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Product discontinued.

The NF-B9's highly-optimised blade design achieves an exceptional level of airflow and static pressure that most other fans can only reach at much higher speeds. Bevelled blade tips, Vortex-Control Notches as well as Noctua's SCD drive system and premium-grade SSO-Bearing ensure outstanding quietness and long-term stability.



BBT Bevelled Blade Tips
Due to advanced design measures like the bevelled blade tips, the NF-B9 is surprisingly quiet despite its outstanding airflow and pressure performance. button

VCN Vortex-Control Notches
Psychoacoustic optimizations like the Vortex-Control Notches make the NF-B9's noise pattern more pleasant to the human ear. button

SCD Smooth Commutation Drive
The new SC drive system reduces torque variations and thereby ensures improved running smoothness, particularly at lower speeds. button

SSO Self-stabilizing oil-pressure bearing
Noctua's well proven SSO-Bearing technology guarantees supremely quiet operation and exceptional long-term stability. button


*extrapolated values


Noctua
21.09.2014 - mod-your-case.de NF-A4x10 5V
Test verdict: "Mit knapp 13€ ist der Lüfter war nicht gerade günstig, die eigenen Nerven werden es einem jedoch recht schnell danken, wenn z.B. die quirligen Lüftergeräusche aus dem heimischen NAS gemindert werden." (Patrick Seus, mod-your-case.de)
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21.09.2014 - QuentinRademaker.nl NH-D15
Test verdict: "Overall performance is great, and I must admit it’s dead silent even on full load. Who says bigger isn’t always better!" (Quentin Rademaker)
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21.09.2014 - RealHardTechX.com NF-A9 PWM
Test verdict: "Distinguimos al ventilador NOCTUA NF-A9 PWM con nuestro premio a la excelencia RealHardTechX Award y recomendamos su compra a todos nuestros lectores." (José Romero, RealHardTechX.com)
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20.09.2014 - HWready.it NF-A4x10 5V
Test verdict: "Detto ciò senza fronzoli e giri di parole, se necessita di ventole di prima scelta non rimarrete delusi della serie NF Noctua." (Santoro Luigi, HWready.it)
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