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Specifically designed for low impedance case cooling applications, the classic NF-S12B is a long-standing favourite among enthusiast users around the world and helped to found Noctua’s reputation as a top-tier manufacturer of premium quality quiet cooling components. The new redux edition reissues this award-winning model in a streamlined, accessibly priced package that has been reduced to the essential core: the NF-S12B premium fan. Its industry grade SSO-Bearing bearing, over 150.000 hours MTBF rating and full 6 years manufacturer’s warranty make the NF-S12B redux a proven premium choice that provides trusted Noctua quality at an attractive price point. The extra slow 700rpm version is ideal for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation.
Details
Proven NF-S12B design

Proven NF-S12B design

Tens of thousands of quiet cooling enthusiasts around the globe swear by Noctua's classic NF-S12B. Thanks to its impressive quietness, excellent performance and impeccable quality, the NF-S12B has become an established reference for quiet 120mm fans.
Streamlined redux edition

Streamlined redux edition

The redux product line reissues some of Noctua's most popular, award-winning models by presenting them in streamlined, accessibly priced packages. All redux edition products are industry proven, time-tested models that helped to found Noctua's reputation as a first-tier supplier of premium grade low noise cooling equipment.
Designed for efficient case ventilation

Designed for efficient case ventilation

Typical PC case ventilation applications require high airflow but only medium static pressure. The NF-S12B has been specifically designed for high airflow efficiency and low noise in order to provide best results in these so called low impedance applications.
Bevelled Blade Tips

Bevelled Blade Tips

Reducing critical rotor stator interaction, Bevelled Blade Tips permit to combine extended leading edges and a higher blade surface area with quieter operation and thus form a cornerstone of the fan's outstanding efficiency.
SSO-Bearing

SSO-Bearing

Combining the proven concept of hydrodynamic bearings with an additional magnet that supports the self-stabilisation of the rotor axis, Noctua's time-tested SSO-Bearing technology has become synonymous with supremely quiet operation and exceptional long-term stability.
Optional accessories

Optional accessories

Users can choose from Noctua's wide range of optional accessories such as anti-vibration mounts, Low-Noise-Adaptors, y-cables, 3:4 pin adaptors or extension cables to upgrade redux edition fans according to their individual needs.
6-year manufacturer’s warranty

6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the redux edition models feature an MTBF rating of more than 150.000 hours and come with a full 6-year manufacturer’s warranty.
NF-S12B redux-700
FAN Specification
Size
120x120x25 mm
Mounting hole spacing
105x105 mm
Connector
3-Pin
Bearing
Rotational Speed (+/- 10%)
700 RPM
Acoustical Noise
6,8 dB(A)
Static Pressure
0,44 mm H₂O
Max. Input Power
0,6 W
Max. Input Current
0,05 A
Voltage
12 V
MTBF
> 150.000 h
Scope of Delivery
  • Fan
  • 4 Fan Screws
Warranty
6 years
NF-S12B redux-700
Video Reviews
The following video reviews have not been created by Noctua. Responsibility for the information and views expressed in the videos lies entirely with the authors.
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28.06.2016 // HardwareSfera.com
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NF-S12B redux-700 Review

Nos hemos encontrado con una gama de ventiladores con toda la calidad y garantía de Noctua pero con un precio mas asequible que lo hace una opción interesante para todos los usuarios. Ademas el uso de los cancamitos de goma es increíble y reducen algo mas su nivel sonoro y sus vibraciones.
Test verdict: "Con todo esto dicho creo que si lo que buscas son ventiladores para refrigerar tu caja, deberías tener muy en cuenta la gama Redux de Noctua, y deberías saber que sus precios son entre 10 y 20€ dependiendo del modelo, algo que sin duda gustara a muchos usuarios que aun tienen en mente que Noctua es una empresa con un catalogo muy caro de componentes." (Marco Antonio Ramirez, HardwareSfera.com)
21.06.2016 // strong-player.com
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NF-S12B redux-700 Review

Todos os ventiladores são feitos para fornecer o equilíbrio das maquinas em que são aplicados. Estes são dispositivos com muito bom nível de desempenho e o ruído presente nestes dispositivos só se faz sentir nos modelos NF-P14r e NF-P14s quando estão no seu desempenho máximo. Num esquema normal de 4 ou 5 dispositivos de refrigeração não haverá quase hipótese de haver ruído pois os sistemas de refrigeração da gama Redux são muito bons e cumprem o seu objetivo com distinção. A nível de desing, a gama Noctua Redux conta com um esquema de cinzas (escuro e claro), o que me parece muito bem. Estes dispositivos dão um ar de metal, apesar de sabermos que os artigos são feitos de plástico. Achei interessante o aspeto final do interior do computador quando apliquei a maioria das ventoinhas de refrigeração no meu computador, ficou com um aspeto muito bonito.
Test verdict: "A nossa equipa recomenda estes equipamentos e o utilizador não sairá desiludido com eles." (Bruno Costa, strong-player.com)
27.05.2016 // Passion-Hardware.com
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NF-S12B redux-700 Review

