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Having received more than 300 awards and recommendations from international hardware websites and magazines, Noctua’s NH-U9 line has become a benchmark for compact 92mm single tower coolers. The TR4-SP3 version is a tailored custom model for AMD’s sTRX4/TR4/SP3 platform (Ryzen Threadripper / Epyc) and features a larger contact surface as well as the latest SecuFirm2 mounting system for socket sTRX4/TR4/SP3. Topped off with two of the renowned quiet NF-A9 PWM 92mm fans in a push/pull dual fan configuration and Noctua’s proven NT-H1 thermal compound, the NH-U9 TR4-SP3 forms a highly compact, premium-quality solution that combines outstanding performance, superb acoustics and excellent compatibility for space-restricted sTRX4/TR4/SP3 systems.
Compact 92mm size for best compatibility
Thanks to a total width of only 95mm, the NH-U9 TR4-SP3 provides 100% PCIe clearance and never overhangs the top PCIe x16 slot. At the same time, its height of only 125mm allows it to fit smaller cases and most 4U size rack-mount enclosures.
SecuFirm2 mounting system for sTRX4/TR4/SP3
Noctua’s SecuFirm2 mounting systems have become synonymous with quality, safety and ease of use. The TR4-SP3 variant has been completely custom-designed for the new socket and is particularly easy to install: Put on the heatsink, fix the four spring-loaded screws and you’re done!
Dual NF-A9 PWM fans
The NH-U9 TR4-SP3 is equipped with two of Noctua’s award-winning NF-A9 PWM 92mm fans. This push/pull dual fan configuration allows it to achieve a level of quiet cooling performance that is remarkable for such a compact cooler and comes close to the bigger NH-U12S TR4-SP3.
NT-H1 thermal compound
Noctua's much-acclaimed NT-H1 is a well proven pro-grade TIM solution that provides minimum thermal resistance, excellent ease-of-use and outstanding reliability, which makes it suitable for use in professional server and workstation environments.
Measurements
- Height (without fan): 125 mm
- Width (without fan): 95 mm
- Depth (without fan): 71 mm
- Height (with fan): 125 mm
- Width (with fan): 95 mm
- Depth (with fan): 120 mm
- Weight (without fan): 660 g
- Weight (with fan/s): 895 g
Materials
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Cooler Specification
Socket compatibility
This cooler is only compatible with AMD sTRX4/TR4/SP3, and cannot be used on any other sockets and is incompatible with Noctua’s standard mounting kits.
Scope of delivery
- 2x NF-A9 PWM premium fan
- 2x NA-RC7 Low-Noise Adaptor (L.N.A)
- NA-YC1 4-pin PWM y-cable
- NT-H1 high-grade thermal compound
- SecuFirm2 sTRX4/TR4/SP3 mounting kit
- Noctua Metal Case-Badge
Tailored custom version for sTRX4/TR4/SP3 (Ryzen Threadripper / Epyc)
Please note that the NH-U9 TR4-SP3 is a dedicated version for the AMD sTRX4/TR4/SP3 socket. Due to its customised larger base, it cannot be used on any other sockets and is incompatible with Noctua’s standard mounting kits.
SeeNoEvil
Reviewed in the United States on January 17, 2025
Using it on an Epyc Rome with 32 cores, that's 64 threads. The small profile is great, I tried a smaller fan unit but the average temp on the small one was 75C, but using this cooler the average is 50C!
R. Andrade
Reviewed in the United States on August 1, 2024
The Noctua NH-U9 TR4-SP3 is a premium CPU cooler designed for AMD Ryzen. It was easy to install and fit perfectly on my motherboard and processor. The cooler works great, runs quietly, and effectively cools down my processor without any issues. The installation process was very straightforward, and the included instructions provided a step-by-step guide for a proper installation. The package comes with everything needed for installation, including the thermal paste.
Ben W.
Reviewed in the United States on February 4, 2024
My liquid cooler died and I needed a cooler fast. Amazon delivered this Noctua NH-U9 fast within 36 hours. There aren't a whole lot of TR4 cooling solutions out these days. I guess it's an old chip. I am using this on my 1920x. I had to remove one stick of my vengeance RAM to fit it. Keeps the cpu hotspot at 65 under load, Celsius. Under sustained load it may be a bit higher. My liquid cooler wasn't running great after it's first year the temps got higher. Think the microfins got clogged. This Noctua NH-U9 arrived fast, came with a y fan splitter, and paste and even a tool to screw the heatsink on. The temps are about what you would expect for it's size, won't have to replace this cooler for a long while though.
James R. Norton
Reviewed in the United States on December 3, 2024
I had an ATX motherboard with AMD 2950 thread ripper CPU and wanted to use it in a smaller pc case such as the Silver Stone GD08B. The motherboard fits as well as the Noctua NH-U9 TR4. However, it's a very tight fit and I would not recommend using an ATX motherboard in this case. I had to remove the two bottom case fans as well as the SSD cage in order to attach the SATA data cables to MB connections. Also, there is barely enough space between the cooler and the CD/DVD power and data cable connections. But, the Noctua cooler is fantastic!
Mark L.
Reviewed in Singapore on January 27, 2024
As per the headline. Fantastic cooler and delivery is very quick, probably a day or two.
