Noctua NF-A6x25-PWM vs Noctua S12B redux-700

A side-by-side spec comparison of the Noctua NF-A6x25-PWM and the Noctua S12B redux-700. 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.

As an Amazon Associate, PlanMyPC earns from qualifying purchases. We may also earn from other stores linked here. How we make money

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

Side-by-side specification comparison of Noctua NF-A6x25-PWM and Noctua S12B redux-700.
Specification	Noctua NF-A6x25-PWM $16.95 Newegg price as of Oct 22, 12:00 UTC Also at Amazon $16.95Amazon price as of Oct 22, 18:02 UTC Buy on Newegg	Noctua S12B redux-700 $16.95 Amazon price as of Oct 23, 00:02 UTC Winner Buy on Amazon
RGB	No	No
RPM	{"max":550,"min":550}	{"max":700,"min":700}
Size	60"	120"
Noise Level	13.7 dBA	6.8 dBA
Airflow (CFM)	13.3 CFM	33.49 CFM
Quantity	1	1

Winner: Noctua S12B redux-700 — driven by Noise Level (6.8 dBA), Airflow (CFM) (33.49 CFM)

Noctua NF-A6x25-PWM

performance points

Noctua S12B redux-700

performance points

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

Compare more parts

Add a third or fourth case fan to this comparison, or build a side-by-side from scratch in the interactive compare tool.

Open in interactive compare tool All Case Fan