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Availability:
In Stock.
Arrives
Monday, Nov 2
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At a glance
- Condition
- New
- Size
- 120x120x25mm
- Model
- NF-A12x25PWM
- Weight
- 360 g
- Material
- Sterrox LCP
- Power Connector Type
- 4-Pin
- Voltage
- 12 volts
- In the box
- Item
- Warranty
- 6 year manufacturer’s warranty
- Works with
- Desktop
Features 5
- Premium quiet fan, 120x120x25mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.6 dB(A), >150,000 h MTTF
- Next-gen A-series design combines high airflow and high static pressure performance, ideal both as a case fan and for CPU coolers, watercooling radiators and AIO liquid cooling systems
- 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.)
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 2000rpm maximum speed (1700rpm with supplied Low-Noise Adaptor)
- Includes anti-vibration mounts, radiator gasket, fan screws, extension cable and y-cable for running two PWM fans on the same header
Description
Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality. The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua’s latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance. It takes state-of-the-art technologies such as the AAO (Advanced Acoustic Optimisation) frame or Flow Acceleration Channelsand combines them with a record tight tip clearance of only 0.5mm, which is made possible by using the novel Sterrox liquid-crystal polymer (LCP) compound as well as a metal-reinforced motor hub and axis for ultimate precision. Following the approach of Noctua’s A-series, the NF-A12x25 is a true all-rounder that yields superb results in all types of usage, regardless of whether it’s in low-impedance, airflow-oriented applications such as case cooling, or high-impedance, pressure-demanding scenarios such as on heatsinks and watercooling radiators. The 4-pin PWM version supports fully automatic speed control via PWM fan headers and comes with a Low-Noise Adaptor to reduce the maximum speed from 2000 to 1700rpm. Topped off with exceptional running smoothness, Noctua’s reference-class SSO2 bearing and a rich bundle of accessories, the NF-A12x25 is a premium-quality product through and through. Its superior efficiency, cutting-edge construction and pioneering materials make it an elite choice for the most discerning demands. Noctua’s 120mm fans such as the NF-F12 and NF-S12A are renowned as being among the best on the market and have received more than 400 awards and recommendations from the international press. With its further improved efficiency and novel, state-of-the-art engineering, the NF-A12x25 represents another step up in performance and manufacturing. The NF-A12x25’s impeller is made from Noctua’s novel Sterrox liquid-crystal polymer (LCP) compound that features extreme tensile strength, an exceptionally low thermal expansion coefficient and damping characteristics that are ideal for reducing resonance and vibration phenomena in advanced fan-blade designs. The NF-A12x25 has a record tight tip clearance (distance between the blade tips and the inside of the frame) of only 0.5mm. This highly ambitious design sets a new benchmark for 120mm fans and helps the NF-A12x25 to work more efficiently against back pressure, such as on heatsinks or radiators, by reducing leak flows through the gap between impeller and frame. The centrepiece of the NF-A12x25’s motor hub is made entirely from steel and the axle mount is reinforced with an additional brass structure. In combination, both measures ensure ultimate precision and increased stability in the critical hub area. The NF-A12x25’s sophisticated aerodynamic design allows for a pressure to airflow (P/Q) curve that is extremely strong in the critical mid-section. This means that the NF-A12x25 offers excellent performance in both static pressure demanding and airflow demanding applications.
Specs 22
| Product Dimensions | 4.72"L x 4.72"W x 0.98"H |
|---|---|
| Brand | Noctua |
| Power Connector Type | 4-Pin |
| Voltage | 12 volts |
| Cooling Method | Air |
| Noise Level | 22.6 db |
| Material | Sterrox LCP |
| Maximum Rotational Speed | 2000 rpm |
| Air Flow Capacity | 102.1 cubic meter per hour |
| Item Dimensions L x W x H | 4.72"L x 4.72"W x 0.98"H |
| Material Type | Sterrox LCP |
| Brand Name | Noctua |
| Item Highlight | High Airflow and Static Pressure Low Noise 25mm Thick Fan for Coolers/Radiators/Cases, Rich Accessory Kit, 2000rpm PWM |
| UPC | 901001810035 841501110399 |
| Global Trade Identification Number | 99, 96 |
| Number of Packs | 1 |
| Manufacturer | Noctua |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Item Weight | 360 g |
| Model | NF-A12x25PWM |
| Part Number | NF-A12x25PWM |
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View our full returns policy here.
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Similar Products
Top Amazon Reviews
Great Product.