La série redux se situe en entrée de gamme. Noctua a développé cette série en reprenant ses modèles phares et en les repensant pour qu’ils soient donc plus intéressants auprès d’un public au budget serré. Le pari est gagné, les ventilateurs conservent la qualité Noctua. Elle se démarque également par les couleurs que Noctua a utilisés : Gris clair et foncé, pour rappeler le contraste classique de la marque tout en donnant un nouvel aspect visuel.
Test verdict: "Noctua a joué une très bonne carte en sortant une série d’entrée de gamme qui va intéresser les gens au budget serré ! Le produit est toujours d’aussi bonne qualité et s’offre le luxe de changer de code couleur. Les teintes plus neutres des redux seront plus facilement intégrables dans un grand nombre de boitier." (Alessandro Gallo, Passion-Hardware.com)
26.05.2016 // Turkchip.com
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NF-S12B redux-700 Review

Noctua firması tüm dünyada, çok kaliteli soğutma ürünleriyle oldukça iyi tanınan bir firma. İncelememizdeki Noctua Redux fanlar firmanın bütçe odaklı kullanıcılara yönelik ürettiği fanlar. Yeni Redux ailesi, Noctua’nın yeni tasarımlarından bir tanesi ve alışık olduğumuz Noctua renklerinden farklı olarak siyah/gri renk tasarımı ile şık, modern ve daha uygun fiyatlı ürün gamında yer alıyor. 14cm, 12cm, 92mm ve 80mm boyutlarındaki Noctua fanlar NF-P14s, NF-S12B, NF-R8 olarak isimlendirilmiş. Bu fanların PWM özelliğinde olan da var olmayanda var. O nedenle fanların Noctua Redux Fanların Teknik Özelliklerini bir göz atalım.
Test verdict: "Özetle; Alışılagelmiş mükemmel Noctua kalitesi, Redux serisi fanlarda da devam etmektedir. Çok sessiz çalışma, şık görünümü, yüksek hava üfleme değerleri, yüksek malzeme ve üretim kalitesi ile 150.000 saatten fazla kullanım ömrü ve tam 6 yıl garanti süresiyle Noctua Redux serisi fanlar Turkchip Silver Award ödülünü hak ediyor." (Murat Yildirim, Turkchip.com)
15.03.2016 // EnosTech.com
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NF-S12B redux-700 Review

The Redux range of fans aims to have something available for everyone. They come in multiple sizes, all with 3-pin and 4-pin options and their unique design allows them to offer a great deal of airflows with the least amount of noise they can. Obviously, the higher the RPM, the noisier the fan will be but unfortunately for us, smaller fans will need this to output a sufficient amount of air. The Redux range is also designed to help cool cases and/or radiators thanks to their unique design. During my testing, I was blown away by the amount of airflow they created and the 120/140mm fans while audible, weren’t overly noisy or irritating. Noctua is known for performance and the Redux range is nothing short of Noctua’s reputation.
Test verdict: "There is no denying that the Noctua Redux range of fans has a unique look to them, both in colour and the shape of the fan blades. Noctua has long been known to offer some of the best cooling products on the market and they have not let us down with their Redux offerings." (Ben Enos, EnosTech.com)
09.03.2016 // SmallFormFactor.net
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NF-S12B redux-700 Review

The Noctua Redux and IndustrialPPC ranges add a much needed customisation to their range. Of course, the Redux fans are of an older design, and the performance may suffer as a result. However, the greys of the Redux and the black of the IndustrialPPC range enables system builders to more thoroughly theme their build and thus the sacrifice in performance or price may be considered worth it. The IndustrialPPC range also adds a ruggedness that some systems will require – water and dust resistance will enable significantly longer lifetimes with a higher MTBF.
Test verdict: "The usual Noctua product quality is still to be found here, and these fans are well worth considering for your system. Though the IndustrialPPC (and, let’s face it, the standard Noctua product line) remain quite expensive for the functionality they provide, the Redux line brings excellent acoustics and performance to more accessible price points. And as for the IndustrialPPC fans, we get the feeling that many enthusiasts will happily look over the price point in the quest for the best." (John Morrison, SmallFormFactor.net)
02.03.2016 // InformaticaValse.com
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NF-S12B redux-700 Review

Esta gama actualiza y rediseña los modelos más populares y reconocidos por la comunidad, creando de este modo un conjunto de ventiladores completos y muy minimalistas, guardando detalle en cada uno de los componentes utilizados para crearlos. Cabe destacar que todos ellos cuentan con una garantía directa del fabricante de 6 años.
Test verdict: "Tras analizar esta serie Redux podemos decir que nos encontramos ante un conjunto de ventiladores, sea cuál sea la aplicación que le busquemos, eficientes tanto en cuanto a rendimiento como a sonoridad. Noctua de siempre ha sido una compañía que hemos seguido de cerca y nunca nos ha defraudado, sin duda con estos ventiladores aseguramos un óptimo enfriamiento de nuestro sistema. Además en toda la serie contamos con una garantía de 6 años directa con el fabricante." (Ancor Ojeda, InformaticaValse.com)
20.01.2016 // WeTech.fr
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NF-S12B redux-700 Review

