Your cart is empty.
Your cart is empty.Product Description
The NA-IS1-12 Sx2 is a set of two 5mm thick intake side spacer frames for Noctua 120x25mm fans that can help to improve both acoustics and performance in suction or “pull” type applications where the fan draws air through obstacles such as grills, perforated plates, mesh panels, filters or radiators. By offsetting the fan from the obstacle, the NA-IS1 inlet spacer reduces influx turbulences, which can, depending on the application and fan model, not only improve airflow but also significantly reduce overall noise levels and make the fan sound more pleasant to the ear. Designed to replace the fan’s stock NA-AVP1 anti-vibration pads, the NA-IS1-12 are compatible with all current square-frame Noctua 120x25mm fans and extremely straightforward to install: For case fan applications, either the supplied self-tapping screws or the included NA-AV3 anti-vibration mounts can be used to sandwich the spacer between the fan and the case panel. For radiator mounting, both M3 and UNC 6-32 screws are supplied. In sum, the NA-IS1-12 Sx2 set is a simple yet highly effective fine-tuning measure for suction type applications where a reduction of influx turbulence can lead to improved airflow and acoustics. The chromax.black variant is a perfect match for black chromax or industrialPPC line fans.
More airflow, less noise
Reducing influx turbulences doesn’t only improve acoustics, it also helps fans to operate more efficiently from an airflow performance point of view. In many suction-type applications, using inlet spacers can therefore enable fans to achieve both higher flow rates and lower noise emissions.
Improving suction acoustics
Suction applications where fans draw air through obstacles such as grills or perforated panels are notoriously challenging acoustically due to the turbulences caused by these obstacles. Introducing a 5mm off-set between the fan and the obstacle, the NA-IS1 spacers can reduce these turbulences, which often improves noise levels and/or noise profiles significantly.
Compatible with all current Noctua 120x25mm fans
Replacing the fan’s stock NA-AVP1 anti-vibration pads, the NA-IS1-12 are compatible with all current Noctua square-frame 120x25mm fans such as the popular NF-A12x25, NF-F12, NF-P12 redux or NF-S12A series. The slim NF-A12x15 or fans from other manufacturers are not supported.
Anti-vibration mounts and fan screws
For use with case intake fans, the NA-IS1-12 Sx2 contains eight long self-tapping fan screws and eight NA-AV3 silicone anti-vibration mounts for tool-free, vibration-proof installation. Both the screws and the anti-vibration mounts simply go through the holes in the spacer and attach to the fan, sandwiching the spacer between the fan and the case.
Scope of Delivery
- 2x NA-IS1-12 chromax.black inlet spacers for 120mm fans
- 8x NA-AV3 chromax.black anti-vibration mounts
- 8x NM-SFS4-BK long fan screws
- 8x NM-SFS5-BK radiator screws (M3)
- 8x NM-SFS6-BK radiator screws (UNC)
Please note:
As influx turbulences vary between different fans models and setups, it is not possible to reliably predict how much of an improvement adding inlet spacers will make. Please see our performance guidelines for further information.
Customer
Reviewed in the United States on September 27, 2024
Does what it says on the tin, but are a bit overpriced for what they are.
Lukas D
Reviewed in the United Kingdom on May 16, 2024
They definitely reduce the turbulence levels around intakes. I do think they are overpriced for what they are.
Daphnée Joanie Marchand
Reviewed in Canada on May 10, 2024
Produce a good seal to allow air to pass without turbulence noise.
j
Reviewed in the United States on March 8, 2024
This is designed to be placed where the air is exiting, most beneficial with your AIO. I feel like it's doing a great job and my i9-13900k and I are extremely happy(and not worrying about it overheating!). Would highly recommend.
gianluca bortolotti
Reviewed in Italy on November 6, 2024
Acquistati in quanto, le 2 ventole noctua Noctua NF-A12x25 che ho installato nella parte frontale del mio case come intake emettevano un suono di turbolenza e non riuscivano a tirare molta aria visto che, suddetto case ha la parte frontale in parte mesh antipolvere e meta' in solida plastica, occludendo in parte l'aspirazione delle ventole.Con i distanzali le ventole riescono a tirare piu' aria e il suono di turbolenza e' sparitoDo' 4 stelle in quanto secondo me il prezzo e' un po' alto (alla fine sono pezzi di plastica).
