Features:

  • Premium quiet fan, 120x120x25mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.6 dB(A), >150,000 h MTTF
  • Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators
  • 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 2000rpm maximum speed (1700rpm with supplied Low-Noise Adaptor)
  • State-of-the-art engineering (AAO frame, Flow Acceleration Channels, record tight 0.5mm tip clearance) and construction (Sterrox LCP material, metal-reinforced hub, metal bearing shell, etc.)
  • Includes anti-vibration mounts, radiator gasket, fan screws, extension cable and y-cable for running two PWM fans on the same header
Low-noise adapter? You won't need it.

I don't know why Noctua even bothers with a low-noise adapter for this fan, since it's quieter at 2,000 RPM than my 140mm industrialPPC fans at half that speed. It replaced two -- yes, two -- NF-F12 industrialPPC 120mm in push-pull on a Scythe Mugen 5, cooling a Ryzen 5 1600X (4.03 GHz/1.39375V) and maintaining about the same all-core load temperatures (58.8 degrees Celsius with 23 C ambient) as the previous setup. The main difference here is noise; you can only imagine how loud a pair of NF-F12s is at near full speed. I can't even hear the NF-A12x25 at full RPM. I could run it at 2,000 RPM all the time and not bother with the PWM adjustments, but there's no need to work the fan that hard. Also notable is the mighty effective air pressure this fan produces. It has no trouble forcing air through the Mugen 5's fin stack, which of course helps heat get out of the heatpipe system as quickly as possible. The speed at which my CPU returns to idle temps from full load temps is breathtaking; not only does this fan keep load heat well under control, but it dissipates that heat just as soon as the processor is done crunching whatever it was crunching. As a result, it makes my whole system even quieter as the PWM-controlled case fans spin down in a hurry too. So, there you have it. A fan so quiet, so powerful, it makes the other fans in your system less noisy. Noctua has managed to out-do themselves yet again.

Here comes a rave review.

tl;dr Sure it comes in poop-brown, but it has killer performance and has a slick design to boot? Sign me up. So I bought a D15 ignorantly, not knowing the front fan wouldn't clear my tall-as-my-forehead RAM, so for awhile I was only using only fan in the middle in push configuration. Meh, not so good. Then I see these fans in Computex vids and was struck by the design. Man these things look sweet. If they perform well, that'll be a bonus to me, and BOY does it perform well. It comes with all sorts of adapters, but my D15 had all the ones I needed anyhow. Slapped that bad boy on and dropped my load temps by 5C without adding any perceivable noise. N i c e. I'm looking forward to the new U12S with two of these bad boys on there. Three words, sign me up, dawg. Four words.

May not be worth the price to some. Worth every penny to me!

Finally the wait is over! Cools better than the NF-F12 and is noticeably quieter. Replaced 2 NF-F12 fans that were on my NH-U12DX i4 cooler. Couldn’t be happier, the F12 hum is gone! The extra cooling is just a bonus! I will say that scilence is priceless to me. If you already have NF-F12 fans and you are happy with them, it may not be worth the upgrade to you. I saw a 3C drop in average core temp from stress testing. $30 per fan for a few degrees cooler may not be worth it to some people. But the drop in noise level was well worth it to me. This is by far the best quality fan I have ever seen. It just feel sturdy and solid. This fan makes my F12 and P12 fans feel cheap, and those are high quality fans!

Near silent operation at full speed with loads of air pressure

Finally! The successor the the Gentle Typhoon. I've always liked noctua's quality products, but in high static pressure situations like heat sinks and radiators, they have always performed poorly. Well, not this time. This new fan is superb, and definitely shares more than a passing resemblance to the dead king. The price is a bit high, but I'm hoping the motor and bearing lifetime make up for it.

Super Quiet!

Wow these things are quiet! They're replacing Corsair ML120 Pros, which are hard to beat. But these are better! If you are reading the other reviews confusing static pressure and airflow, let me help with a car analogy: static pressure is like torque, and airflow is like horsepower. These fans have great static pressure, allowing them to reliably pull air against things that make it harder like radiators, filters, and when close to the sides of the case. They are not made to move tons of air really fast. If you want that, then get a fan that's more airflow optimized. They do, however, move plenty enough air to do all the cooling I need. Mine are installed in a Ncase M1 behind a radiator and they're practically silent and cool very well. Definitely worth the price tag. Generally speaking, if the fan has more blades closer together then is a static pressure fan and if it has less blades that are further apart then it's an airflow fan. You're welcome!

Really Great fan.

A bit of history here, I personally strive for a quiet computer I love not hearing my computer. I haven’t gone so far as doing a custom loop but my cpu is cooled via AIO and my GPU is a hybrid. This fan is fantastic. Running PWM at 50% which is around 1,300 RPM for me I can barely hear it, lower RPMs and it’s silent. Also the amount of air this thing moves is impressive. I’ve only purchased one so far but I was previously using an NF-P12 and this new NF-A12x25 does a better job at moving more air and also being quieter. I think it’s worth it but others might not. If you are not running Noctua I would say it’s 100% worth it but others that already have Noctua might not feel it’s a huge different. I am someone that easily enjoys spending extra money for a couple less dBs. As always built quality is amazing, you really get a sturdy fan of the highest quality. Packaging is top notch and it comes with all the accessories you could think of. Love their products and will continue to buy them in the future.

