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Nine Blade Design

Many 140x140x25mm axial fans tend to suffer from low static pressure, making them less suitable for use on CPU coolers or watercooling radiators with tight fin spacing. The NF-P14 on the other hand features a highly optimised nine blade impeller design that’s following in the footsteps of Noctua’s successful NF-P12 and has been carefully fine-tuned for both airflow/noise efficiency and outstanding static pressure. As a result, the NF-P14 lends itself not only to use as a case fan but also to high-impedance applications like CPU cooling.

NF-P14 Blade Design


Thanks to the use of Vortex-Control Notches, an advanced design measure first introduced with the NF-P12 fan, the NF-P14 is surprisingly quiet despite of its impressive airflow and pressure performance. The two Vortex-Control Notches at the trailing edge of each blade make the flows along the suction and pressure side mix more smoothly, allowing for less turbulence and velocity loss, which leads to increased efficiency as well as a significant reduction in noise emission.

NF-P14 Blade Design


Vortex-Control Notches not only allow the flows to join less abruptly at the trailing edge, but also serve the purpose of psychoacoustic optimisation by making the fan’s acoustic profile more pleasant to the human ear: Due to the Vortex-Control Notches, trailing edge vortices are split up into several smaller vortices, each having slightly different tonal characteristics. The fan’s airflow noise is thereby spread over a wider range of frequencies and, as a result, perceived as much less annoying.

NF-P14 Blade Design


The Vortex-Control Notches' effect of psychoacoustic optimisation is further enhanced by the staggering of the notches. As the Vortex-Control Notches are staggered from blade to blade, each blade creates a different vortex pattern, which also helps to better spread the fan's noise emission over the frequency spectrum and thereby contributes to the fans unobtrusive acoustic profile that easily blends into the background noise.

NF-P14 Blade Design



More information:
button  120mm & 140mm Mounting
button  NF-P14 Metal Reinforcements




Noctua
26.05.2015 - kingdomgame.it NH-L9x65
Resultado del análisis: "Noctua ha ancora una volta dimostrato la sua capacità nel creare un prodotto di altissima qualità, questa volta però in spazi contenutissimi. L'NH-L9x65 è incredibilmente piccolo e versatile nelle più svariate configurazioni e capace di dissipare per bene anche i processori più esigenti. Se state pensando ad una build che occupi davvero poco spazio e trovare un dissipatore ideale è stato un problema, l'NH-L9x65 potrebbe essere la vostra soluzione definitiva." (Marco Cremona, kingdomgame.it)
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26.05.2015 - GreenTechReviews.ru NH-L9x65
Resultado del análisis: "Компактные размеры, очень тихая работа, потрясающая совместимость с платформами любых размеров и отличная эффективность делают Noctua NH-L9x65 очень привлекательным при сборке не только компактных, но и высокопроизводительных систем." Владимир Солонин, GreenTechReviews.ru)
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26.05.2015 - VRWorld.com NH-D15
Resultado del análisis: "The NH-D15 is at the pinnacle of air-cooled heatsinks, with the dual-tower offering beating out several liquid-cooled solutions. It runs quiet, has an immense amount of cooling potential and is designed to be compatible with a wide variety of RAM modules." (Harish Jonnalagadda, VRWorld.com)
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26.05.2015 - PCGamers.net.au NH-U9S
Resultado del análisis: "There's not much left to say - these coolers are awesome." (Phil Carroll, PCGamers.net.au)
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