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Noctua 120mm, Anti-Stall Knobs Design,SSO2 Bearing PWM Case Cooling Fan NF-S12A PWM

by noctua
| 2 answered questions

List Price: $39.75
Price: $19.99 & FREE Shipping on orders over $35. Details
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  • The NF-S12A features the third evolution of Noctua's classic Straight Blade Design that has earned its S12 series countless recommendations from hardware journalists and enthusiasts around the world.
  • The NF-S12A's Anti-Stall Knobs reduce flow separation phenomena in medium to high impedance situations n thereby increase the fan's stall margin, that is even more versatile than its renowned predecessor .
  • Noctua's AAO (Advanced Acoustic Optimization) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.
  • Noctua's Stepped Inlet Design adds turbulence to the influx to facilitate the transition for laminar flow to turbulent flow, that reduces tonal intake noise, improves flow attachment, incur suction capacity, especially in space restricted environments.
  • Integrated Anti-Vibration Pads made from extra-soft silicone minimize the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems.
  • Supporting fully automatic PWM speed control, NF-S12A PWM uses Noctua's novel, custom designed NE-FD1 PWM IC that integrates SCD tech. By providing smoother torque impulses, SCD suppresses PWM switching noises, thus makes the fan quieter at low speeds.
  • The NF-S12A PWM is supplied with a Low-Noise Adaptor (L.N.A.) that reduces the maximum fan speed from 1200 to 900rpm. The L.N.A can be used either to run the fan at a fixed speed of 900rpm or to cap the maximum speed when using automatic PWM control.
  • With the tips of the fan blades sloughing thru the Inner Surface Microstructures' the boundary layer, flow separation for the suction side of the blades is significantly suppressed that reduced blade passing noise n improved airflow n pressure efficiency.
10 new from $18.99 1 used from $17.99

Frequently Bought Together

Noctua 120mm, Anti-Stall Knobs Design,SSO2 Bearing PWM Case Cooling Fan NF-S12A PWM + Noctua Fan NF-F12 PWM Fan with Focused Flow SO2 Bearing Retail + Noctua 140mm Premium Quiet Quality Fan with AAO Frame Technology (NF-A14 PWM)
Price for all three: $62.48

Buy the selected items together


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  • Buy Used and Save: Buy a Used "Noctua 120mm, Anti-Stall Knobs Design,SSO2 Bearing...” from Amazon Warehouse Deals and save 54% off the $39.75 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.

Product Details

  • Product Dimensions: 8.5 x 1.5 x 6 inches
  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00BEZZBFO
  • Item model number: NF-S12A PWM
  • Average Customer Review: 4.9 out of 5 stars  See all reviews (39 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: March 15, 2013

Product Description

The NF-S12A marks the third generation of Noctua's signature S12 series quiet case fans, which have received more than 250 awards and recommendations from the international press. Featuring a further refined blade design with Anti-Stall Knobs that works in tandem with the new AAO (Advanced Acoustic Optimization) frame, the NF-S12A improves the airflow/noise efficiency of its renowned predecessor by up to 8%. The PWM version sports Noctua's custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 1200 to 900rpm. Its superb running smoothness, SSO2 bearing and Noctua's trusted premium quality make it an elite choice for quiet case cooling.

Customer Questions & Answers

Customer Reviews

4.9 out of 5 stars
5 star
35
4 star
4
3 star
0
2 star
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1 star
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See all 39 customer reviews
They're super quiet.
J. Johnson
I'd rather have fans that I know will be great at airflow/noise and not be as attractive as some other fans than vice-versa.
MOAR COARS
Even at higher speeds, the fans are still quiet.
John A Butler

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Tainted on November 14, 2013
Verified Purchase
I reserve 5 stars for truly stellar products. I give 4 stars to great products. THIS THING IS QUIET!!! I replaced the Antec Tricool 120mm fan in my P183 case. No comparison.
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4 of 4 people found the following review helpful By Kristofer Brozio on March 29, 2013
I put this fan up against the Noctua NF-F12 which as running at 1500RPM, but the NF-S12A runs at 1200RPM and it produced better results at a slower speed.

