• Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
  • Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
  • Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
  • Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)
Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)

Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)

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MRP: €116,00
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€192,00
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  • Compact single-tower design combines strong cooling performance with excellent case-, RAM- and PCIe-compatibility
  • Only 125mm height is ideal for HTPCs, ITX and Small Form Factor 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 LGA1150, LGA1151, LGA1155, LGA1156, LGA2011, LGA2066 & AMD AM2(+), AM3(+) FM1, FM2(+)
  • Includes award-winning NT-H1 thermal compound; Renowned Noctua quality backed up by 6-year manufacturer's warranty

Customer Reviews

Cool and quiet wins the race Even though I've built systems for several years, this was my very first non-stock-cooler install. I usually go with Intel's stock cooling solutions, which typically work fine for non-overclocked purposes. Since the i5-9600k doesn't come with a cooler, I decided to venture outside of my comfort zone and go for a third-party cooler.After reading many reviews, I decided on this Noctua solution. The primary factors that drove my decision:1) Air cooler.2) Single fan.3) Small profile, so I wouldn't have to worry about overhang/selecting specific components.4) Quiet. Be very, very, quiet.5) Excellent build quality and compatibility, so it might last between several system upgrades.I just finished installing it earlier today, and so far the results have been fantastic. On my old CPU (i5-4440), with the stock cooler, my low-stress temps (web-browsing, music playing) were about 65C. With this new cooler on my new i5-9600k, I'm seeing about 38C on average under a similar load. That's in a fairly warm room, with a hot case (Antec Sonata III - I'm going for a quiet, subdued system.) Also, it is even quieter than my old system! I can't tell that the computer is even on (in terms of noise level) unless I turn the ceiling fan off, which is what I was going for - near silence.NEWBIE MISTAKES TO AVOID:I did all of the silly things I'm about to list - if this is your first time installing a more complicated cooling solution, hopefully this will help! If you're an experienced system builder, then here's hoping you have a good chuckle.1) Hey, look at this nice full-glossy instruction sheet! Guess what you should do before step 3 - you should make sure the CPU is LOCKED IN. I still had it unlocked after dropping in the new CPU, and had all sorts of trouble.2) Step 4 - yay, time to apply the thermal paste! Only.. how do I get it out of the tube? The old paper-clip to the cap trick, right? NO - that cap unscrews with moderate force. Don't punch a hole through it!3) Step 5 - Man, tightening that one screw down with a regular screwdriver is a real pain in the patoot. They should have included a specialized screwdriver to help with this. Guess what, they did! I mentally discarded it after mistakenly thinking it was a piece for AMD CPU installation when I first opened the box. In fact, that odd piece of metal *was* a screwdriver. Oops!Overall, my first adventure into non-stock CPU cooling has been refreshing and rewarding. This Noctua kit seems well made, the packaging was great, and so far it's working like a champ, despite the mild levels of accidental abuse I dispensed during the installation process. I'll be looking at Noctua in the future if I need any more cooling for my rig. 5Fits LGA2066, handles stock i7-7820x clock, Intel stress test I recently purchased a custom built computer for workstation use in pro audio recording, purely on the need for speed and memory capacity. I do not overclock or game, but wanted something solid and fast. It came with a noisy CPU tower so I tried this. Installed the quiet adapter, extremely quiet, mounts are truly universal and all supplied including AMD.Rated at 140w TDP, the processor under load showed up to 200+ watts actual. Running multiple 1 hour tests on all cores (8) at 100% utilization consistently produced temperatures 8-15 degrees below the throttling limit (105C), and no thermal throttling occurred during any test, which DID occur with the original cooler. Recovery to 32-35C at idle was extremely quick. This is far more stress than will be had in actual heavy audio use, and put shame to the supplied cooler.I would buy the next model up at minimum if I was a gamer, but this offered surprising performance, and many reviews have indicated it outperforms some water coolers at many price points. I am a believer... 