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Noctua NH-D9L, Premium CPU Cooler with NF-A9 92mm Fan (Brown) for Desktop

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$64.95

$ 26 .99 $26.99

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About this item

  • Compact dual-tower design combines strong cooling performance with excellent case-, RAM- and PCIe-compatibility
  • Only 110mm height is ideal for HTPCs, ITX, Small Form Factor or 3U builds; Does not overhang the RAM or PCIe slots on most current motherboards
  • Highly optimised NF-A9 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation
  • Easy-to-install SecuFirm2 multi-socket mounting system for Intel LGA2011-0 & LGA2011-3 (Square ILM), LGA1156, LGA1155, LGA1151, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required), AM4 with NM-AM4 Includes award-winning NT-H1 thermal compoudn.
  • Trusted Noctua quality backed up by 6-year manufacturer’s warranty.



Product Description

NH-D9L Header

The NH-D9L is a premium grade dual tower CPU cooler that has been designed to provide excellent quiet cooling performance at a height of only 110mm. Its comparably low profile (15mm lower than classic 9cm tower coolers such as the NH-U9S) doesn’t only ensure full 3U compliance but also makes the NH-D9L ideal for compact HTPC and Small Form Factor cases that have airflow paths parallel to the mainboard. Thanks to its 95x95mm footprint, the NH-D9L clears the RAM and PCIe slots on all Intel based and most AMD based ITX mainboards. The included NF-A9 premium fan supports automatic speed control via PWM for outstanding quietness of operation and a second, optional NF-A9 fan can be added for further improved performance in dual fan mode. Topped off with the trusted, pro-grade SecuFirm2 multi-socket mounting system and Noctua’s proven NT-H1 thermal compound, the NH-D9L forms a highly compact premium package for space-restricted applications.

NH-D9L

Low-profile tower design with 3U compatibility

While most low-profile coolers blow air towards the motherboard, the NH-D9L is a tower style cooler that blows parallel to the mainboard, which allows for superior airflow efficiency in cases with front intake and rear exhaust fans that create an airflow path parallel to the mainboard. The NH-D9L's reduced height of 110mm also allows it to fit 3U chassis. This makes it ideal for noise-sensitive 3U applications in fields such as audio or video processing.

NH-D9L RAM

100% RAM compatibility

With its 95x95mm footprint, the NH-D9L does not overhang the RAM slots on current Intel and most AMD mainboards. This gives the user full access to the memory modules and ensures 100% compatibility with tall heatspreaders or optional memory fans.

NH-D9L PCIe

100% compatibility with PCIe cards on mini-ITX

With its 95x95mm footprint, the NH-D9L does not overhang the RAM slots on current Intel and most AMD mainboards. This gives the user full access to the memory modules and ensures 100% compatibility with tall heatspreaders or optional memory fans.

NT-H1

NT-H1 thermal compound

Noctua’s much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability. Chosen again and again by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds.

NH-D9L
Measurements
  • Height (without fan): 110 mm
  • Width (without fan): 95 mm
  • Depth (without fan): 95 mm
  • Height (with fan): 110 mm
  • Width (with fan): 95 mm
  • Depth (with fan): 95 mm
  • Weight (without fan): 428 g
  • Weight (with fan/s): 531 g
Materials

Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Cooler Specifications

Scope of delivery

  • NF-A9 PWM premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • SecuFirm2 mounting kit
  • Fan-clips for second NF-A9
  • Noctua Metal Case-Badge
Fan compatibility

92x92x25mm

NH-D9L

NF-A9 premium fan

The highly optimised NF-A9 features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, which allows it to further improve the efficiency of Noctua's previous 92mm models and contributes to the NH-D9L' superior cooling performance.


