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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
20.10.2014 - TechTesters NH-L12
Test verdict: "De NH-L12 is net als zín broertjes en zusjes bedoeld is als een product voor echte liefhebbers die graag iets meer uitgeven om net die beetje extra prestaties te halen, of die de typische Noctua-ervaring reeds waarderen, en met dat in het achterhoofd doet de NH-L12 het zoals verwacht uitstekend." (Stephan Overbeeke, TechTesters)
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20.10.2014 - videotesty.pl NF-A8 PWM
Test verdict: "Dla bardziej wymagających użytkowników polecam zainteresować się tą serią." (Paweł Borysewicz, videotesty.pl)
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19.10.2014 - InsideGeeks.net NF-A4x10 5V
Test verdict: "Devido a tudo isto a Noctua NF-A4x10 5V ť um produto recomendado pelo InsideGeeks!" (Nuno Ferreira, InsideGeeks.net)
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19.10.2014 - bcchardware.com NH-D15
Test verdict: "True to Noctua form, the NH-D15 is virtually silent - and the volume level is even quiet managable at 100% fan speed (~1500rpm). The cooling performance of this monster actually bests all but two of the liquid cooling systems and every other heatsink we tested." (Benjamin Heide, bcchardware.com)
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