Testing Results, Low Fan Speed (7 Volts)

Switching things up a bit, let's next take a look at cooler performance with the NH-U12A fans taken down to 7 Volts.

Core Temperature, Constant Thermal Load (Low Fan Speed)

With the speed of its fans reduced down to 800 RPM, the NH-U12A becomes virtually inaudible to a user that sits one meter away from it. The thermal performance still comes close to 140 mm coolers, with the NH-U12A being unable to match it but landing near them, all while outperforming most other similarly-sized cooling solutions.

Average Thermal Resistance

A closer look at the charts reveals that the NH-U12A actually is rather efficient with the handling of very heavy thermal loads even with reduced airflow. This suggests that the cooler will be able to handle overclocked processors without the thermal control of the motherboard having to shoot the speed of the fans too high, maintaining low noise levels.

Fan Speed (7 Volts)

Noise level

Testing Results, Maximum Fan Speed (12 Volts) Thermal Resistance VS Sound Pressure Level


View All Comments

  • AstroGuardian - Monday, July 15, 2019 - link

    Don't even think about using a boxed Ryzn cooler. That BS is crap. Reply
  • Qasar - Tuesday, July 16, 2019 - link

    at least a cooler is supplied with a ryzen cpu, and seems its pretty good for a " stock " cooler. intels cpus dont even come with one Reply
  • AshlayW - Tuesday, July 16, 2019 - link

    They are not "crap". The Wraith Prism is a fantastic cooler considering its size, and even has RGB. It has quad cooper heatpipes and can handle the 2700X at 4.1 Ghz all core (let alone the 3700X with its lower power use). It is sufficient for running stock 3900X or a very slight all core OC on the 8 core parts. And as someone else said, it's certainly a lot better than the "competition".... which doesn't even include one.

    The Wraith Spire and Stealth are adequate for their respective CPUs, at stock. You don't have to pay a single penny extra to get your system up and running, with the "K" series from Intel,add $30 onto their asking price just to get a cooler.

    Sorry for the long comment, just wanted to combat the misinformation
  • AshlayW - Tuesday, July 16, 2019 - link

    copper* , sorry fat fingers Reply
  • Dragonstongue - Tuesday, July 16, 2019 - link

    ahem careful there
    "among the best fans" absolutely, best is VERY far stretching IMO
    also, just because they list for $30 per fan ($20 is about highest average usually ~$15 + ship etc)
    that is NOT their cost, take at base price say $15 per =$30 the cooler alone another $30 = $60 they should list at not $100+, why is quite simple actually, when you are producing something that is at best middle ground for 150w coolers it should not be priced above the vast majority of even top end coolers, not when there are so very many options to choose from, even from a "niche"
  • GreenReaper - Thursday, July 11, 2019 - link

    The pound isn't worth what it used to be eight years ago, either:
  • nivedita - Thursday, July 11, 2019 - link

    Noctua isn’t an American company Reply
  • logamaniac - Thursday, July 11, 2019 - link

    nor the pound an American currency Reply
  • Dug - Thursday, July 11, 2019 - link

    Nice to see a new cooler review. Hopefully more can come down the pipeline and get rid of the old coolers on here that you can't even buy. Reply
  • eastcoast_pete - Thursday, July 11, 2019 - link

    Thanks for the review. Two questions/comments:
    1. You mentioned the Evo212 in some paragraphs and a graph. I also believe that this is a good comparison cooler, as it also addresses price/performance. And, while the Noctua is a bit of a niche product, I would have like to see how it did compared to the higher priced "extra quiet" heatsinks shown. If you have the data, could you share them?
    2. I know that many people who are looking for that kind of cooler wouldn't care for whatever setup came with their CPU. However, those have the best price - free (with the CPU). It would be nice to know just how much extra thermal performance one gets by replacing the coolers that come with the CPU. May suggestion is to show the performance of the respective boxed Intel and AMD cooler alongside. With AMD making noise about their Wraith Spire cooler's performance (included with most of their desktop CPUs), I would really like to know just how much better these aftermarket ones are. Thanks!

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