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NT-H2 is the further improved second generation of Noctua’s award-winning hybrid thermal compound. Combining the iconic NT-H1’s proven features, superb ease-of-use and renowned long-term stability with a novel, fine-tuned formula of micro particles for even better thermal performance, NT-H2 is an enthusiast-grade paste for the highest demands. Whether it’s air- or water-based cooling, CPU or GPU applications, overclocking or silent systems: NT-H2 will consistently deliver outstanding results and thanks to the included cleaning wipes, it is just as easy to remove as to apply.
Next-generation performance
Further improving the award-winning NT-H1, NT-H2 uses a new, fine-tuned mixture of metal oxide micro-particles for even lower thermal resistance and reduced bond-line thickness at typical mounting pressures. This allows it to achieve even better performance in most application scenarios.
Easy to clean with included wipes
The 3.5g pack of NT-H2 includes three large NA-CW1 cleaning wipes that are pre-moistened with an isopropyl alcohol mixture and make it child’s play to remove: Simply wipe off the paste from the CPU and the base of the cooler using one of the wipes and you’re done!
Not electrically conductive, non-corroding
While some high-end thermal compounds and pads are risky to use due to their electrical conductivity or corroding properties, there’s no risk of short-circuits with NT-H2 and it’s completely safe to use with any type of CPU cooler, regardless of whether it’s made from copper or aluminium and whether it’s nickel-plated or not.
Excellent long-term stability
NT-H2 unique formula is highly stable over time, even after longer periods of usage. It can be stored at room temperature for at least 3 years and due to the compound’s exceptional curing, bleeding, dry-out and thermal cycling characteristics, it can be used on the CPU for 5 years or more.
3.5g package for 3-20 applications
Sufficient for around 3-20 applications (depending on the size of the CPU or GPU, e.g. around 3 applications for large CPUs such as TR4 and around 20 for small CPUs such as LGA1151), the classic 3.5g packaging size is ideal for most users who only install coolers every now and then.
Easy to apply
Thanks to its excellent spreading properties, there is no need to manually spread NT-H2 before installing the cooler: Simply apply some paste onto the CPU (see instructions for details), put on the heatsink and you’re ready to go!
B.B.
Reviewed in the United States on February 22, 2025
This is by far my favorite thermal paste to work with. It's a proven formula that will give you solid temperatures when used properly (as in don't over apply!). However, there are many pastes that can do this cheaper. What this paste has going for it over others is how easy it is to spread, and honestly I have had good luck just applying a generous amount to the center of a processor and letting the heatsink to do the work for me. Some might cry that there are better ways to apply paste, but when I compared temps between methods, it made a negligible difference in practice. If you are really price conscious but want something similarly easy to work with, I recommend checking out the NT-H1 formula as it's nearly as good and is also very easy to apply.
Sam Fisher
Reviewed in the United States on February 19, 2025
TL;DR:Noctua NT-H2 delivers impressive cooling performance at a price that undercuts the competition. The included cleaning wipes are a nice touch, and it's non-conductive, giving peace of mind. It shaved off 4-6°C compared to previous thermal pastes, making it a smart choice for demanding CPUs and GPUs. Highly recommended for anyone wanting better cooling without emptying their wallet.Full Review:The Noctua NT-H2 3.5g thermal paste comes with three large cleaning wipes, which is awesome. You get plenty of paste – enough for multiple applications. Honestly, I was hoping for something effective, and its performance is surprising given the price.The paste itself looks like your typical silver compound. It's non-conductive, which is great because I don't have to worry about accidental spills frying my components, especially with some of the heat spreader designs out there. Plus, it doesn't require any “cure” time. I just applied it, mounted the cooler, and was good to go. Instant results are my kind of thing.I saw a significant temperature drop – around 4-6°C – compared to other pastes I've used. I push my hardware hard, especially my array of modded Quadro RTX GPUs. They tend to run hot even with proper airflow. The temperature drop was consistent across all the GPUs I re-pasted, which was a huge relief. It performs nearly as well as Kryonaut. Maybe Kryonaut *might* have an edge of 1°C or two under extreme load, but the cost difference makes Noctua the smarter choice for me.Basically, the Noctua NT-H2 is a fantastic performer that won't break the bank. You get more paste and the cleaning wipes, all for less than a smaller tube of Kryonaut. Unless you need liquid metal, this is easily the best deal I've found. I'm definitely sticking with this stuff.---Product: Noctua NT-H2 3.5g, Thermal Computer Paste incl. 3 Cleaning WipesASIN:
Edgar R.
Reviewed in Mexico on July 24, 2024
llevo bastante tiempo con esta pasta térmica, es muy buenas ya que puede bajar 1 o 2 grados mas que otras pastas térmicas lo que me hizo comprarla es que viene con sus toallas de alcohol isopropílico que con una basta para limpiar el sistema de refrigeración que en este caso es una asus tuf f15, RECOMIENDO cambiar la pasta térmica segun el uso que le des ya sea esta pasta térmica o otra, solo infórmense bien sobre la conductividad térmica de la pasta
Kraken01
Reviewed in Singapore on June 22, 2024
Good
J.Allen
Reviewed in the United States on December 25, 2024
All of the top TIM pastes are within 1 degrees C of each other. Read any recent thermal paste roundup and the same half-dozen brands will be in the top 6 places, so you can base your purchase on value and ease of application, unless you are overclocking to the max (in which case you are probably not using air cooling anyway). I have recently used NT-H1 as well as Thermal Grizzly and could not discern any difference in performance. IIRC, NT-H2 was at the top of the pastes, and Thermal Grizzly was less than a degree behind. However, TG price per gram is WAY higher.My current 12th Gen Intel Rig is not overclocked and I cannot get the CPU temp to break 60C with P95.