Size: 120x120x25mm
The best fans today. Don't worry about the price. These babies will outlast your PC build. Quiet, efficient, well-built, & no bells or whistles (or LEDs).
Reviewed in the United States on August 27, 2026 by Salric
It's Noctua
Size: 120x120x25mm
This is actually too good for me. I bought two of these to put on the rear and bottom of my Raijintek Styx case. The build has a Tuf Gaming B660m-plus WiFi board and a 12700k CPU and no GPU card. I figured a CPU as hot as this is supposed to be would make keeping the case cool difficult even with my crazy Arctic Liquid Freezer II 240 AIO I also bought and left the stock fans on. Right out of the box these fans are hefty. There's some meanness just in holding onto it. Much heavier than I'm used to, no doubt about it. They exhibit a lot of weight just on the blades themselves. Give it a flick and notice how long it takes to stop. It's not quite a fidget spinner but closer than anything else I've tried that calls itself a computer fan. The cable sleeves are a nice touch. corner Bumpers are nifty. Not too hard to pop them off and install the included gasket thing that you can use to block all air from escaping around the sides (between the corners) (recommended for use on high pressure applications like Radiators). The included and pre-installed bumpers cause a gap of about 1mm all along the sides that some air could escape through otherwise. Another solution is just to remove the bumpers from the corners on the side that you will have against what ever it is this is going on. In theory that'll result in more noise but a tight seal is assured. The anti-vibration mounts are little rubber tubes that you can pull through the screw holes. the longer end goes through the fan all 25mm and sticks out the other hole. The shorter end you pull through the screw hole on your case or what ever. The ends of these are tapered, you pull hard on it until the wide part pops through. I wouldn't use that to mount it on a radiator. I didn't use them on the case either, but some might prefer it. I think this is ideal for a temporary install though. You can pop them back out, hopefully not breaking the tube off in the process and easily reuse elsewhere. These do stick out a ways. If you're gonna use it somewhere there's not room for the little rubber tube to stick out you can cut it off once you have it installed, but doing so will make a future installation using the same mounts more difficult as you no longer have anything to pull on. My setup lets the CPU package have 144 watts at all threads max load, 4.7ghz p, 3.6ghz e. The darn AIO which I have on top pushing air out is so mean it's keeping the whole case cool all by itself. Meanwhile, I can stop the fans on the AIO and these Noctuas are mean enough pushing air into the bottom and back of the case to passively cool the AIO's radiator, lol. My CPU idles around 72f, temp sensors on the Motherboard between 72 and 93f while doing light load tasks like web browsing. My case is cold to the touch. I put one of these on the other side of the radiator from the stock fan, set it to half speed then gave the stock fan a flick with my finger, it wasn't being powered. It got enough force from the Noctua all the way through the thick radiator to keep spinning, with the Noctua at half speed! This is one mean fan! I did find that if I put my ear right up against the back of the case with the rear Noctua spinning, I can hear the blades going by like you can hear if you go behind a box fan and hear if you talk through it. It's a rather obvious and loud pop every time one of those many blades go by. But at anything more than say 5 inches you can't hear that part of the sound at all. I have no trouble hearing these in the Styx case if I turn them above 40 percent but they really move an incredible amount of air even at low speeds, so if you need quiet, these can do it, just use the included LNA adapter or set the curve in the bios or using a third party program like Asus AI Suite III or Fan Ctrl. These are probably a good investment even if you will limit the speed because their pressure and airflow is so great. For my purpose, the cheaper Redux1700 option would have been fine. I put those on another build I did a while back and they work well there and are not noisy.
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Reviewed in the United States on April 22, 2022 by Aaron
They were all right, this is top of the line for sure!