5Great cooler for a small case, and even keeps up with my previous AIO with less room for airflow Before I start the review, I want to list the components I have installed in my computer:Case: Silverstone GD08Motherboard: Gigabyte GA X99 Ultra GamingCPU: Intel Core i7 5820K @3.3GHzRAM: 16GB (4x4) Corsair Vengeance LPXGPU: Gigabyte G1 Gaming GTX 1070Boot SSD: Samsung 960 EVO 250GBGaming SSD: Mushkin Reactor 1TBHDD: 3x WD Red 4TBBluray Drive: Asus BW-16D1HTBluray Drive: LG WH16NS40For the last few years, I've had a large case (Fractal Define XL R2) sitting on our TV stand. It was an eyesore to have sitting out under the TV (beautiful case, but ugly in the living room), but it was incredibly spacious with great cable management, and housed all of my components with no issues.In that case, I was using an ARCTIC Liquid Freezer 240 to keep my CPU cool. The computer is a work horse (gaming, video encoding, Plex server, etc.), so having a quality CPU cooler is a must.I was finally able to find a quality case that would fit all of my components while fitting in to the TV stand, and also blending in (SilverStone GD08B). However, the smaller case meant that I would no longer be able to use a 240mm cooler for my CPU. It's HTPC form factor also limited my choices for a new cooler because of its height limitations.I did a great deal of research on low height coolers, and finally settled on the NH-U9S. I knew I wasn't going to get the same cooling performance I got with my AIO, and I knew the air flow in the new case was not going to be great with the number of drives in place. I was maxing out at about 62 C under full load with my old setup.Installation of the heatsink was incredibly easy; I was done in less than five minutes. Once I got everything installed in the new case and fired it up, I immediately saw an increase in idle temps. Where I was getting 28 C-35 C before, I was now seeing 39 C at the low end, but averaging in the low 40s at idle. Not great, but expected. Once I started encoding my first video, I saw temps shoot up to the high 70s, and reaching into the low 80s at some points, which was less than ideal. But, I knew the tradeoffs with the new setup, and it was still in the safe range, so I was ready to deal with it.I decided to try and manually adjust the fan speeds and curves to try to improve the cooling a bit, so I went into my bios and looked at the fan setup. For some reason, it was reporting my CPU fan at 0RPM, no matter how I adjusted it. So I cracked the case open, expecting that I did something stupid like I forgot to plug in the header, and found out that one of my SATA cables was stopping the fan (anyone who has used the GD08 with both optical drive bays and SSDs installed knows that cable management is tough). So i pushed it back, and the fan started spinning again.I booted back into Windows to see if that made a difference. Sure enough, I was now seeing idle temps down in the mid 30s (I set up the fan curves to run at 20% even at idle). Major difference. I saw even more improvements under load. I've been encoding for the last 4 and half hours (95-100% load the whole time), and the CPU has been sitting in the mid 60s for the most part, with only one core hitting 70 C at max (but averaging around 68 C). So in other words, without a fan on this heatsink, my CPU was kept under or at 80 C under full load, and now I'm seeing just a few degrees more than I was with my old AIO. I may even be able to (very moderately) overclock my CPU even in the new case.I am incredibly happy with how well this cooler is working out, considering the space limitations I was working with and the limited airflow inside the case due to how much I've crammed in there. I would definitely recommend this cooler for anyone looking for a low height or small form factor cooler. 