Phil Tingley
2025-08-27 13:04:27
So first thing I need to put as a disclaimer my H80i likely just needed a new round of thermal paste - this wasn't discovered till I removed it to install the Noctua NH-D9L. But I've had issues with the Corsair liquid coolers prev so...better safe than sorry.Anyhow for whatever reason when I moved my Mobo into a new case - left the H80i attached to CPU just disco the Rad/Fan set from case and relo to the new case. After that cooling just sucked and I even had an additional fan on the case. Now wee bit of history I had a Corsair before the H80i (forgot the model) but it failed just before warranty. It had been in the same case, same mobo for a bit under a year. Corsair sent me the H80i as a replacement.H80i had worked decently well for 2+ yrs but as stated above after case swap (heatsink was never moved from CPU) it just wasn't cooling anymore - ~20% load on CPU was skyrocketing into 155+ (F) temps. Attempting to do anything too intensive pushed it into auto shutdown. With prev xp of the Corsair line just quit working properly was time to replace.I did search around for many different coolers, was going to go liquid again. My sys sits in an enclosed space, not ideal and not really what I want (I'm an IT guy) but with a 4&6 yr olds running around I don't want my PC exposed to them. Running an AMD FX8320 I figure a decent liquid cooler and the 2 x sets of fans I attached to the desk side and back would keep it running decently. This PC is always on and acts a video streamer to Rokus and is my gaming rig as well, 10TB of space on 4xSATA drives. Bit older rig, no M2/U2 - future project will include the newer drive systems.I wanted to get away from Corsair, basically 3.5 yrs total with Corsair w/replacement. I've certainly seen standard HS+Fan setups last way longer than that, and in worse temp environments where I work at (I live in Vegas - warehouses are not that well cooled here in the summertime). The better rated liquid coolers were brands I wasn't familiar with, not a ton of reviews like with Corsair & Thermaltake so was very hesitant. I included my search scope to include the venerable HS+Fan setups as well.Well there are many interesting HS+Fan designs out there, some very cool looking and very tempting as the seemed very promising but checking some of the stats it didn't seem like they would be good candidates for my little 8xCore CPU (6 yrs old now). Especially since I am looking at heading to a Ryzen chip someday. Then I started seeing references to Noctua in some reviews of other coolers and normally very glowing remarks of Noctua.Eventually ran across a link directly to one of the Noctua products, at first I thought what an ugly ass fan - first one I saw had the fan on the outside of HS. That doesn't really bother me anyway cuz my system isn't for showing how pretty it is. Someday when it is actually released from it's hermit cave I don't care how pretty and lit up the inside is - I just need my stuff to work and run decently, not expecting a Ferrari (after all is AMD 8320) but at least a good solid Volvo. So Nocua started getting my attention. Everyone said they were fantastic, ran as well as many liquid coolers (believe an H80i was even ref or the H100), and that the fans were super quite, bit pricey for fans but worth it.Overall the cost of the HS+Fan NH-D9L unit really wasn't bad and much less than I was expecting and willing to pay for a new liquid cooler or even some of the other HS coolers. With pretty much perfect reviews I was thinking I would be a big ass dummy if I didn't give this a shot, after all if it now workee could always get it returned.Ordered it, wasn't expecting it until May 9-12, arrived on 5 May! Btw - family night out for a bit, gone for ~ 2.5hrs, my system (h80i still in) got heat stroke and shut down again, AC running so air temp ~78, Desk door ~ 1/2 open and I had a Bionaire desk fan running pointing at the case to help push cool air in but not enough help, was just becoming a bigger liability by the day. After we got back, seeing sys shutdown while out, swapped out the H80i for NH-D9L. Btw - GPU temps normally ~90-95 (not gaming), Mobo temps between ~85-90, so airflow was not the issue - this was without the Bionaire fan/door open too.I am so freaking delighted! Bionaire fan remoted, desk door closed, very quite compared to prev and CPU temps ranges of course but basically writting this ~5-10% load, 102 (F). When first booting up, did Nvidia update - 100% CPU load and CPU temp was ~145 (F). That was great. As I did state at the beginning the Thermal paste was very lack luster on the CPU after removing the H80i, actually a good amount was stuck to the H80i HS, but was rather dry. Now it may have just been coincidental timing replacing the case and the H80i starting to suck - who knows. Possibly just redoing the paste and reattaching the H80i and all would have been good. But again I