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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
button  Which fan is right for me?




Noctua
21.05.2015 - hardwareinside.de NH-L9x65
Test verdict: "Insgesamt lässt sich festhalten, dass Noctua mit dem NH-L9x65 einen soliden Top-Blow-Kühler für fast jeden Sockel geschaffen hat, der alle ihm gestellten Aufgaben zuverlässig löst." (Sebastian Weickelt, hardwareinside.de)
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21.05.2015 - hwresources.org NF-F12 industrialPPC-2000 PWM
Test verdict: "Noctua continua a stupire in tutte le fasce di mercato. Le versioni testate oggi ci hanno convinto appieno, in particolar modo le versioni Industrial PPC, fan che rasentano la perfezioni in ogni aspetto." (Michele Mura, hwresources.org)
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21.05.2015 - PC-Max.de NF-S12B redux-1200
Test verdict: "In jedem Fall verdienen auch NF-F12 industrialPPC-2000, NF-F12 industrialPPC-3000 PWM und NF-S12B redux-1200 unsere Redaktionsempfehlung." (William Zwingenberger, PC-Max.de)
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21.05.2015 - ComputerForum.de NH-L9x65
Test verdict: "Der NH-L9x65 ist aktuell für uns ganz klar eines: Der König unter den kompakten HTPC-Kühlern!" (Benedikt Weiß, ComputerForum.de)
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