5Terrific product, but impossible to install in many socket 115X mini towers. Everything is impressive. Beautifully designed, manufactured, and packaged; but I can't install it in any of my Dell socket 115X mini towers because the instructions are written to assume the wrong back plate on the motherboard. The instructions show a smaller back plate whose only function is to provide for mounting the CPU retainer. THAT back plate DOES leave free the holes you need. But THIS is NOT the back plate used on many Dell mini towers: e.g. 9020, 7020, 790, et al and the same goes for other makes of towers. These towers have a much larger X-shaped back plate that uses the holes required for installing this Noctua cooler.Noctua s instructions show the wrong back plate, advising you to leave it in place; but with the actual back plate used in many socket 115X towers, you can t leave it in place because it uses the holes you need to install the Noctua, and you can t remove the back plate because then there s nothing to receive the mounting screws for the CPU retainer.You might think, well, just return it and get a refund. But there is no just. I m physically disabled, don t have a car, and don t live anywhere a post office. Even if I had a car or were willing risk using public transportation, I could never handle waiting on the long lines at the post office. I could hire a car service, but that would cost most of the price of the product. I could call in a favor, but I try to save that for larger issues. So I ll have to eat this one, because no one at Noctua checked an obvious and important detail whether or not this or that computer has a useable back plate.I ve written this in the hope of sparing others a waste of time and/or money. 3Quiet, cool, all around awesome cooler The fan on this thing isn't even audible from 4 ft away until you get above 50% speed. Even then, it doesn't make much noise.I've been running this on a Core i7-3770K (delidded) at 4.6GHz with 1.3V. I've never seen temps rise above 70-75C on full load. Considering the size and silence of this cooler, it is really quite amazing what Noctua has managed to do.This cooler replaces the older Noctua NH-U9B. That cooler might seem tempting because of it's two fans, but this is certainly better. The newer NH-U9S has a single more effective fan, an extra heatpipe, and is designed to be compatible with more motherboards. The extra fan on the old cooler doesn't have a whole lot benefit when you consider the extra noise to make. Definitely go with this more refined design. 5Used with My TT Core V1 Mini ITX for cool temps. Keeps it chilly and Ultra Silent! Most efficient and effective heatsink you can get for a Mini ITX build. I researched all the mini itx heatsinks I could find for a good 7-8 hours before I went with the u9s from Noctua. I used it in conjuction with the i7-6700k skylake processor in a Core V1 case from Thermal take which is enclosed and has little airflow and it works wonderfully.My temps during idle are 31C and around 64C during max load using Prime 95 for max heat. As soon as I close prime within 10 seconds it drops back to 35 C. It's really effective and keeps it cool. A9 fans are whisper quiet and inaudible up till around 800rpm then they are whisper quiet till around 1300 rpm. Best quality fans and they sell for around $20 normally. The motherboard I used with the asrock z170 gaming 5 and it allowed for me to put on both A9 fans with ease. Clears the mobo as well as the ram easily. Check out pics and highly unprofessional video for more info. Feel free to leave any questions in the comments. 5Noctua comes through, as always! First and foremost, I admit I'm a big baby and refuse to give AIO water coolers a try. After reading about all the ruined system components due to leaks, I realized I'd never consciously be able to leave the PC unattended and keep any sort of peace of mind. Enter Noctua. I've been using their coolers for many years now, starting with the NH-D14. Recently I decided I wanted to build a nice, compact Mini-ITX gaming PC and do away with my behemoth of a full tower (the system that used the NH-D14).In the end, I knew I was going with Noctua, and I knew I wanted to overclock (i5 4690k). My case (Thermaltake Core v1) listed 140mm as the maximum cooler height. Armed with that knowledge, I compared all of Noctua's Mini-ITX compatible cooling solutions via height/benchmarks and finally decided that the NH-U9S was the cooler for me. In a push/pull config (thanks to a 2nd NF-A9, @4.5Ghz OC (1.2v) I idle at 32C, and full load at just over 70C (still WELL within the thermal limit!). For reference, @4.0Ghz OC (1.0v), I idle at 30C and full load at 61C. For its size, this thing is absolutely incredible! If you're thinking of building in a Mini-ITX case and can clear the height, this is my recommendation! 