Heureusement ce sont des ventilateurs PWM, peut de chance donc qu’il tourne à 100%, je les utilise depuis 1mois maintenant et j’en suis très satisfait, pour moi le silence est d’or et je n’ai absolument rien à leur reprocher.
Test verdict: "Les Redux de chez Noctua sont de bons ventilateurs s’adressant à des personnes qui cherchent des ventilateurs silencieux et performant sans vouloir dépenser trop d’argent, 25 à 30%moins chère que les ventilateurs « premium » vous ne serrez pas déçu" (Joshua Martinelle, WeTech.fr)
17.12.2015 // HardManiacos.com
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NF-S12B redux-700 Review

Tras haber analizado a fondo 5 ventiladores de la nueva gama Redux de Noctua, podemos decir en primer lugar que Noctua ha hecho un buen trabajo en cuanto a diseño, innovando con nuevos colores. La presentación sin accesorios acompañantes de estos ventiladores Noctua Redux se presta muy elegante y limpia, aunque algo escueta. Los ventiladores en sí tienen un diseño muy cuidado, con tamaños y caracteríticas propias que los hacen más o menos adecuados para refrigerar cajas, CPUs o disipadores. Todos los ventiladores Noctua Redux se caracterizan por ser silenciosos y contar con el sistema PWM IC, y en efecto, en nuestras pruebas hemos apreciado su baja sonoridad aun estando a máxima potencia. El flujo de aire que ofrecen resulta adecuado, aunque éste va a depender del tamaño del ventilador, y en cuanto a rendimiento, hacen bien su trabajo;
Test verdict: "[C]on lo que concluimos que los ventiladores Noctua Redux son unos excelentes ventiladores que apenas se notan funcionando casi al máximo de potencia y que tienen un gran flujo de aire, haciendo bajar de forma rápida la temperatura dentro de la caja y de la propia CPU." (Isabel Fernandez Aldariz, HardManiacos.com)
18.11.2015 // Plexus Hub
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NF-S12B redux-700 Review

Obviously in our review we’ve attempted to show how you can use the Redux range, because we feel more people should enjoy the incredible cooling performance and inaudible sound whilst operation. These are a beautiful example of brilliant engineering, and Noctua’s flawless reputation shines through from the moment you get these out of the box, to the moment you install them in your system.
Test verdict: "Wrapping this review up, I would like to say a big thanks to Noctua for sending me these products, it has been a blast reviewing the Redux Range. And we have decided that Redux will be making a return as our standard case fan for all future reviews, because we recommend them that much." (Jamie Fuller, Plexus Hub)

Information Sheet (PDF)

How can I check if my 4-pin fan header supports PWM?

Some mainboards feature 4-pin fan headers that actually don‘t use a PWM signal on Pin 4 to control the fan speed but rather reduce the voltage on Pin 2 (like a standard 3-pin fan header). As the fan speed at minimum voltage is usually higher than the speed at 20% PWM duty cycle, the fan can not reach as low minimum speeds under voltage control as under PWM control. Please refer to your mainboard manual to check whether or not your mainboard has 4-pin fan headers that control the fan speed by reducing voltage on Pin 2 rather than by changing the PWM duty cycle on Pin 4:

4 pin fan header types

Note that mainboard manufacturers use different terms to indicate that Pin 4 is not being used for PWM control (e.g. “+5V”, “VCC” or “NC”), but if one of these terms is used, you can be sure that the fan header does not support PWM. If Pin 4 is described as “Speed Control” or “PWM” or the like, you can be sure that the fan header supports PWM.

Unfortunately, the description of Pin 2 is not always a clear indication as some manufacturers use terms such as “Fan PWR” or “Power” for both types of fan headers. However, if Pin 2 is described as “Speed Control”, you can also be sure that the fan header does not support PWM based speed control. If Pin 2 is described as “+12V”, this is a clear indication that the fan header supports PWM.

Please also note that in some cases, the descriptions of the pin layouts in the mainboard manuals may not be correct and some models actually allow you to switch the fan headers from voltage control mode to PWM control mode in the BIOS even though the pin descriptions do not indicate PWM support. We thus recommend to look for these options in the BIOS before taking other measures. In case of doubt, please contact your mainboard manufacturer.


If your mainboard features other 4-pin fan headers that use PWM for speed control, you can run multiple fans from these headers using Y-split cables. Make sure not to exceed the specified maximum power draw of the fan headers (usually 10-12W) though.

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