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Noctua NH-U12S CPU cooler Manufacturer Refburbished - £34.90 - Sold by Noctua / FBA @ Amazon
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Noctua NH-U12S CPU cooler Manufacturer Refburbished - £34.90 - Sold by Noctua / FBA @ Amazon

£34.90£61.9944% Free P&P FreeAmazon Deals
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Posted 11th Apr

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Incredible cooler, will run circles round others at this price (Arctic Duo, Coolermaster 212x, Gammax coolers). Completely silent and cool enough for any processor, rivals 240mm Liquid all in ones, no joke, check Guru3d.

This says used, but it's refurbished by Noctua themselves. It'll be perfect, and comes with a 6 year warranty courtesy of them!

Noctua also send upgrade brackets out when new motherboard platforms launch. This cooler could last you 10+ years easily.

It's quieter than a Kraken x60 240mm liquid cooler that costs over £100
guru3d.com/art…tml
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Removed corsair water cooling and installed this. Much better .
buyer10111/04/2020 23:31

Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen …Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.


I would get this over the arctic, be wary of the reviews, mostly 10min benches that don't put coolers through their paces. The duo isn't even close to this cooler. Guru3d/Tweaktwon do good cooler reviews, the rest have a useless methodology tbh, but neither have got round to the arctic.

They have however looked it its smaller cousin with one fan, the 33

images.tweaktown.com/con…png

The Noctua U12S is 7dB quieter, which is a huge amount. As it's a logarithmic scale, the intensity of the sound at a 7db difference is more than a factor of two greater in energy. And that's with the coolers providing the same amount of cooling. Expect similar noise levels from the duo.

This means if you turn the fanspeed up on the Noctua, you have a huge amount of headroom before it gets to the duo. So it's noise normalised performance will be leagues ahead. It's a much, much better cooler.
Edited by: "zeb.mattey" 11th Apr
47 Comments
Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.
buyer10111/04/2020 23:31

Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen …Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.


I'd go with the ARCTIC Freezer 34 personally. Simply because it's cheaper and performs pretty much on par with this.
Been using this in my PC for a few years. It is excellent and whisper quiet. I will most likely be moving it to my next system as well. Good price.
Just bought a Cooler Master Hyper 212 BE, but tempted to cancel for this..
buyer10111/04/2020 23:31

Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen …Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.


I would get this over the arctic, be wary of the reviews, mostly 10min benches that don't put coolers through their paces. The duo isn't even close to this cooler. Guru3d/Tweaktwon do good cooler reviews, the rest have a useless methodology tbh, but neither have got round to the arctic.

They have however looked it its smaller cousin with one fan, the 33

images.tweaktown.com/con…png

The Noctua U12S is 7dB quieter, which is a huge amount. As it's a logarithmic scale, the intensity of the sound at a 7db difference is more than a factor of two greater in energy. And that's with the coolers providing the same amount of cooling. Expect similar noise levels from the duo.

This means if you turn the fanspeed up on the Noctua, you have a huge amount of headroom before it gets to the duo. So it's noise normalised performance will be leagues ahead. It's a much, much better cooler.
Edited by: "zeb.mattey" 11th Apr
darb011/04/2020 23:43

Just bought a Cooler Master Hyper 212 BE, but tempted to cancel for this..


Do it. This is far better than the Hyper, lower temps, and quieter.
Removed corsair water cooling and installed this. Much better .
zeb.mattey11/04/2020 23:44

I would get this over the arctic, be wary of the reviews, mostly 10min …I would get this over the arctic, be wary of the reviews, mostly 10min benches that don't put coolers through their paces. The duo isn't even close to this cooler. Guru3d/Tweaktwon do good cooler reviews, the rest have a useless methodology tbh, but neither have got round to the arctic. They have however looked it its smaller cousin with one fan, the 33https://images.tweaktown.com/content/8/9/8930_28_arctic-freezer-33-esports-edition-cpu-cooler-review.pngThe Noctua U12S is 7dB quieter, which is a huge amount. As it's a logarithmic scale, the intensity of the sound at a 7db difference is more than a factor of two greater in energy. And that's with the coolers providing the same amount of cooling. Expect similar noise levels from the duo.This means if you turn the fanspeed up on the Noctua, you have a huge amount of headroom before it gets to the duo. So it's noise normalised performance will be leagues ahead. It's a much, much better cooler.


10 minutes is more than enough time for air coolers to reach their max temps, it's water coolers that can take far longer. Even Gamers Nexus that claim to have the best cooler testing methodology around say big air coolers can reach their peak temps within 90 seconds.
buyer10111/04/2020 23:31

Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen …Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.



