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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

10.10.2015 - NH-C14S
Test verdict: "For quality, performance, relative silence with LNA, flexibility and ease of use, the Noctua NH-C14S earns the Modders-Inc Editor’s Choice award." (Ron Perillo,

10.10.2015 - NH-D15S
Test verdict: "Claramente luego de las pruebas de rendimiento tanto en los escenarios normales como de overclock, dicha opción resulta muy convincente no solo por su estética sino por la forma en que trabaja donde incluso estresando arduamente al procesador el ventilador se mantiene en silencio sin afectar los grados de temperatura." (Alejandro Dau,

09.10.2015 - NH-D9L
Test verdict: "Akhir kata, mirip seperti Noctua NH-U9S, Noctua NH-D9L adalah sebuah heatsink fan dengan build quality baik, fan 92mm yang cukup hening, berukuran cukup ringkas, namun masih bertenaga untuk menangani sebuah Core i7-4790K yang dioverclock pada 4.5Ghz atau lebih." (Alva Jonathan,

08.10.2015 - NH-U9S
Test verdict: "Jika Anda menginginkan sebuah PC mini dengan prosesor yang powerful, dan masih bingung memilih heatsink yang memiliki ukuran kecil dan performa baik, Noctua NH-U9S bisa masuk dalam pertimbangan Anda." (Alva Jonathan,