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Noctua A4x20 PWM vs Noctua P12 PWM

A side-by-side spec comparison of the Noctua A4x20 PWM and the Noctua P12 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.

Side-by-side specification comparison of Noctua A4x20 PWM and Noctua P12 PWM.
Specification
RGBNoNo
RPM{"max":1200,"min":1200}{"max":900,"min":900}
Size40"120"
Noise Level12.2 dBA12.6 dBA
Airflow (CFM)4.89 CFM50 CFM
Quantity11

Noctua A4x20 PWM

1

spec won

Noctua P12 PWM

1

spec won

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