So here we have a fan that can run considerably slower than others but yet produce the same or better performance results, I'd say that in itself is a pretty good reason to get one.

The Noctua NF-S12A PWM fan is very much worthwhile especially if you value performance and silence as it offers a balanced combination of both.

Overall I'm impressed with the NF-S12A, it offers excellent cooling performance at slow speeds. The fan can work great to keep your CPU cool or you could use it with a radiator or just as a regular case fan.

The cable of the fan is rather short, but you usually don't need a long cable if you're using it with a CPU cooler. The short cable is good for this instance. If you're using the NF-S12A as a case fan the short cable isn't so good, but Noctua was kind enough to include an extension cable for just such an occasion.

Noctua also included a `Y' adapter so you can quality and easily connect two fans, as you might on a CPU cooler, to just one fan header.
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9 of 12 people found the following review helpful By MOAR COARS TOP 1000 REVIEWER on July 31, 2013
I'm pasting this review from my website but you will have to go to my website in order to see the benchmark results because I cannot put pictures in Amazon reviews. I posted the link in the comments because Amazon doesn't allow URLs in reviews.

Noctua has become one of the most popular companies in the cooling market and every enthusiast knows their products when they see one because of the color scheme that they use. The NF-S12A PWM is Noctua's third generation fan but there are also two other variations of the S12A series case fans, the ULN and FLX. These three variations are the new fans from Noctua and they are part of the S12A series fans. According to Noctua, they are 8% better than its predecessor thanks to the many new features such as the anti-stall knobs and the AAO (Advanced Acoustic Optimization) that can drastically improve the airflow/noise efficiency of your case.

All three variations of the S12 series fans come with a 6 year warranty and with a MTBF of 150,000 hours. They also use Noctua's SSO2 bearing with metal bearing shell. The rear magnet is placed closer to the axis to provide better stabilization and durability thus creating less noise. The metal bearing shell is made from CNC milled brass that delivers long term stability and durability.

The NF-S12A PWM model runs at a maximum of 1200 RPM with an airflow rating of 107.5 m3/h. It comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 1200 to 900rpm. It also comes with Noctua's custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers.

+Packaging:

The packaging has a matte finish and feels very well in hand.
Read more ›
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2 of 2 people found the following review helpful By Hman on January 4, 2014
Verified Purchase
Using this for exhaust on my case. Moves a lot of air an is very quiet. Only niggle is price of course (and the color)
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2 of 2 people found the following review helpful By mr. t on March 14, 2013
Verified Purchase
Got 2 of these for my 240 radiator. WOW . . what a difference . . around 10 - 12 celciius actually. on 50- 60% RPM, it's inaudible.
Around 75% i can start to hear it a bit inside my swiftech 820 case. at 100% during stress test it's just a little louder than the pump but still not annoyingly so.
love the accessories it came with: y-cable, extension cable, low noise adaptor. I can see some people needing the extension cable as the connector wire on the fan was almost exact for my setup.
All in all, you get what you pay for. Def plan on buying a few more. Not worried about making everything match inside my case. So if the noctua clolor scheme annoys you, I guess you could always paint the fan as some people have done or just buy another fan of your liking.
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1 of 1 people found the following review helpful By Robert Guyer on March 27, 2014
Verified Purchase
Best fan I've ever bought for my PC. I have 5 of these on my system now and it is whisper silent even with an overclocked i5 3570K and a GTX 780 TI.
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1 of 1 people found the following review helpful By VINCENT WILYARD on December 23, 2013
Verified Purchase
I used 4 of these to replace the large case fan on my HAF X. The PWM feature allows the motherboard to control the fan speeds without the need for a fan controller. So far they have been running smooth and quiet. Noctua will be my choice for computer fans from now and on.

Amazon shipped these out very quickly in the right sized box.
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1 of 1 people found the following review helpful By rgehres on December 1, 2013
Verified Purchase
Massive amounts of airflow, plus i can barely hear it, it is quite literally the perfect computer case fan for the size. The only downside i have with this fan is the rubber anti-vibration mounts are quite challenging to get on if you dont have a lot of space for your hands, however its definitely worth the effort.
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