Noctua really delivered on this fan

Wow. I was curious to see if this fan was as good as they claimed, so I bought one to test out on my NH-U14S cooler. It absolutely outperforms the included (and larger) NF-A15 PWM fan. Now don't get me wrong, that fan is a really good one as well, but it has nowhere near the amount of static pressure this NF-A12x25 offers. Typically the higher the static pressure, the better it performs in restricted spaces (like CPU coolers and radiators). I also replaced the standard four corner anti-vibration pads, and installed the included NA-AVG1 gasket (which is supposed to work better for dense fins) that is shown on page 1 of the user's manual. I run this new fan at 1200 RPM (it can go up to 2000 RPM if you want it to), and I can't hear it at all, and it keeps my i7-6700k between 38c - 51c while I stress it by doing Folding@Home 24/7. With the NF-A15 PWM fan, my CPU temperature would climb to about 58c at times.

I would buy more anytime.. Wait, I WILL buy more

These fans are simply amazing. They are not as silent as other fans like the P12, but its expected as these can run faster. However, when you put them side by side at the same RPM, the noise is about the same, but the performance of the new NF-A12 is just better. I have a very demanding rig, with a Silverstone Raven RVZ01 mini itx case with a 8086K @4.7 ghz, cooled by a Cryorig C1, and have been using a NF-F12 PWM for almost a year now (never used the fan that came with the Cryorig), and another two NF-P12 PWM for the 1080 graphics card on the other side of the case. The 8086K proved to be quite difficult to maintain cool while gaming, and it usually reached about 78-80°C when using the NF-F12 controlled with PWM by the Asus Z370-i strix itx MB. Now, with the same PWM setting (turbo mode), the cpu barely reaches 72° C while gaming. Thats about 6-8°C drop!!! Now, I have to say even if the PWM setting of the fan controller is called turbo, the PC can barely be heard, and the WD Blue 1TB is louder than all the 6 fans COMBINED (1x NF-A12, 2xNF-P12, 2x EVGA FTW 1080 fans, 1x Silverstone SX700LPT fan). When I put all 3 Noctua third party fans (I mean, not touching any setting from the included fans of the VGA or PSU, which are not even running because all the good work Noctua fans are doing) at the 100% setting, you can here the noise, but the CPU runs not hotter than... wait for it... 65°C !!! Thats about 15°C drop! And let me remind you, this is a Mini ITX build with a really really cramped case! I love Noctua. I would buy more of these NF-A12 to put them everywhere. Wait, I WILL buy more, I need more of these. PC Specs: Case: Silverstone RVZ01 PSU: Silverstone SX700 LPT, 700w SFX-L power supply. VGA: EVGA FTW 1080 CPU: Intel i7 8086K MB: Asus Z370-i strix itx Storage: Samsung 970 pro 1TB, Samsung 860 evo 250 gb, WD Blue HDD 1 TB Cooler: Cryorig C1, ALL NOCTUA FANS Monitor: Dell S2716dg 144 Hz gsync 1440p (the reason everything runs so hot while gaming)

Peerless performance and priceless value

Update 04-14-2019: The circumstances of my build have changed. I have converted out to an open loop with (2) 480mm x 60mm radiators and in pull only configuration I use the NF-A12x25 PWM fans to handle to air movement. I have two more NF-a12x25 fans as separate exhaust and @ 900rpm on my loop, my 2700x and 2080 Ti are silently cooled. These fans are truly amazing in noise for flow with these thick 60mm radiators, particularly in the 700rpm-1,300rpm range. I can barely hear all 10 of them from 3 feet away @1,200rpm but at 900 they are truly inaudbile and keep the 2080Ti @ 2,115MHz and 43°C in any load indefinitely. For applications where the lowest possible noise for air moved through radiators is required or desired, look no further. I couldn't stand the AIO pump noise from the NZXT Kraken x62 on my Ryzen 2700x build. After listening to a couple of other systems with the EVGA CLC280, Corsair H115, and H150 I determined that my ears are just tuned to pick up water pump noise. So the next step was the best air cooling solution I could find: The Noctua NH-D15 SE-AM4. With my case the stock NF-a15 fans for that heatsink assembly wouldn't clear both the ram and the case side panel. Thanks to some reviews for this fan along with Noctua saying it was a compatible match, I decided to try these fans for the heatsink in order to keep the twin fan capability. I also opted to replace my (7) NF-A14 PWM case fans with (6) NF-A12X25 fans. I was intrigued by the development cycle and the promise of excellent low mid-range to high mid-range rpm pressure and flow rate. These fans deliver in a way the fringes of my hopes dared to imagine possible but didn't actually expect to exist. With the NH-D15 SE-AM4 I obtain the same boost clocks with only a 2c penalty in Prime 95 small FFT or Folding@Home CPU work units vs. the NZXT Kraken x62 with push, pull or push/pull NF-A14 fans. Where the kraken required the fans spun up enough to be audible from 3 feet away and on par (by ear) with the AIO pump noise to achieve the reference level of cooling the NF-A12x25s lose 2c at 950rpm: they are not audible without my ear in direct contact with the case. Best of all, I am running the AMD Ryzen 2700x at 4.1ghz all core under Prime 95 or F@h CPU and hitting 66c worst case scenario and the computer is completely silent at the seating position 3 feet away. This is well within temperature guidelines from AMD, at a significant boost over advertised all core boost clocks that is sustainable indefinitely and while having a total CPU and SOC combined 130 watts of power used. The pure silence and the temps at full load wouldn't be possible any other way. I tried. The Sterrox polymer based NF-A12x25 is a triumph in design and execution whose value is priceless and performance is peerless.

These are GREAT!

Hands down the best fan they have released. Honestly love these. They are pretty quiet even at full 2000rpm. You can definitely hear them. But compared to others at the same RPM they aren’t that bad. I generally keep them around 900-1400rpm and i cant hear them. Great airflow for the real world situations to use them in. I had to use one on my D15s due to my ram height and smaller ATX case. But it makes it look good. Preformes really well. Great temps. Purchased 6 of these and I’m very happy. Thank you Notuca

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