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NF-S12 / NF-P12

In the design and development of axial fans, the three aerodynamic key parameters of airflow, pressure and noise play a major role. Usually, the goal is to achieve the amount of airflow and static pressure required by a specific application at the lowest possible noise emission. The design should hence provide the optimal balance of airflow, pressure and noise for a given application.

However, even in the field of PC cooling, each application has different requirements: Whereas CPU coolers with tighter fin-spacing require high static pressure, it's mostly the airflow to noise ratio that counts when it comes to case fans.

Common fans are usually designed to be all-round solutions with compromises in certain areas in order to achieve solid results in all typical applications.

Noctua, on the other hand, is following a two-fold approach with its S12 and P12 fan series in order to achieve optimal results at various applications: While the NF-S12B was optimized so as to provide a class-leading airflow to noise ratio and therefore makes for an excellent case fan, the NF-P12 was designed to produce high airflow and an outstanding amount of static pressure, which makes it perfect for use on CPU coolers and other high-impedance applications. The following illustration shows how this approach differs from common all-round solutions:

NF-S12B Blade Design


While the NF-S12B delivers less static pressure, it provides a better airflow/noise ratio. Therefore, it's perfectly suited for case ventilation as well as all applications which don't demand high static pressure and where maximum quietness is the first priority. The NF-P12 on the other hand provides a better pressure/noise ratio and should therefore be the first choice for all applications which demand high static pressure such as CPU cooling.

NF-S12B Blade Design


NF-S12B Blade Design


NF-S12B Blade Design


NF-S12B Blade Design


NF-S12B Blade Design




Links:
button  NF-P12 Nine Blade Design with Vortex-Control Notches
button  NF-S12B Blade Design with Bevelled Blade Tips
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Noctua
28.08.2014 - ocinside.de NH-D15
Test verdict: "Mit dem NH-D15 ist Noctua wirklich ein Meisterwerk gelungen!" (Jens Pressel, ocinside.de)
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27.08.2014 - Sitegeek.fr NF-S12A FLX
Test verdict: "Bref, une référence absolue dont vous ne pouvez être déçue et que je vous recommande chaudement." (Cadoret Gwenael, Sitegeek.fr)
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25.08.2014 - TruePCGaming.com NF-S12B redux-1200 PWM
Test verdict: "The Redux fans, are by a significant margin, the best value-for-money cooling product I’ve used and a worthwhile investment." (John Williamson, TruePCGaming.com)
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23.08.2014 - RealHardTechX.com NA-SRC7
Test verdict: "En definitiva, el set de adaptadores NA-SRC7 es un excelente complemento de la serie redux, que también puede usarse conjuntamente con otros muchos ventiladores de 3 y 4 pines y que desde RealHardTechX animamos a utilizar a los fanáticos del silencio, que nos consta que sois muchos. Recomendado." ((José Romero, RealHardTechX.com)
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