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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
26.04.2015 - Donanimhaber Forum NH-L9x65
Test verdict: "Soğutucu seçerken kasa, ekran kartı, ram, anakart gibi bileşenler sizi kısıtlıyorsa NH-L9x65'e bakmanızı tavsiye ederim." (Ali Emre Alıcı, Donanimhaber Forum)
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25.04.2015 - BestPCInfo.pl NH-L9x65
Test verdict: "Noctua NH-L9x65 to wprawdzie bardzo kompaktowy cooler CPU ale mimo to jest on godnym następcą modelu NH-L9. Po pierwsze oferowana przez niego wydajność już bez problemu wystarczy do zastosowań przy chłodzeniu nawet wydajniejszych procesorów (a przynajmniej jeśli chodzi o jednostki 4-rdzeniowe). Po drugie producent nie rozdziela już tego modelu coolera na wersję dla AMD i wersję dla Intel a zatem jest to rozwiązanie zdecydowanie bardziej uniwersalne." (Łukasz Talkowski, BestPCInfo.pl)
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24.04.2015 - hwresources.org NH-L9x65
Test verdict: "Ci sentiamo di consigliare caldamente il nuovo Noctua per tutti gli usi, non solo per HTPC, tenere testa e battere soluzioni pił grosse dimostra la cura in cui Noctua ripone nei suoi prodotti." (Michele Mura, hwresources.org)
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22.04.2015 - OCDrift.com NH-U9S
Test verdict: "In the end, the Noctua NH-D9L, U9S and L9x65 are certainly among the best 92 mm low-profile coolers in the market that money can buy. For rig builders who are planning to set up a small HTPC and small form factor system, these coolers could be the perfect choice for you!" (Kevin Owi Kheng Him, OCDrift.com)
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