Chris leahy
Reviewed in the United States on April 2, 2023
Great cooler, bought the smallest one to fit in a 4u chassis with an sp3 and epyc and it’s noctua so of course it’s quiet, moves some good air and cool. 32 core epyc 7002 at 2.9ghz I don’t run it hard all the time but I have yet to get a thermal throttle. It fits in a 4 u chassis but also fits in my ancient nzxt m59 with a supermicro h11. Worked well til the server rack got in. Anyway good quality, solid design, and fits how it should!
Dream
Reviewed in the United States on November 20, 2021
Literally first time off setting the heatsink, I had a screw break in the heatsink. That when I notice the other 2 screw's thread is crap. Emailed them, they responded quickly, they asked for invoice and a picture of the heatsink, I showed........4 days so far with no response after that. That's not even taking in the fact that the whole process is literally stupid to do the off setting to begin with. Then there is the ram issues you gonna have with this heatsink. The ram slots closest to the socket will be blocked.Crap support for a overprice, crap heatsink. First and last time I buy from this company.Update: They sent me a new one after contacting them. Literally a week before warranty becomes expired; they honored it.
Anthony Reyes
Reviewed in the United States on May 20, 2020
I made the mistake of buying the lian li dynamic 011 without considering a cooling solution for my threadripper 2950x thinking my wraith ripper cooler would fit. Boy I was wrong with it frustratingly being a mere 5mm too tall. Looking online for cooling solution wanting a cpu cooler tower opposed to AIO I skipped over this cooler thinking it won't be enough to keep the 16 core beast cool enough. I was desperate and almost resorted to buying the only AIO cooler for trx4 in the market for $200 when my desperation brought me back to this little noctua cpu tower cooler. I decided to give it a shoot and was astonished. This little cooler kept my cpu a cool mid 30 - 40 degrees Celsius. Stress testing my 2950x for about 5 minutes (didn't have the patience for a longer run, running fans at full speed) keep her about in the 60 degree Celsius range consistently. No need to think just buy. She isn't half bad looking as well ;)
Customer
Reviewed in Canada on September 15, 2019
Great stuff. I'm not overclocking and it keeps my CPU about 50'C. It is a little bit big, covering my memory slots, but those fans can be lifted up a bit and the cooling is still great. With the tools and thermal paste in a small bag, super convenient and easy to install. Recommended!
Jrasero
Reviewed in the United States on March 8, 2019
So this is the smallest Threadripper air cooler out there at 125mm in height and really it is meant for server racks or SFF builds that just don't have the height clearance. If your case has substantially clearance I would recommend skipping the U9 and U12 all together and just go with the U14 TR version since all of these coolers are so closely priced together but the U14 is the only chip that offers very good cooling with real overclocking potential. With this said the U9 TR4 is rated at 180W TDP, so yes it can handle a 1920X-2920X to a 1950X-2950X but not the WX series chips. The cooler is beautifully packaged and comes with all sorts of cables, a long screw driver, and thermal paste. The 92mm fans aren't as quiet as I thought they would be at full load but still aren't obnoxious. Mounting was super easy but it should be noted that this cooler does require low profile RAM or the fans interfere with the RAM. You can slide up fans up the heat sink but I am not sure how that effects cooling. I have the NH U9 TR4 in a mATX Sliger Cerberus 18.5L case with 6 case fans. The two most important case fans for my build are the top mounted 120 slim exhaust fan and the most important one is the side bracket mounted fan that intakes air and it sits right above the cooler barley not touching it. The side bracket fan lowered Idle temps from 39C to 34C and allowed me to run my previous Ryzen Master settings that I had with an Asetek 240mm AIO. When stress tested with CPUZ I am getting 67.75C which just barley is under the 68C throttling limit. Overall this is the only TR4 air cooler that fits into my case and by no means is it a bad one, but it does takes a bunch of fans to keep it properly cooled
GOUIN MARYLINE / STEPHANE
Reviewed in France on November 18, 2019
Ce produit remplace un AIO watercooling qui tiens pas plus de 6 mois.Donc on revient au système de refroidissement par Air.
shin
Reviewed in Japan on March 7, 2018
最初にこれを購入。後に、140ｍｍファンタイプにしようと思い同じノクチュアの140ｍｍファンの物を購入しましたが装着できず。あれこれ心変わりしてはいけないということですね。肝心の性能ですが、デュアルファンですが静かです。ファイナルファンタジーの紅蓮のリベレーターベンチをループで一時間してもファンが高回転でうるさくなることはなかったです。フィンを触るとホンワリ暖かい感じでした。このサイズでオーバークロックメインで使用する人は殆どいないでしょうから通常使用には十分な性能と思います。オーバークロックには向かないでしょう。最初は小さいので不安になり、前述の140ｍｍファンタイプに交換しようと思ったのですがこちらで十分でした。スレッドリッパーの1950Xに使用しています。ASUSのZENITHには140ｍｍファンの物は装着できません。気をつけてください。書き忘れましたが、オーバークロックに向かないと言うのはフィンに触れた時に上部はホンワカでしたが、下部はそこそこの熱がありました。高負荷が掛かる仕事には向かないでしょう。高負荷を掛けるのなら、よりグレードの高いクーラーを選んでください。
Loci
Reviewed in Italy on October 30, 2018
Il dissipatore è specifico per i processori AMD Threadripper.La confezione comprende tutto il necessario per una completa e perfetta installazione.Il dissipatore ha una costruzione solida e stabile.Le ventole (2) sono silenziosissime ed hanno una buona portata di aria.Nonostante le CPU Threadripper producano molto calore, il dissipatore svolge il compito di raffreddarle in modo molto efficace.Consiglio per un uso h24 ma non per overclock estremi…
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