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Fan - 120x120x25mm, 300/1200rpm, 10.7-17.8 dB(A), special blade design
incl. VAT £15.90
excl. VAT £13.25
Return products within 60 days £0.79 Possibility to return products within 60 days
In stock > 10 pcs
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Warranty 60 months Code:  CT255t1b Product Number:  NF-S12A-PWM
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Rated by 144 users
5 130x
4 8x
3 3x
2 3x
1 0x
2 000+ Customers Purchased
95 % Customers Recommend


The Noctua NF-S12A PWM fan uses the power of eleven state air rectifiers and seven integrated rotor blades. Thanks to these, it precisely directs the air output and is great for water cooling radiators or large processor tower coolers. It incorporates Noctua PWM control, which provides automatic speed control with very low power consumption. The fan is also equipped with second generation SSO bearings, offering an unprecedented average uninterrupted service life of over 150,000 hours (17 years!). All of this with outstanding performance, legendary quiet operation and all the great features that will be appreciated by true computer enthusiasts.

Metal bearing cover
In order to achieve the highest possible quality factory processes, Noctua uses only the best materials. The bearings are therefore hidden in a cap made entirely of brass. This guarantees among other things, a long service life and low wear.

Innovative PWM IC control with SCD
Noctua NF-S12A PWM supports fully automatic speed control. Its main advantage is Smooth Commutation Drive (SCD), which eliminates unwanted jumps and delivers quieter operation especially at lower rotation speeds. In addition, the fan comes with a Low-Noise Adapter (LNA) to reduce the maximum speed from 1200 to 900rpm. Resistance can be used both to fix the speed to 1200rpm and to reduce the maximum speed to 900rpm.

SSO2 bearings
Well proven proprietary Noctua bearings have been further refined to provide the quietest possible operation. Noctua NF-S12A uses these optimized SSO2 bearings. In the second generation, the rear magnet is located even closer to the axis and therefore offers better stability, precision and durability, which is aided by placing the bearing in a massive brass body.

Parameters and Specifications:

Bearing: SSO2 (second generation self-stabilizing oil bearing)
Frame Technology: AAO Frame (Advanced Acoustic Optimization)
Speed ??(Separately/ with LNA): 1200/900rpm.
Minimum speed: 300rpm.
Air flow (Separately/ with LNA): 107.5/ 83.2 m3/h
Noise (Separately/ with LNA): 17.8/ 10.7dB (A)
Static pressure (Separately/ with LNA): 1.19/ 0.73mmH2O
Max. Power input: 1.44W
Max. Current consumption: 0.12A
Voltage: 12V
Lifetime:> 150,000 hours

Dimensions: 120 x 120 x 25mm
Connector: 4-pole with PWM control

Standard Packaging:
Low-Noise Adapter (LNA)
4-pin Y-cable
30 cm extension cable
4 anti-vibration compensators
4 fan screws
By air Done!
Maximum speed
1,200 RPM Done!
63.27 CFM (107.5 m3/h) Done!
Maximum loudness
17.8 dB Done!
Speeds control
Automatic speed control Done!
Dimension type
Dimension type
120 × 120 mm Done!
25 mm Done!
More Specifications

This product is not an independently functional unit and may require professional installation.

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Specifications can be changed without notice. Images are for illustrative purposes only. Retail Price (MSRP) means the manufacturer's/supplier's suggested retail price.

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Rated by 144 users
5 130x
4 8x
3 3x
2 3x
1 0x
2 000+ Customers Purchased
95 % Customers Recommend
Zbyněk, Český Krumlov 16/06/2013
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I can not hear briefings hear anything :)
Twilight Sparkle 06/06/2013
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Cooler gelid Tranquilo rev. 2 I placed this fan. I estimate that up to 900 rpm is inaudible. Which for me is 100% spent on Windows. Other fans make different sounds, perhaps by motorcycle or deposits even at low speeds when you can not hear the airflow. Noctua is completely silent. I bought the same type of fan still only ULV and exchanged fan in the power supply. Kabel I brought them out from the source and joined the speed controller (Scythe Kaze Server). If the fan is hold at 500 rpm, it is inaudible when I increase speed, which is heard. Air current breaks on the plastic cover and a small space in the source.
inaudible to about 900 rpm PWM works great
Stanislav 02/03/2014
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Perfect as always. Noctua who has an older version, this transition would definitely recommend. PWM absolutely reliable. I speed up to max. 600rpm. In calm around 300rpm. Processing probably not worth describing. Also great. Just pack seems to me unnecessarily exaggerated. Cartons can be both from the front and from behind and open a peek at the actual fan / parameters. Just to clarify what I read here. This ventilator is primarily intended to airflow in the closet and not on the water radiators, the towers! So what can you take him to the radiator, then do not be surprised that neuchladí. It does not see such a static pressure. link.
Silent Efficient Reliable PWM Gear For me, nothing :-)
Viktor, Pecovska nova ves 24/06/2013
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Denis, Drahovce 04/06/2013
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Very silent millionaire pack Cons? no !!!
Peter, Píla 16/04/2013
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quiet, powerful, good accessories.
Andrej, Bratislava 06/05/2015
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  Rubbish color
Milan, Pelhřimov 27/10/2014
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Leader in the field. Perhaps the price
Customer 06/09/2014
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practice proven quality at a reasonable price
silent, efficient, low consumption a slightly higher price
David, Ostrava-Poruba 11/04/2014
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Desing nice, very quiet, a lot prislusenstvi wreckage price
123 ...
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