Noctua NF-A6x15 PWM vs Noctua S12B FLX

A side-by-side spec comparison of the Noctua NF-A6x15 PWM and the Noctua S12B FLX. We line up every specification and score the ones that matter most in this category — weighted, not a raw count of specs won — to reach an overall verdict so you can decide which case fan is right for your build.

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Side-by-side specification comparison of Noctua NF-A6x15 PWM and Noctua S12B FLX.
Specification	Noctua NF-A6x15 PWM $15.95 Newegg price as of Oct 21, 05:01 UTC Buy on Newegg	Noctua S12B FLX $16.90 Newegg price as of Oct 22, 18:01 UTC Winner Buy on Newegg
RGB	No	No
RPM	{"max":3050,"min":3050}	{"max":600,"min":600}
Size	60"	120"
Noise Level	16.5 dBA	6 dBA
Airflow (CFM)	11.83 CFM	28.95 CFM
Quantity	1	1

Winner: Noctua S12B FLX — driven by Noise Level (6 dBA), Airflow (CFM) (28.95 CFM)

Noctua NF-A6x15 PWM

performance points

Noctua S12B FLX

performance points

Winner is scored by weighting the specs that matter most in this category (not a raw count of specs won).

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