Noctua A4x10 vs Noctua B9 PWM
A side-by-side spec comparison of the Noctua A4x10 and the Noctua B9 PWM. We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which case fan is right for your build.
| Specification | ||
|---|---|---|
| RGB | No | No |
| RPM | {"max":3700,"min":3700} | {"max":300,"min":300} |
| Size | 40" | 92" |
| Noise Level | 12.9 dBA | 13.1 dBA |
| Airflow (CFM) | 3.88 CFM | 30.96 CFM |
| Quantity | 1 | 1 |
Noctua A4x10
1
spec won
Noctua B9 PWM
1
spec won
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