5Fantastic Job for a Smaller CPU Cooler I bought this cooler to replace the stock cooler on my intel I7-8700 CPU... My case would not accept a full size (over 160mm) cooler so I was anxious to see how this smaller cooler performed. Under Prime 95 for 2 hours, my stock cooler ran the CPU at 81 degrees C...this Noctua cooler under the same ambient temp runs the CPU at 72 degrees C. Using the AIDA Stability test... stock cooler was 94 degrees... Noctua NH-U9S was only 70 C...awesome 5This cooler was very easy to install Build:Processor-i5 4690kMother Board- Asrock z97 Anniversary EditionGPU- EVGA 04G-P4-3966-KR GeForce GTX 960 4GB 128-BitRAM-Crucial Ballistix Sport 16GB DDR3-1600PSU- EVGA SuperNOVA 750G2 80PLUSCase-LIAN LI PC-9FThis cooler provides mounts for Intel and AMD.I bought this cooler because I was getting 40C idle, and about 60C under 50% load for the processor. While the temperatures weren't ridiculously high, they were above what I would consider normal. Before buying this cooler, make sure that you can access the rear part of the mother board (opposite the processor). A bracket, which is provided, must be mounted from the rear side of the motherboard. This cooler was very easy to install, the packet comes with all the tools, instructions, and equipment needed. It's rare to see such nicely thought out packaging. While the heat sink does not block ram slots, the fan provided does. The solution to blocked ram slots is just moving the fan slightly higher on the heat sink, so blocked RAM slots aren't an issue unless they have large heat sinks also. I've attached an image so you guys can get a feeling of how large the unit is. My idle temp has dropped to 28C-31C and the same 50% load hovers at around 40C-45C. The fan is also strangely silent, I really wasn't sure if it was on or not until I tested it with a piece of paper. I will be buying a second fan for this unit in the near future in order to make a push and pull configuration. Not because it's needed, but because I want to see the difference it will make. Either way, very good purchase and a great company. 5By far, the best ITX air cooler for quietness and efficiency. I am using Ryzen 7 1700x in Cougar QBX ITX case (with ASRock AM4 ITX MB), man, this CPU is hot. But by far, in my opinion, this is the best ITX air cooler for quietness, efficiency, and compatibility. I am a professional filmmaker. I render a bunch of things for work. This cooler keeps my R7 1700x below 73 degree at crazy full load. This is about the same as other liquid all-in-one coolers. I am so impressed. I did a lot of research on FrostyTech before purchase though. They made so many helpful tests and reviews. Thank you Noctua and thank you frostytech! real good stuff! 5
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Reviews

Customer Reviews

Cool and quiet wins the race Even though I've built systems for several years, this was my very first non-stock-cooler install. I usually go with Intel's stock cooling solutions, which typically work fine for non-overclocked purposes. Since the i5-9600k doesn't come with a cooler, I decided to venture outside of my comfort zone and go for a third-party cooler.After reading many reviews, I decided on this Noctua solution. The primary factors that drove my decision:1) Air cooler.2) Single fan.3) Small profile, so I wouldn't have to worry about overhang/selecting specific components.4) Quiet. Be very, very, quiet.5) Excellent build quality and compatibility, so it might last between several system upgrades.I just finished installing it earlier today, and so far the results have been fantastic. On my old CPU (i5-4440), with the stock cooler, my low-stress temps (web-browsing, music playing) were about 65C. With this new cooler on my new i5-9600k, I'm seeing about 38C on average under a similar load. That's in a fairly warm room, with a hot case (Antec Sonata III - I'm going for a quiet, subdued system.) Also, it is even quieter than my old system! I can't tell that the computer is even on (in terms of noise level) unless I turn the ceiling fan off, which is what I was going for - near silence.NEWBIE MISTAKES TO AVOID:I did all of the silly things I'm about to list - if this is your first time installing a more complicated cooling solution, hopefully this will help! If you're an experienced system builder, then here's hoping you have a good chuckle.1) Hey, look at this nice full-glossy instruction sheet! Guess what you should do before step 3 - you should make sure the CPU is LOCKED IN. I still had it unlocked after dropping in the