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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
20.12.2014 - ByTheWay.gr NH-U9S
Test verdict: "Οι επιδόσεις, σε συνδυασμό με τον ανεμιστήρα που δεν θα ενοχλήσει καθόλου τα υψηλά memory modules,καθώς και ο χαμηλός παραγόμενος θόρυβος την καθιστούν μία πολύ καλή all around λύση, που ταιριάζει σε όλα τα socket." (Nasioulis Evangelos, ByTheWay.gr)
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20.12.2014 - Insomnia.gr NH-U12S
Test verdict: "Στο σημείο αυτό ακόμη μια παρουσίαση φτάνει στο τέλος της και η Noctua NH-U12S κατεβαίνει από τον πάγκο δοκιμών αφήνοντάς μας τις καλύτερες των εντυπώσεων. Mε την ψύκτρα αυτή, η οποία έχει αρκετό καιρό στην αγορά, η Noctua δείχνει την πάγια προσήλωσή της στην προσφορά ποιοτικών προϊόντων, τα οποία έχουν όλα εκείνα τα οποία θα μπορούσε να ζητήσει ακόμη και ο πιο απαιτητικός χρήστης." (Ζαννής Σκουλάξινος, Insomnia.gr)
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19.12.2014 - ElektronikTest.dk NH-U9S
Test verdict: "Køleevne Vi ligger jo ikke på samme niveau som de store modeller, men stadig godt klaret i forhold til størrelsen af køleren. Og med en ekstra blæser på, er der ingen tvivl om at de slår mange, hvis ikke alle andre kølere i denne klasse." (John Thorn, ElektronikTest.dk)
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