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Product discontinued. Successor model: NF-S12A FLX

Succeeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimised blade geometry with Bevelled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing, 6 years warranty and versatile 1200/900/600 rpm speed settings, the NF-S12B FLX is a premium quality fan that offers full flexibility in quiet to ultra-quiet case cooling.

More information:
button  NF-S12B Blade Design
button  NF-S12B & NF-P12: Technical Backgrounds
button  Which fan is right for me?

BBT Highly optimised impeller with Bevelled Blade Tips
Thanks to its further refined blade geometry with extended leading edges and Bevelled Blade Tips, the NF-S12B achieves up to 10% more airflow and static pressure than its much acclaimed predecessor at the same noise level. button

flx 3 speed settings for full flexibility
Providing 1200, 900 and 600 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the FLX (Flexibility) version can be fine-tuned for superior airflow or maximum quietness.

SCD Smooth Commutation Drive 2
The latest version of Noctua’s advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises. button

SSO SSO-Bearing
Noctua’s time-tested SSO-Bearing technology has become synonymous with supremely quiet operation and exceptional long-term stability. button

*extrapolated values

06.10.2015 - NH-D15S
Test verdict: "Ter algo como o NH-D15S é ter a supremacia máxima em dissipadores de computadores com troca de calor a ar." (Carlos Xandelly,

06.10.2015 - Digital! Oktobar 2015 NH-C14S
Test verdict: "[T]eško je ne preporuciti ovaj model, s obzirom da je rec o retko kompletnom i svestranom proizvodu." (Nebojša Todorović, Digital! Oktobar 2015)

05.10.2015 - NH-D15S
Test verdict: "El NH-D15S se convierte, por derecho propio, en el disipador de mejores prestaciones que ha pasado por nuestro laboratorio y sin duda en mi recomendación personal para cualquiera que necesite un disipador silencioso y potente." (Javier Rodríguez,

04.10.2015 - NH-U9S
Test verdict: "Dwa nowe schładzacze firmy Noctua zasłużyły na słowa uznania. Austriacki producent po raz kolejny przygotował urządzenia, które są doskonale wykonane i zapewniają pełną kompatybilność z najnowszymi procesorami oraz płytami głównymi m-ATX." (Marcin Jankowski,