NF-A12x25 PWM

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.

incredible fan! looks great , easy to install and it comes with every possible connector you could need , my pc was instantly cooler during gaming compared to the stock fans which gained me performance of the gpu and cpu increasing my benchmark tests .

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.

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.

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.

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.

Powerful cooling , you can't hear them running at all. Love the color as well.Easy to install using the anti-vibration mounts. Worth the cost for perfection.

really high quality and quiet fan would buy again

Excelente en todos los aspectos. Ofrece un rendimiento sobresaliente, manteniendo un nivel de ruido muy bajo incluso a altas revoluciones. La calidad de los materiales y la construcción es claramente premium, y el control PWM permite un ajuste preciso según las necesidades del sistema. Aunque su precio es elevado, la calidad y el silencio que ofrece lo justifican plenamente.

素晴らしいファンです。とても静かです。

Installed them on a radiator they keep the CPU much cooler, AND they’re much quieter than the ones originally came with it! No humming or loud noise even when they’re at high speeds, and at normal CPU usage you can barely hear them. These fans lowered my CPU’s temps by around 10-15c, I didn’t expect them to be that much better from the previous ones.

1. Praxiseindruck Ich nutze den Noctua NF-A12x25 Lüfter als Ventilator beim Löten. Der Lüfter lässt sich über PWM präzise steuern, arbeitet sehr leise und liefert dennoch eine hervorragende Luftzirkulation. Selbst unter Last bleibt er angenehm leise und sorgt für stabile Temperaturen. 2. Qualität Die Verarbeitung ist erstklassig: hochwertiges Material, langlebige Lagertechnik und präzise gefertigte Lüfterblätter. Die Kühlleistung ist konstant und zuverlässig, die Montage gestaltet sich einfach und stabil. 3. Positiv / Negativ Positiv: Sehr leise, auch unter Last Hohe Kühlleistung und stabile Temperaturkontrolle Hochwertige Verarbeitung und langlebige Lager PWM-Steuerung für individuelle Anpassung Negativ: Design in Braun/Beige passt nicht zu jedem, rein optisches Manko 4. Zusammenfassung Der Noctua NF-A12x25 PWM ist ein hochwertiger, leiser und leistungsstarker 120 mm-Lüfter. Top Kühlleistung, langlebig und zuverlässig – klare Empfehlung. ⭐⭐⭐⭐⭐

I was having a big cooling issue with my PC — my GPU kept shutting down because of heat. I replaced two of my old fans with these Noctua fans, and the temperature dropped a lot almost immediately. Now I can game without any problems at all. They’re super quiet, very effective, and easy to install. The quality feels premium, and airflow is excellent. I’m honestly impressed and plan to buy more to replace all the fans in my case.