Noctua A4x20 PWM vs Noctua B9 redux-1600
A side-by-side spec comparison of the Noctua A4x20 PWM and the Noctua B9 redux-1600. 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":1200,"min":1200} | {"max":350,"min":350} |
| Size | 40" | 92" |
| Noise Level | 12.2 dBA | 17.6 dBA |
| Airflow (CFM) | 4.89 CFM | 37.85 CFM |
| Quantity | 1 | 1 |
Noctua A4x20 PWM
1
spec won
Noctua B9 redux-1600
1
spec won
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