Noctua S12B FLX vs Noctua S12B redux-1200

A side-by-side spec comparison of the Noctua S12B FLX and the Noctua S12B redux-1200. 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 S12B FLX and Noctua S12B redux-1200.
Specification	Noctua S12B FLX $16.90 Newegg price as of Oct 22, 18:01 UTC Buy on Newegg	Noctua S12B redux-1200 $16.90 Newegg price as of Oct 22, 14:03 UTC Buy on Newegg
RGB	No	No
RPM	{"max":600,"min":600}	{"max":1200,"min":1200}
Size	120"	120"
Noise Level	6 dBA	18.1 dBA
Airflow (CFM)	28.95 CFM	59.1 CFM
Quantity	1	1

Too close to call — these products trade blows on the specs that matter.

Noctua S12B FLX

performance point

Noctua S12B redux-1200

performance point

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

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