Size: 120x120x25mm
I ordered 8 fans for my PC to switch out my old fans in my 2019 self-built, budget PC. All fans were replaced. The exhaust and intake, and for my new CPU air cooler (not noctua), the stock fans were replaced with these. After much research, the NF-F12 (pressure oriented) and NF-S12A (heavily airflow oriented/very low pressure), looked to be quite a sacrifice in performance over minimal price difference. AKA, the price:performance ratio wasn't worth it for me when it wasn't far from an A12x25 PWM. Spending $260 for some fans was painful, I'll admit. But when the mean time to failure rate for these fans is 150,000 hours or 17.1232877 *YEARS*, and their warranty is 6 years, my investment was made (felt) easier! First off: Noise Right before these fans, I had the redux fans installed (NF-P12 redux-1700 PWM) as my 3 - 120mm intake ones for about 2 weeks, before returning them for these A12x25 fans. And man, they were LOUD. Most of the games I play really heat up my PC (Flight sim, Star Citizen, Apex Legends), therefore my fans are often spinning on the upper side of their RPM range. These A12x25 fans at high speeds can be loud, but they have a nice white noise with acoustics that sound like they were thoughtfully engineered. Honestly, anything above 1500 RPM is noticeable. Going into this brand of fans, I had expectations wayyy too high and expected them to never make a single sound. This is definitely achievable with limiting their speeds or getting fans with ultra low noise, but that starts to cost your cooling performance. Good news though! When my PC is idling, I actually have the opposite problem where the fans are so quiet that my refrigerator hum is no longer opposed and is singlehandedly driving me crazy with its "weeerrrrrrrrrrrrrrrr". Performance: Genuinely noticeable. Both with temp sensor reading and especially holding my hand over the exhaust fans. Again, in my previous set up had budget Arctic fans and had an AIO cooler. Now, I have all A12x25 fans and a Thermalright Phantom Spirit 120SE heatsink. My temperatures on my CPU as well as my overall GPU temps have gone down a lot. Like by 10C or more. Even on my CPU when I used the stock cooler fans on the Thermalright vs noctua fans, noticeable difference in temperature and noise there. The performance to noise ratio is phenomenal, with some games like Minecraft, GTA V, and a couple other low power games, performing well without any fan noise! Price: You get what you pay for in life. And with this fan, you DEFINITELY get what you paid for. That price is an excellent representation of its worth. I just hate myself that I justified a $33 price point per fan, but I am so happy. Quality: Fans are heavy and feel like they were built carefully and beautifully. They come with a LARGE selection of addons included in the packaging like rubber "Screws", metal screws, pre-installed anti vibration pads around each corner, even an extra anti vibration sleeve to even further decrease vibration, a y-cable, extension cable, and low noise adapter supplies. All this included in a fancy package, with more packaging information then you could ever want to learn about with the fans. I don't know how I feel about having so many attachments, as I only used 2 y-cable and 2 extension cords. Which leaves me with about 36 unused accessories total. Which I will obviously not throw away, but doubt I will use any more for many many years to come. So I am torn on that large surplus of accessories but at least you get more than you need, rather than needing more than you have. Having 8 fan packages open on your floor will definitely require some space, so be tidy when you open them to prevent having a large organizational mess. Overall: This fan came out on May 2, 2018, and has yet to be superseded by a better Noctua fan nor any other brand. I sincerely doubt that an upgraded version will be substantially better in the near future. Just like with video game graphics, they are already fantastic and it takes a lot to improve it just a little. I feel like it may be the same with aerodynamics and fans. In the end, this investment is worthwhile and will last you for possibly decades with a performance that will be unlikely exponentially bested in the fan's lifetime. Do yourself a favor and start upgrading your PC fans. Start with intake first, then exhaust. Then consider your cooling systems too, but as they have the least amount of fans that make noise, I suggest starting with your case fans first in my personal opinion. The only regret you'll have is that you didn't buy these fans first.
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Reviewed in the United States on September 24, 2024 by Reviewer2331
Noctua NF-A12x25 PWM
Size: 120x120x25mm
I recently purchased the Noctua NF-A12x25 PWM Premium Quiet Fan from Amazon to use as a desk fan, and I couldn’t be happier with my choice. From the moment I set it up, I experienced a strong and quiet airflow that made my workspace much more comfortable. This 120mm fan operates incredibly quietly, even at higher speeds, making it perfect for maintaining a peaceful working environment. The build quality is outstanding, reflecting Noctua’s renowned engineering and attention to detail. The fan comes with a 4-pin connector, allowing for precise PWM control and the ability to adjust the airflow intensity based on my needs. Not only does it perform exceptionally well, but the distinctive brown color also adds a unique touch to my desk setup. It’s clear that Noctua has put a lot of thought into designing a fan that not only functions well but also stands out aesthetically. Overall, I’m extremely satisfied with the Noctua NF-A12x25 PWM fan. It delivers on its promises of high performance and quiet operation, making it an excellent choice for any application. I highly recommend this fan to anyone looking for a powerful yet quiet desk fan. Feel free to adjust any part of this review to better match your personal experience!
