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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
19.08.2014 - [blank],s Universe NF-F12 industrialPPC-2000 PWM
Test verdict: "Noctua Industrial PPC fans are a must buy for people who have to constantly replace their fans due to dust or debris entering and damaging the fans. They are also suited for users who want the performance and silence of a Noctua fan, but want it in black." (Martin Tam, [blank]'s Universe)
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19.08.2014 - SweClockers.com NH-D15
Test verdict: "Sammantaget är Noctua NH-D15 den bästa luftkylaren som hittills passerat genom SweClockers testlabb. Entusiaster som klarar av prislappen på närmare 800 kronor och inte har något emot de karakteristiskt färgsatta fläktarna kan se fram emot en produkt i absoluta toppklassen." (Emil Åkered, SweClockers.com)
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18.08.2014 - ElektronikTest.dk NF-P14s redux-1200 PWM
Test verdict: "Det nye farve tema Jeg er vild med de nye farver og det passer perfekt ind i de tema'er jeg normalt arbejder med når jeg bygger computere så det er jo virkelig noget der passer mig godt her." (John Thorn, ElektronikTest.dk)
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14.08.2014 - oZeros.com NH-D15
Test verdict: "Su rendimiento es excepcional, logramos mantener a raya las temperaturas de unos de los procesadores mas cuestionados de los últimos años debido a su gran temperatura, e incluso logramos obtener un margen importante de overclock competitivo y para un uso 24/7. Esto sumado a los 2 NF-A15 PWM los cuales nos entregan un gran flujo de aire a bajas RPM, lo que nos da como resultado un sistema frió y silencioso." (Pablo César Lineros Herrada, oZeros.com)
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