioning | Premium | Premium |
| Connector | 4-pin PWM | 4-pin PWM |
| Colors | Brown/Beige | Brown/Beige |
Verdict
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.
Noctua NF-A9 PWM
8 / 10 Expert Rating
The go-to premium option whenever a build genuinely needs a 92mm fan instead of 120mm.