new CPU, and had all sorts of trouble.2) Step 4 - yay, time to apply the thermal paste! Only.. how do I get it out of the tube? The old paper-clip to the cap trick, right? NO - that cap unscrews with moderate force. Don't punch a hole through it!3) Step 5 - Man, tightening that one screw down with a regular screwdriver is a real pain in the patoot. They should have included a specialized screwdriver to help with this. Guess what, they did! I mentally discarded it after mistakenly thinking it was a piece for AMD CPU installation when I first opened the box. In fact, that odd piece of metal *was* a screwdriver. Oops!Overall, my first adventure into non-stock CPU cooling has been refreshing and rewarding. This Noctua kit seems well made, the packaging was great, and so far it's working like a champ, despite the mild levels of accidental abuse I dispensed during the installation process. I'll be looking at Noctua in the future if I need any more cooling for my rig. 5Fits LGA2066, handles stock i7-7820x clock, Intel stress test I recently purchased a custom built computer for workstation use in pro audio recording, purely on the need for speed and memory capacity. I do not overclock or game, but wanted something solid and fast. It came with a noisy CPU tower so I tried this. Installed the quiet adapter, extremely quiet, mounts are truly universal and all supplied including AMD.Rated at 140w TDP, the processor under load showed up to 200+ watts actual. Running multiple 1 hour tests on all cores (8) at 100% utilization consistently produced temperatures 8-15 degrees below the throttling limit (105C), and no thermal throttling occurred during any test, which DID occur with the original cooler. Recovery to 32-35C at idle was extremely quick. This is far more stress than will be had in actual heavy audio use, and put shame to the supplied cooler.I would buy the next model up at minimum if I was a gamer, but this offered surprising performance, and many reviews have indicated it outperforms some water coolers at many price points. I am a believer... 5Great cooler for a small case, and even keeps up with my previous AIO with less room for airflow Before I start the review, I want to list the components I have installed in my computer:Case: Silverstone GD08Motherboard: Gigabyte GA X99 Ultra GamingCPU: Intel Core i7 5820K @3.3GHzRAM: 16GB (4x4) Corsair Vengeance LPXGPU: Gigabyte G1 Gaming GTX 1070Boot SSD: Samsung 960 EVO 250GBGaming SSD: Mushkin Reactor 1TBHDD: 3x WD Red 4TBBluray Drive: Asus BW-16D1HTBluray Drive: LG WH16NS40For the last few years, I've had a large case (Fractal Define XL R2) sitting on our TV stand. It was an eyesore to have sitting out under the TV (beautiful case, but ugly in the living room), but it was incredibly spacious with great cable management, and housed all of my components with no issues.In that case, I was using an ARCTIC Liquid Freezer 240 to keep my CPU cool. The computer is a work horse (gaming, video encoding, Plex server, etc.), so having a quality CPU cooler is a must.I was finally able to find a quality case that would fit all of my components while fitting in to the TV stand, and also blending in (SilverStone GD08B). However, the smaller case meant that I would no longer be able to use a 240mm cooler for my CPU. It's HTPC form factor also limited my choices for a new cooler because of its height limitations.I did a great deal of research on low height coolers, and finally settled on the NH-U9S. I knew I wasn't going to get the same cooling performance I got with my AIO, and I knew the air flow in the new case was not going to be great with the number of drives in place. I was maxing out at about 62 C under full load with my old setup.Installation of the heatsink was incredibly easy; I was done in less than five minutes. Once I got everything installed in the new case and fired it up, I immediately saw an increase in idle temps. Where I was getting 28 C-35 C before, I was now seeing 39 C at the low end, but averaging in the low 40s at idle. Not great, but expected. Once I started encoding my first video, I saw temps shoot up to the high 70s, and reaching into the low 80s at some points, which was less than ideal. But, I knew the tradeoffs with the new setup, and it was still in the safe range, so I was ready to deal with it.I decided to try and manually adjust the fan speeds and curves to try to improve the cooling a bit, so I went into my bios and looked at the fan setup. For some reason, it was reporting my