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Reviewed in the United States on May 25, 2024 by cha dong woon
README: Alienware ACT1250 TOWER
Size: 120x120x25mm
Be careful with the alienware ACT1250 tower. I have added 5 of these two this Alienware tower, replacing the four existing ones and adding one extra on the front. Now the system is so much quieter that it's actually lower than the volume of my TV under heavy load under performance mode and I can actually game on it now! The system also runs noticeably cooler than with the stock fans. While I did not yet replace the Nvidia GPU fans, they run noticeably quieter and those are the only fans that you can really barely hear. These are the best fans that I have ever used and I am very happy with my purchase! WARNING: IF ADDING AN ADDITIONAL FAN ON THIS MODEL OR OTHER ALIENWARE TOWER PCS, DO NOT CONNECT A SPLITTER TO THE FRONT (SYSTEM2) FAN AS IT WILL CAUSE A FAN ERROR ON STARTUP. INSTEAD, CONNECT A SPLITTER TO ONE OF THE TOP FANS WHICH ARE CONNECTED TO THE CPU PUMP AND THE SYSTEM WILL THEN BOOT UP NORMALLY. - YOU CAN STILL CONNECT AN EXTENSION CABLE TO THE FRONT FAN TO MAKE IT EASIER TO PLUG IN ALTHOUGH.
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Reviewed in the United States on April 30, 2026 by Michael A.
Quietest Fan on the Market--PERIOD!
Size: 120x120x25mm
I just built my screaming Ryzen9 beast of a PC with a dual 120mm Corsair AIO. I foolishly figured I could cool the volcano that is Ryzen9 with minimal noise on a dual radiator. Not only could I still hear a slight whooosh from the stock Corsair fans at their lowest controllable PWM speed, but the CPU temps floated at 47-52C idle. I tuned up my fan curves to keep things relatively quiet, but anything over 400rpm on the stock fans was audible. Worse yet, when I blasted the CPU with some full load tests, the case damn near took off and flew out of the room. Temps settled at a max 72C, but the fan noise was punishing. It is rare that I will ever get a full 24core load like that, but... I still have to know the limits of my system, right? Annoyed... I hit Youtube. Linus always uses Noctua fans and I kind of figured that was just product placement, not really performance based. How much better could Noctua fans really be...? The Amazon reviews just seemed like an exercise in cognitive bias: "Well I paid $100 to swap all my fans to Noctua, so they must be better... duh!" I've been building PCs for 20 years and I have always tried to stay away from 120mm fans in favor of larger 140mm (or even 200mm when my cases allowed). Bigger fan = slower speed & less noise for the same amount of air. At least, so I thought...I swapped the two front 120mm fans on the AIO for these glorious NF-A12's and I was shocked at the difference. SHOCKED I TELL YOU! Before I modified any of my fan curves, I noticed the idle temp average dropped about 2C--no tuning changes, just the new fans. However, that was running the AIO fans in the 400RPM range. I played with the PWM and discovered that anything under 1000RPM these A12's are pretty much inaudible. Therefore, I picked my idle setting up to ~800RPM. I can't hear a damn thing sitting at my desk, BUT... my idle temps are down to 38-42C. All I hear is the gentle whine of the AIO pump on its lowest setting. Seriously, its absolutely amazing how quiet these fans are. I honestly got down on my hands and knees to figure out if the fans were even spinning! Not until I had my ear 6" from the case could I hear anything. Fantastic. I swapped my top exhaust fan for a NF-F12, which is also pretty quiet, but I wish I had spent the extra $10 for another A12. This is not only because the A12's are even quieter, but their minimum PWM setting seems to be closer to 20% and I can't seem to control the F12's with less than 36%. For me this is fine because at anything below 50%, the F12 is also basically inaudible. However, if I was trying to truly build a ZERO noise box, I would want the lowest minimum duty cycle possible on the fans. The short story is this... I am a full Noctua convert now. I will NEVER build a PC with anything but A12's--until Noctua comes out will something better! I hate the color, but love the performance. I was really considering dropping down to a Ryzen7 just because I didn't like the high idle temps I got with fans tuned down to a tolerable whine, but not anymore! Quieter rig and 8C lower idle temps? Yes please! These fans are so worth the $30 each, it sickens me.
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Reviewed in the United States on April 6, 2020 by Sal Fanale
amazing fan
Size: 120x120x25mm
This is an amazing fan. No sound except the sound of flowing air. Extreme air volume movement.
Reviewed in the United States on September 25, 2026 by Dongshin Lee
Peerless performance and priceless value
Size: 120x120x25mm
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.
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Reviewed in the United States on September 24, 2018 by Rchiwawa