Brian Deen
Reviewed in the United Kingdom on November 20, 2024
PC Fan noise. These spacers have ompletely solved the problem that I had with annoying noise from 2 intake "Ultra Low Noise" Noctua 700 fans on my Coolermaster 300L Case.The fan noise was hase gone completely. The PC is now as quiet as it can possibly be.Well recommended for intake fans on a mesh type steel case. Money well spent.Cons - Only designed for Noctua fans. Check that you have the right model first from the manufaters' website. Not for exhaust fans.
Mario Lange
Reviewed in Germany on November 10, 2024
Gutes Produkt um weniger Staub in das Gehäuse zu bekommen
Bom
Reviewed in the United States on October 22, 2024
It is a good accessory to use with Noctua NF-A12x25 that are mounted flush to a heatsink or grill. It is a bit expensive for its purpose and does not fit with other fans besides Noctua.
Dark PC
Reviewed in the United States on October 19, 2024
Love Noctua stuff. I have all Noctua fans in my build, and though why not and try these. I have the spacers put on my bottom intake feeding my GPU. and I have another 3 on my the pull side of push/pull AIO set-up (THEY ARE ONLY MEANT TO BE USED IN A PULL COFIGURATION WITH SOME SORT OF IMPEDENCE IN FRONT OF THE FAN!). The sound and airflow differences are quite noticeable. The sound has turned into more a silent hum with the resonating less noticeable. The airflow from the bottom fans......all I can say is that I was kind of shocked how such small spacer can increase airflow so noticeably. Definitely a worthy investment if you're an enthusiast 🤓
T744
Reviewed in the United States on July 31, 2023
I was using a 120mm Noctua industrial fan on a hexagonal exhaust grill. Before using the spacer, it caused an insane high-pitched whine, sounding like it was a 10k rpm fan rather than 3k lol. With the spacer, the extra noise was cured. This product is kind of expensive but it's worth the price when you are using high-speed, noisy fans.
C
Reviewed in the United States on November 2, 2023
I replaced the fans of my Corsair H100i RGB Platinum with Noctua A12 fans. The difference was quieter, but I stumbled onto these spacers. These are marketed as helpful for AIO fans, so I bought a set. Turns out, Notcua fans can indeed get quieter--and the AIO performs better too!For reference, I can turn these fans up to 75% RPM and not mind the noise. The old ML120 fans were so damn noisy at any speed above 50%. Cooling efficiency is a lot better as well. Highly recommend Noctua fans and these spaces if you don't mind ugly fans. I did get the redux ones though, which are dark gray/black and look nicer than the usual Noctua brown.
Berfs1
Reviewed in the United States on January 9, 2023
I have an S12A Chromax fan that is mounted in the rear of the computer, however when mounted as exhaust, under load, I was not feeling any hot air, because the top mounted radiator with F12 IPPC 2000s pushing air to the top was basically the exhaust of the computer. So, I flipped the S12A to intake, and that lowered my CPU temps a few degrees. However, with the Low Noise Adapter, I could only push the S12A fan to 80% (~860 RPM) until I could start to hear it. Noctua later released these inlet spacers, so I figured I might as well give it a shot. I used one of those inlet spacers on the S12A, and that actually let me push the fan to 100% (~940 RPM) and I still cannot hear it. Both of my computers have their fans tuned for silence. I could probably go even higher than 100%, but I chose to keep the LNA in for cable management reasons. I also used the provided anti vibration mounts when mounting the fan with the inlet spacer, but if for some reason you just want to use long fan screws, those are included as well. I got this when it was priced at 10$, but even at 15$ (price at time of writing this review) I think this is a great product if you have any Noctuas pulling air through a grille!Only slight con is, it *may* be a bit tricky to install the spacers with the anti vibration mounts depending on how crammed your setup is, but it is doable for the most part.
wehooper
Reviewed in the United States on January 9, 2023
You're probably looking at this thinking the Noctua tax has jumped the shark with this!Well, it actually made a noticeable impact on my build. The A12x25 that was rigged up to the square mesh front of my case it made a noticeable humming sound even at very low speeds. I found these on the Noctua subreddit, and then the Noctua writeup about why these are needed and tried their test. By holding the fan off the front of the case slightly the noise went away.So I ordered a kit that cost half as much as the freaken fan, and stuck it in there. Low and behold it actually worked, that hum was gone. All that was left was normal bearing noise and the sound of the air moving.This is an extremally YMMV type product, but it was great IN THE PARTICULAR SITUATION of the square mesh intake on my case.
Recommended Products
$26.99
$ 13 .99 $13.99