Noctua has today unveiled its new NT-H2 thermal compound as well a new cleaning solution with the NA-SCW1 cleaning wipes. The NT-H2 looks to improve upon the already existing NT-H1 thermal paste with a new chemical structure and zerocuring time.

The new Noctua NT-H2 thermal compound builds upon the previous success of the NT-H1 material with a new blend of metal oxide microparticles for an improved and lower thermal resistance. The lower bond-line thickness with conventional mounting pressures allows for less air cavity concentration which should provide better thermal conductivity between the heatsink plate and the heat spreader. As with the Noctua NT-H1 compound, the new NT-H2 doesn't require a curing period and Noctua state that an application of NT-H2 can be used effectively for up to 5 years on a CPU.


The Noctua NT-H1 thermal paste was tested in a 50-paste round-up I did back in 2017

Noctua, as per their own in-house testing, determined that the NT-H2 operates up to 2°c lower than NT-H1. The NT-H2 is also non-corroding and non-conductive so there's no risk of short-circuiting components and is suitable to use with all types of heatsinks including copper, aluminium and nickel plated.

Noctua has released the NT-H2 thermal paste in two different packages; a standard 3.5 g and larger 10 g tube. Packaged with the smaller NT-H2 3.5 g paste is three new NA-CW1 cleaning wipes while the larger NT-H2 10 g will come with ten. The new Noctua NA-SCW1 cleaning wipes are designed to clean CPUs, GPUs and the contact surfaces of heatsinks. Each individual wipe is moistened with a custom detergent mixture for enhanced cleaning capability, but Noctua hasn't highlighted which materials have been used. Noctua's NA-CW cleaning wipes are available seperately in packs of 20.

On the back of the NT-H2 announcement, Noctua has revealed that it will be launching its NT-H1 thermal compound in a new 10 g package which is set to retail for 14.90 USD/EUR; the existing NT-H1 3.5 g costs 7.90 USD/EUR. There is currently no indication whether or not the new NT-H1 10 g package will include the cleaning wipes.

The new NT-H2 3.5 g will cost 12.90 USD/EUR with the 10 g package will cost 24.90 USD/EUR, while the NA-SCW1 20 pack of cleaning wipes will retail for 7.90 USD/EUR. All of these are set to hit Amazon channels within the next few days, while the stock is set to filter through to partners and retailers shortly.

Source: Noctua

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  • quorm - Tuesday, January 29, 2019 - link

    It's important to add an additional layer of NT-H1 so your processor doesn't get cold during the winter. Reply
  • dakishimesan - Tuesday, January 29, 2019 - link

    lol Reply
  • Samus - Wednesday, January 30, 2019 - link

    lmao Reply
  • gavbon - Tuesday, January 29, 2019 - link

    Thanks for pointing that typo out - Edited Reply
  • ikjadoon - Tuesday, January 29, 2019 - link

    "up to 2°c lower" = "up to" is the key phrase here.

    Presumably, Noctua's coolers will still bundle the cheaper NT-H1? Surprised they're keeping this older version around; Noctua's never been one to shy from premium pricing.

    Curious how this performs against the Thermal Grizzly Kryonaut.
    Reply
  • ydeer - Tuesday, January 29, 2019 - link

    I tried Kryonaut and NT-H1 and strongly prefer the latter for its ease of application.
    The consistency of the Noctua paste was so much easier to work with than the Kryonaut which was almost chewing-gum like.

    I suspect a perfect application of Kryonaut would perform slightly better but seems much harder to achieve, so I strongly prefer the Noctua.
    Reply
  • ikjadoon - Wednesday, January 30, 2019 - link

    Oh, that's a great point. Huh, Tom's Hardware said NT-H1 was more viscous and harder to apply than TG Kryonaut? But perhaps they took shortcuts.

    https://www.tomshardware.com/reviews/thermal-paste...

    I know TG now includes a flat applicator, but perhaps it's still too thick.
    Reply
  • npz - Tuesday, January 29, 2019 - link

    From the author's own tests in the article of the video
    https://play3r.net/reviews/cooling/thermal-paste-c...

    the NT-H1 did 1C better at stock and the Kryonaut did 1C better at overclock
    Reply
  • npz - Tuesday, January 29, 2019 - link

    so you can figure out based from that the NT-H2 would be 2C better, probably during the OC scenario Reply
  • ikjadoon - Tuesday, January 29, 2019 - link

    See, that's the kind of extrapolation we can't make just from this data. "Up to 2C" at what heat dissipation? 200W or 400W?

    They give absolutely zero data in this press release. "Up to 2C" is about the weakest statement Noctua could've put in a thermal paste press release (as 1C or lower would be panned as joke of an upgrade). Where is the thermal conductivity improvement? Where is the test condition? What is the standard error? They have that data...and I've just found it in another page that might be useful to add to the article:

    NT-H2 vs NT-H1:

    https://noctua.at/en/performance-comparison-nt-h1-...

    As expected, you'll need to pull 300W to dock those 2C off your load temps.

    //

    The issue with the reviewer's video, while I sincerely appreciate the time it took especially with the curing time, is that it's still a one-and-done test. With the tiny variances in thermal paste, it's got to be at least 2 tests. :( That's much more time, so I sympathize. Perhaps just testing the TIMs that have often shown better results instead of 20+ TIMs. :(

    Even Noctua mentions this:

    "In order to reduce the margin of error, it is crucial to do multiple applications and average the results. "
    Reply

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