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 FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)

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MessageSujet: FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)   Ven 20 Fév - 18:48



1) 3*fan 140mm de marque NOCTUA, modèle NF-P14 FLX



Citation :

Size140x140x25 mm
BearingSSO-Bearing
Blade GeometryNF-P14 Blade Design with VCN
Rotational Speed (+/- 10%)1200 RPM
Rotational Speed with L.N.A. (+/- 10%)900 RPM
Rotational Speed with U.L.N.A. (+/- 10%)750 RPM
Airflow110,3 m³/h
Airflow with L.N.A.83,7 m³/h
Airflow with U.L.N.A.71,2 m³/h
Acoustical Noise19,6 dB(A)
Acoustical Noise with L.N.A.13,2 dB(A)
Acoustical Noise with U.L.N.A.10,1 dB(A)
Static Pressure1,29 mm H2O
Static Pressure with L.N.A.0,77 mm H2O
Static Pressure with U.L.N.A.0,53 mm H2O
Input Power1,2 W
Input Current0,1 A
Voltage Range12 V
MTBF> 150.000 h
Scope of Delivery

  • Ultra-Low-Noise Adaptor (U.L.N.A.)
  • Low-Noise Adaptor (L.N.A.)
  • Adaptors for 140mm mounting
  • 4 Vibration Compensators
  • 3:4-Pin Adaptor
  • 4 Fan Screws

Warranty6 years

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.



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.



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.



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.



At an impeller diameter of almost 140mm, it is critical to avoid unbalance due to the bigger rotating masses. In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-P14 employs high precision CNC milled brass parts to reinforce the motor hub as well as a bearing shell made entirely from brass.




     The rotary motion of the axis generates pressure upon the special oil enclosed within the bearing. This causes the build-up of a dynamic pressure field that centres and stabilises the axis within the bearing shell. While conventional liquid bearings employ the principle of hydrodynamic pressure too, the SSO bearing is equipped with an additional magnet that supports the self-stabilisation of the rotor axis. This allows for a faster, more precise and more reliable centring of the rotor axis and thus increases the long-term stability and quietness of the bearing: When the fan starts, the dynamic pressure field of the liquid bearing needs to build up first, which results in an initial precession of the axis, the so called gyro effect. This amounts to an increased abrasion until the axis is stabilised through the build-up of the dynamic pressure field, which may by and by lead to increased noise emission and bearing defects. Because of this, the SSO bearing possesses a built in magnet, whose field ensures the immediate self-stabilisation of the rotor and hence reduces the gyro effect. In addition to the stabilisation during the start-up phase of the fan, the supporting magnet allows for a more exact centring of the axis within the bearing shell and thus further reduces bearing resistance, abrasion and noise emission.



 [list] The sleeve and ball bearings currently predominating the fan market exhibit major drawbacks: While conventional sleeve bearings initially have very low noise emissions, they mostly possess unsatisfying long-term stability, which leads to a short overall lifespan and increasing noise after longer operating times. High grade ball bearings, on the other hand, while providing satisfying long-term stability operate at slightly higher noise levels from the beginning. The SSO bearing not only surpasses the quietness of conventional sleeve bearings but also the long-term stability of current top-of-the-line ball bearings.
 1

2) Used / Usagée, Nettoyer à la brosse à dent et shop-vac .


3)






4) 10 $ Can chacune / each

5) Cash, ( Paypal Réservation 5$ non remboursable, vous avez 2 semaines pour venir chercher vos réservations)

E-mail:
 


6) En main propre à St-Hubert


7) Feedback ici et Ebay


8 ) À vendre tout simplement, fans en trop, aucune garantie

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Dernière édition par Sector-z le Sam 21 Fév - 2:20, édité 10 fois
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Sector-z
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Date d'inscription : 01/04/2009
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MessageSujet: Re: FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)   Sam 21 Fév - 0:31

Premium Approved

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Nvidia GTX 780M 4GB SLI
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Mon derniers PC Desktop en 2008

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MessageSujet: Re: FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)   Mar 11 Aoû - 20:22

Email envoyé pour les 3 fans!
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MessageSujet: Re: FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)   Mar 11 Aoû - 20:25

Désoler elle ont été acheter par un membre mais il a finalement mis du watercooling et doit mettre des fans plus puissante maintenant, donc doit les revendre, je te met en contacte avec lui, il est de laval. Je t'enverrai un MP plutard avec ses info Smile.

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Nvidia GTX 780M 4GB SLI
32GB 1866GHz Cas 11
2*SSD Samsung 850 PRO 1TB

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MessageSujet: Re: FS-3*Fan Noctua NF-P14-FLX 140mm Ultra Quiet (Très propres)   

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