I have regularly recommended that cooler and still would as it does perform not far away from this cooler... But not as quietly. At this price it is seriously worth considering, but at its usual price you're paying extra pretty much just for quieter operation.
Edited by: "chischis" 12th Apr
Awesome cooler, I use the U14S on a 3700X and it doesn't go above 60C and it's completely silent. Great build quality and customer support too.
would you need to buy thermal paste to go with this?
Is there any point swapping a stock i7 fan for this? My PC has more noise than I like, but something tells me the CPU fan is way down the list, if even on it.
This better then the 2700 cooler? I want to do a over lock but nothing extreme
Upvote for noctua. Just put the NHD14 on my new AM4 build. Bought it 8 years ago, emailed noctua and they sent the bracket no problems.
zeb.mattey11/04/2020 23:45

Do it. This is far better than the Hyper, lower temps, and quieter.


Perfect, will do. Was looking at this new earlier for around £60 but didn't feel worth it, even with the express shipping for an extra £7 the price is still good. Cheers.
These are good coolers no question. One thing that's always bugged me, however, is the gruesome colour.
These are epic. Unbelievably quiet. Just put a 15 on an i9 and with the 3x case Corsair 140mm fans the machine is whisper quiet.
Culexus12/04/2020 09:57

would you need to buy thermal paste to go with this?



Mine came with thermal paste.
Edited by: "GeekUnique" 12th Apr
rollercoaster6312/04/2020 10:18

This better then the 2700 cooler? I want to do a over lock but nothing …This better then the 2700 cooler? I want to do a over lock but nothing extreme


The stock cooler? This is massively better.
Solado11/04/2020 23:40

I'd go with the ARCTIC Freezer 34 personally. Simply because it's cheaper …I'd go with the ARCTIC Freezer 34 personally. Simply because it's cheaper and performs pretty much on par with this.


This is built and cools better than the Arctic by a fair way.
rcom12/04/2020 09:15

10 minutes is more than enough time for air coolers to reach their max …10 minutes is more than enough time for air coolers to reach their max temps, it's water coolers that can take far longer. Even Gamers Nexus that claim to have the best cooler testing methodology around say big air coolers can reach their peak temps within 90 seconds.


Have you really found that? I've done some testing on airflow & coolers and this is never the case (in my tests). I checked Gamersnexus and they didnt mention it in their methodology, the shortest chart I saw them give was a 20min test for the Nh-d14. The problem is if you're doing open bench tests the cooler may reach equilibrium with the air sooner, but in a case there are three systems which must all reach equilibrium. I'm 100% certain in a case temps increase past 10mins, as I've tested it a lot over the past 15 years.
Edited by: "zeb.mattey" 12th Apr
txb0112/04/2020 09:09

Removed corsair water cooling and installed this. Much better .


I did exactly the same on my 1800x, there is a lot of heat coming out the back of the system but the CPU stays within good temps.
Am I reading this correct ? Listed under used ?
Edited by: "pharaohcious7" 12th Apr

Ahh my mistake

40388845-MYEXA.jpg
Invested in an NH-D15 a few years back and it is incredible. Quiet and super low temps. If this is anything like their top end model I’d go for it. Heat for Noctua, probably the best brand in PC cooling hardware.
zeb.mattey12/04/2020 10:56

Have you really found that? I've done some testing on airflow & coolers …Have you really found that? I've done some testing on airflow & coolers and this is never the case (in my tests). I checked Gamersnexus and they didnt mention it in their methodology, the shortest chart I saw them give was a 20min test for the Nh-d14. The problem is if you're doing open bench tests the cooler may reach equilibrium with the air sooner, but in a case there are three systems which must all reach equilibrium. I'm 100% certain in a case temps increase past 10mins, as I've tested it a lot over the past 15 years.


It obviously may differ slightly depending on which case/fans etc you use, but it won't change massively. You're talking about other components inside the PC heating the air the cooler receives. So if a cooler is reviewed on a test bench, a couple of minutes is plenty, even 10 minutes in a case should be plenty of time to run a valid test.

Don't forget, you are talking about 10 minutes of testing in air cooler reviews not being enough, where in reality, 10 minutes is ample time, and many of them use open air test benches anyway, including tweaktown.

The latest Gamers Nexus cooler test video explains it. They don't use a PC at all to test coolers and use a custom test bed

youtube.com/wat…E7E

Their "Steady State" explanation and test starts at 3:30.
Edited by: "rcom" 12th Apr
Solado12/04/2020 11:22

Ahh my mistake [Image]


Man without noise normalised results these are as good as useless, it's the reason it shows a H60 beating a 115i, which is of course hilarious, noise normalised a 115i trashes a h60 in guru3d's tests (obviously, it's got twice the radiator size and is a newer model). Whoever posted those results I'd seriously question their entire methodology if I were you! Probably the worst cooling chart I've ever seen

The hardware scientist on youtube is superb, it gives you an idea of noctua's performance vs the Duo, unfortunately he doesn't bench the U12S directly (he has it in other videos, but comparing the results is pointless as he's not using a delta temp). But he uses the right methodology, noise normalised and with various TDPs to compare use cases.

i.imgur.com/gm8…png

Granted it's a u14S, but that can be had for this price too I just put the u12s up as people prefer small form factors. As you can see, no doubt about it the Noctua's perform better, the duo can't crack 90C even at the highest fan speed it has. The 14S hits 88C and the D15 gets to 85C, which is very impressive. 2C might not seem like a lot, but small increases in temp have dramatic effects on chips due to the exponential nature of heat transfer, it goes as to the power of T, not linearly. It's why people make a big deal out of tiny changes in T.