CPU fan at 0RPM, no matter how I adjusted it. So I cracked the case open, expecting that I did something stupid like I forgot to plug in the header, and found out that one of my SATA cables was stopping the fan (anyone who has used the GD08 with both optical drive bays and SSDs installed knows that cable management is tough). So i pushed it back, and the fan started spinning again.I booted back into Windows to see if that made a difference. Sure enough, I was now seeing idle temps down in the mid 30s (I set up the fan curves to run at 20% even at idle). Major difference. I saw even more improvements under load. I've been encoding for the last 4 and half hours (95-100% load the whole time), and the CPU has been sitting in the mid 60s for the most part, with only one core hitting 70 C at max (but averaging around 68 C). So in other words, without a fan on this heatsink, my CPU was kept under or at 80 C under full load, and now I'm seeing just a few degrees more than I was with my old AIO. I may even be able to (very moderately) overclock my CPU even in the new case.I am incredibly happy with how well this cooler is working out, considering the space limitations I was working with and the limited airflow inside the case due to how much I've crammed in there. I would definitely recommend this cooler for anyone looking for a low height or small form factor cooler. 5Terrific product, but impossible to install in many socket 115X mini towers. Everything is impressive. Beautifully designed, manufactured, and packaged; but I can't install it in any of my Dell socket 115X mini towers because the instructions are written to assume the wrong back plate on the motherboard. The instructions show a smaller back plate whose only function is to provide for mounting the CPU retainer. THAT back plate DOES leave free the holes you need. But THIS is NOT the back plate used on many Dell mini towers: e.g. 9020, 7020, 790, et al and the same goes for other makes of towers. These towers have a much larger X-shaped back plate that uses the holes required for installing this Noctua cooler.Noctua s instructions show the wrong back plate, advising you to leave it in place; but with the actual back plate used in many socket 115X towers, you can t leave it in place because it uses the holes you need to install the Noctua, and you can t remove the back plate because then there s nothing to receive the mounting screws for the CPU retainer.You might think, well, just return it and get a refund. But there is no just. I m physically disabled, don t have a car, and don t live anywhere a post office. Even if I had a car or were willing risk using public transportation, I could never handle waiting on the long lines at the post office. I could hire a car service, but that would cost most of the price of the product. I could call in a favor, but I try to save that for larger issues. So I ll have to eat this one, because no one at Noctua checked an obvious and important detail whether or not this or that computer has a useable back plate.I ve written this in the hope of sparing others a waste of time and/or money. 3Quiet, cool, all around awesome cooler The fan on this thing isn't even audible from 4 ft away until you get above 50% speed. Even then, it doesn't make much noise.I've been running this on a Core i7-3770K (delidded) at 4.6GHz with 1.3V. I've never seen temps rise above 70-75C on full load. Considering the size and silence of this cooler, it is really quite amazing what Noctua has managed to do.This cooler replaces the older Noctua NH-U9B. That cooler might seem tempting because of it's two fans, but this is certainly better. The newer NH-U9S has a single more effective fan, an extra heatpipe, and is designed to be compatible with more motherboards. The extra fan on the old cooler doesn't have a whole lot benefit when you consider the extra noise to make. Definitely go with this more refined design. 5Used with My TT Core V1 Mini ITX for cool temps. Keeps it chilly and Ultra Silent! Most efficient and effective heatsink you can get for a Mini ITX build. I researched all the mini itx heatsinks I could find for a good 7-8 hours before I went with the u9s from Noctua. I used it in conjuction with the i7-6700k skylake processor in a Core V1 case from Thermal take which is enclosed and has little airflow and it works wonderfully.My temps during idle are 31C and around 64C during max load using Prime 95 for max heat. As soon as I close prime within 10 seconds it drops back to 35 C. It's really effective and keeps it cool. A9 fans are whisper quiet and inaudible up till around 800rpm then they are whisper quiet till around 1300 rpm. Best quality fans and they sell for around $20 normally. The motherboard I used with the asrock z170 gaming 5 and it allowed for me to put on both A9 fans with ease. Clears the mobo as well as the ram easily. Check out pics and highly unprofessional video for more info. Feel free to leave any questions in the comments. 