had experienced 1 Corsair Death before and really didn't want to chance.Overall highly impressed with the Noctua NH-D9L. Operating in an enclosed space, 4 x SATA drives running, as well as GTX 960 (recently added as well...maybe that had an additional factor on the H80i - prev to the 960 had a Ti750). But since the other system temps were decent I believe the H80i was just a bit too finicky about being moved and started to fail like it's predecessor. Looking forward to a long life with my NH-D9L (is also compatible with the Ryzen CPUs!), will likely get the addon fan to the NH-D9L and probably look at getting a couple of their fans as Case fans as well. BTW my H80i Rad Fans I now am using as case fans, run at a bit lower speed so less noise than before, overall quieter than it was and apparently cool enough to handle some activity.Go Noctua! -Packaging was very well done, not too flashy, all nice and tightly set, also love that instead of just a crummy ole sticker for an emblem to place on your system it is actually a metallic raised image w/sticky back. That is very nice additional and shows some class. Rock on!
Earl Ray Forsythe II
2025-08-14 12:18:08
This is a great compact tower cooler.I got for a Ryzen 3600 ITX build after realizing the stock cooler was not going to work (CPU shot to 90+C during Cinebench tests). ITX cases are a little tight and I was a little worried I was going to have to disassemble the entire system to swap out the cooler. However, once the Noctua cooler arrived, I discovered the mounting system was very well thought out and much easier to install than the stock cooler.The package comes with everything you need for mounting to an AMD or Intel motherboard, including tools, thermal compound, a set of brackets for a second (optional) fan, and detailed instructions. The cooler seems to be well built, but you do want to make sure not to bend the cooling vanes when manipulating it.I can't speak to the Intel install as I didn't look at those instructions, but for AMD boards you mount a pair of metal arms on either side of the CPU, and the cooler bolts down to a single threaded rod on each arm. This resulted in having to use less pressure than I did when bolting down the stock cooler, and having two screws made it easier to sequentially tighten the screws in a consistent manner.Crucially this mounting system worked great for the ITX case I was working in, so i was able to mount everything without removing the motherboard. The only issue I ran into was it took several tries to get the mounting brackets for the fan to hook back to the cooler on one side. This was entirely due to the small case making it tricky to work on the side closest to the top, as I had no trouble with the opposite side bracket. If I had been mounting the cooler on the board before installing it in the case it would have been no trouble at all.Fortunately the long screwdriver included with the kit also made a handy tool to manipulate the bracket into place. Routing the fan power cable was a little tricky, but again this was a function of the case and not wanting to pull the motherboard back out unless I had to.Once everything was buttoned back up I re-ran the Cinebench tests and the CPU temperatures topped out in the 70C range, which was well within the range I was looking for.Bottom, line I got a 20C drop compared with the stock cooler and a lot simpler installation to boot. I would recommend this cooler to anyone looking to step up from the stock cooler.
Gloria Mendelssohn
2025-07-12 15:44:11
Lo que me encanta de este disipador es que no es ruidoso comparado con otros sistemas de refrigeración por aire. En mi opinión personal el único problema que tiene es el color que no es mucho de mi agrado, pero realmente no es un gran problema estético.Cumple muy bien con su función y eso es lo que cuenta, lo demás pasa a un ínfimo segundo plano.
おきみはる
2025-04-19 12:39:16
i7 9700kで使用中。ケースの蓋をあけていても音が気にならない。5インチベイのあるミドルタワーだが、クーラーとケースの隙間は十二分にある。ケース内で、ファンの風向きが上になるように取り付けた。このためリテンションキットを組むときに90度単位で間違えないように注意した。昔よりもケース内のエアフローは良くなっているのでケースファン無し、ATX電源の排気のみで運用している。これから冬に向けてこの運用だ大丈夫だろう。購入タイミングによってはこのページでなく、「正規代理店」から購入した方がお得かも知れないので要検討。
Ben
2025-04-15 12:45:39
This is a great little tower cooler that solves the problem of low profile coolers that can't pull enough heat out, and larger towers that won't fit in a rack mount case. I've got this installed in a 4u rack with an overclocked cpu running pretty intensive workloads and it's running at 63 degrees max with 100% cpu utilisation. It's silent, and would easily fit in a 3U system.
Ben
2025-04-11 10:35:18
If you're like me and are getting this to replace a stock cooler. Wow, the temps are amazing and I can turn all my fans down such that my PC is silent.
Rj C
2025-02-09 18:41:33
Brought down my R5 3600 temps from 90c to 70c on load and further down to 60c when I added another fan.
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