That said I am pleasantly surprised by the DUO, the performance here is great for a £35 cooler. I'd still take noctua personally, they're the best cooling brand, but damned good showing from arctic.
zeb.mattey12/04/2020 12:22

Man without noise normalised results these are as good as useless, it's …Man without noise normalised results these are as good as useless, it's the reason it shows a H60 beating a 115i, which is of course hilarious, noise normalised a 115i trashes a h60 in guru3d's tests (obviously, it's got twice the radiator size and is a newer model). Whoever posted those results I'd seriously question their entire methodology if I were you! Probably the worst cooling chart I've ever seenThe hardware scientist on youtube is superb, it gives you an idea of noctua's performance vs the Duo, unfortunately he doesn't bench the U12S directly (he has it in other videos, but comparing the results is pointless as he's not using a delta temp). But he uses the right methodology, noise normalised and with various TDPs to compare use cases.https://i.imgur.com/gm8Yf05.pngGranted it's a u14S, but that can be had for this price too I just put the u12s up as people prefer small form factors. As you can see, no doubt about it the Noctua's perform better, the duo can't crack 90C even at the highest fan speed it has. The 14S hits 88C and the D15 gets to 85C, which is very impressive. 2C might not seem like a lot, but small increases in temp have dramatic effects on chips due to the exponential nature of heat transfer, it goes as to the power of T, not linearly. It's why people make a big deal out of tiny changes in T.That said I am pleasantly surprised by the DUO, the performance here is great for a £35 cooler. I'd still take noctua personally, they're the best cooling brand, but damned good showing from arctic.


My recommendation was based off the Artic DUO being £20 yesterday, now it's back and full price the Noctua is a better buy.
Solado12/04/2020 12:33

My recommendation was based off the Artic DUO being £20 yesterday, now …My recommendation was based off the Artic DUO being £20 yesterday, now it's back and full price the Noctua is a better buy.


Duo for £20 is an absolute steal!
Would love to have this, but doesn't fit my small case xD
buyer10111/04/2020 23:31

Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen …Tempted to get this or a ARCTIC Freezer 34 eSports DUO to cool a Ryzen 3600.


whichever you prefer the look of... the Noctua has a great mounting mechanism though.

people tend to lean whichever cooler is quieter or cooler, however in real world a few degrees C would have no perceived difference. All single tower coolers would perform roughly the same with the main performance difference arising from the quality of the included fan
Only 10 left in stock if you're thinking of grabbing one
Wubalubadubdub12/04/2020 10:42

These are good coolers no question. One thing that's always bugged me, …These are good coolers no question. One thing that's always bugged me, however, is the gruesome colour.



Set your RGB to brown
I can only see Noctua sold by designed in Austria at £34.90 + 99p shipping? Is this the one?
Plan to upgrade my i5 6600k and 2700x builds.
Also I have a opened tube of Arctic silver 5 from 3 years ago, I assume its still use able and compatible with this cooler?
Edited by: "kyeung" 12th Apr
txb0112/04/2020 09:09

Removed corsair water cooling and installed this. Much better .


did you have your cpu temp sensor hooked up to pump speed not fan speed? I've noticed many miss that and have noisy radiator fans as a result.
Edited by: "malhal" 12th Apr
kyeung12/04/2020 14:42

I can only see Noctua sold by designed in Austria at £34.90 + 99p …I can only see Noctua sold by designed in Austria at £34.90 + 99p shipping? Is this the one?Plan to upgrade my i5 6600k and 2700x builds. Also I have a opened tube of Arctic silver 5 from 3 years ago, I assume its still use able and compatible with this cooler?


Hey, yeah it is, its from the original manufacturer. These coolers come with Noctua thermal paste, which is better than your old arctic silver 5 anyway
zeb.mattey12/04/2020 15:24

Hey, yeah it is, its from the original manufacturer. These coolers come …Hey, yeah it is, its from the original manufacturer. These coolers come with Noctua thermal paste, which is better than your old arctic silver 5 anyway


Oh better to use the included thermal paste?
I didn't expect manufacturers to include decent compound so my previous coolers I scrape of the poor compound and always bought my own. But if ppl recommends the included compound then will go e it a try. Thanks
kyeung12/04/2020 16:37

Oh better to use the included thermal paste?I didn't expect manufacturers …Oh better to use the included thermal paste?I didn't expect manufacturers to include decent compound so my previous coolers I scrape of the poor compound and always bought my own. But if ppl recommends the included compound then will go e it a try. Thanks


Yeah Noctua H1 paste is considered an excellent product, one of the best on the market at a reasonable price

thermogears.com/bes…es/

It comes with all their coolers
@zeb.mattey@Solado@chischis , thanks for the advice guys.

I’ve done a bit of research and I’m still on the fence, they’re two very similar coolers.
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