5Noctua comes through, as always! First and foremost, I admit I'm a big baby and refuse to give AIO water coolers a try. After reading about all the ruined system components due to leaks, I realized I'd never consciously be able to leave the PC unattended and keep any sort of peace of mind. Enter Noctua. I've been using their coolers for many years now, starting with the NH-D14. Recently I decided I wanted to build a nice, compact Mini-ITX gaming PC and do away with my behemoth of a full tower (the system that used the NH-D14).In the end, I knew I was going with Noctua, and I knew I wanted to overclock (i5 4690k). My case (Thermaltake Core v1) listed 140mm as the maximum cooler height. Armed with that knowledge, I compared all of Noctua's Mini-ITX compatible cooling solutions via height/benchmarks and finally decided that the NH-U9S was the cooler for me. In a push/pull config (thanks to a 2nd NF-A9, @4.5Ghz OC (1.2v) I idle at 32C, and full load at just over 70C (still WELL within the thermal limit!). For reference, @4.0Ghz OC (1.0v), I idle at 30C and full load at 61C. For its size, this thing is absolutely incredible! If you're thinking of building in a Mini-ITX case and can clear the height, this is my recommendation! 5Fantastic Job for a Smaller CPU Cooler I bought this cooler to replace the stock cooler on my intel I7-8700 CPU... My case would not accept a full size (over 160mm) cooler so I was anxious to see how this smaller cooler performed. Under Prime 95 for 2 hours, my stock cooler ran the CPU at 81 degrees C...this Noctua cooler under the same ambient temp runs the CPU at 72 degrees C. Using the AIDA Stability test... stock cooler was 94 degrees... Noctua NH-U9S was only 70 C...awesome 5This cooler was very easy to install Build:Processor-i5 4690kMother Board- Asrock z97 Anniversary EditionGPU- EVGA 04G-P4-3966-KR GeForce GTX 960 4GB 128-BitRAM-Crucial Ballistix Sport 16GB DDR3-1600PSU- EVGA SuperNOVA 750G2 80PLUSCase-LIAN LI PC-9FThis cooler provides mounts for Intel and AMD.I bought this cooler because I was getting 40C idle, and about 60C under 50% load for the processor. While the temperatures weren't ridiculously high, they were above what I would consider normal. Before buying this cooler, make sure that you can access the rear part of the mother board (opposite the processor). A bracket, which is provided, must be mounted from the rear side of the motherboard. This cooler was very easy to install, the packet comes with all the tools, instructions, and equipment needed. It's rare to see such nicely thought out packaging. While the heat sink does not block ram slots, the fan provided does. The solution to blocked ram slots is just moving the fan slightly higher on the heat sink, so blocked RAM slots aren't an issue unless they have large heat sinks also. I've attached an image so you guys can get a feeling of how large the unit is. My idle temp has dropped to 28C-31C and the same 50% load hovers at around 40C-45C. The fan is also strangely silent, I really wasn't sure if it was on or not until I tested it with a piece of paper. I will be buying a second fan for this unit in the near future in order to make a push and pull configuration. Not because it's needed, but because I want to see the difference it will make. Either way, very good purchase and a great company. 5By far, the best ITX air cooler for quietness and efficiency. I am using Ryzen 7 1700x in Cougar QBX ITX case (with ASRock AM4 ITX MB), man, this CPU is hot. But by far, in my opinion, this is the best ITX air cooler for quietness, efficiency, and compatibility. I am a professional filmmaker. I render a bunch of things for work. This cooler keeps my R7 1700x below 73 degree at crazy full load. This is about the same as other liquid all-in-one coolers. I am so impressed. I did a lot of research on FrostyTech before purchase though. They made so many helpful tests and reviews. Thank you Noctua and thank you frostytech! real good stuff! 5
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