Maxime Verstoken
Reviewed in Belgium on November 8, 2024
La qualité des produits noctua n'est plus à faire. Satisfait entièrement à ce pour quoi elle est destinée. Les lingettes sont également très efficaces et bien imbibées.
god88 (Tech Scene)
Reviewed in Italy on January 5, 2023
La pasta termoconduttiva NT-H2 di Noctua è un prodotto di alta qualità progettato per migliorare la trasmissione di calore tra componenti di computer, come CPU, GPU e MOSFET. L'ho testata sia su una CPU Intel Core i9-12900K che su una GPU Zotac GeForce RTX 3080 Trinity OC e in entrambi i casi ho notato una significativa diminuzione della temperatura dei componenti. La confezione include una siringa di pasta termoconduttiva da 3.5 grammi e tre salviette monouso imbevute di alcol isopropilico per pulire le superfici e rimuovere eventuali residui di pasta termoconduttiva precedente.L'applicazione è molto semplice: basta pulire accuratamente le superfici che verranno a contatto e applicare la pasta termoconduttiva seguendo le istruzioni del produttore. In genere, si consiglia di utilizzare un pattern di punti, ad esempio un punto centrale da 4 mm e quattro punti da 2 mm agli angoli per una CPU di dimensioni medie. La pasta non richiede tempo di indurimento e dovrebbe funzionare fin da subito. Se la siringa viene richiusa correttamente, le rimanenze di pasta possono essere utilizzate entro circa 3 anni.Non è necessario utilizzare grandi quantità di pasta termoconduttiva: basta una quantità moderata per ottenere ottimi risultati. In generale, il tubetto da 3.5 grammi dovrebbe essere sufficiente per almeno una decina di applicazioni su una CPU. La pasta ha una consistenza media, quindi può non essere facilissima da stendere in strato sottile, tuttavia seguendo la tecnica dei punti consigliata si dovrebbero ottenere ottimi risultati.Le prestazioni della NT-H2 sono molto buone: come ho già detto, ho notato una significativa diminuzione della temperatura della CPU e della GPU dopo averla applicata. Inoltre, la pasta non ha prodotto alcun tipo di contaminazione elettrica, il che è importante per evitare problemi con componenti sensibili.In conclusione, la NT-H2 di Noctua è una pasta termoconduttiva di alta qualità che offre ottime prestazioni e facile applicazione. La confezione include tutto il necessario per una corretta installazione e la durata è molto buona. Consiglio vivamente questo prodotto a chiunque abbia bisogno di migliorare il raffreddamento dei propri componenti di computer, sia che si tratti di CPU che di GPU.
Realm of Nova
Reviewed in the United States on December 18, 2022
This is probably one of the best deals in terms of thermal pastes that you can buy right now. Not only do you get 3.5g of thermal paste for the cost (which is at least 5-8 applications worth of paste on average), but it also comes with 3 high quality, large cleaning wipes. Additionally, for the value you are getting, this thermal paste is also nearly as performant as some of the top thermal paste brands such as Thermal Grizzly's Kryonaut.The paste itself is nothing special appearance wise as it's your standard silvery thermal paste you all know and love, but it is also fortunately non-conductive as well as having no necessary cure time. This is great as it means it won't short out your CPU if it spills over the sides (which is a common occurrence on the new AM5 Ryzen heat spreader design) and it means the paste will be at full effectiveness right out of the gate without any waiting or paste burn-in time. All you have to do is apply the paste, mount the cooler, and that's it. No worries about shorts or high temps with this paste (as long as you still have an adequate heatsink that is).Regardless, I was getting some impressive 5-8°C temperature reductions compared to the MX-4 paste I had been using previously. This is especially important as I am using a Ryzen 7700X with this paste, which in itself already gets really hot regardless of the cooler used. I won't go into detail about the coolers as this review is about the paste itself, and the temperature reductions were similar on each cooler I tried when compared to the MX-4. The more interesting part of this review, however, is when I compared it to Kryonaut. This paste and Kryonaut are incredibly close in temp performance, usually with Kryonaut about 1-2°C cooler in some cases, but that's close enough for me to say that this NT-H2 paste has near equal performance to the much more costly Kryonaut paste.Overall, this is an incredibly high performing paste and an excellent value. For just a little more in cost compared to the base 1g kit of Kryonaut, you not only get nearly the same level of performance, but you also get 3.5x more thermal paste and 3 high quality cleaning wipes. In the end, I would highly recommend getting this thermal paste as I personally believe it to be the best "all-around" deal that is currently available. It meets all the standards that I have, and it's difficult for me to choose any other paste over this one unless you want to move up to liquid metal options.
Laurence Gough
Reviewed in the United Kingdom on May 20, 2021
As with everything on my PC I buy, I check many reviews and tests for it before purchasing.I had my heart set on liquid metal TIM (thermal interface material) but after reading about the etching, staining and worry about long term impact on the CPU heatspreader and or heatsink I was not interested any longer.I wanted a thermal compound that lasted a long time without having the hassle and risk involved with taking your PC apart to reapply compound.I had run Noctua NT-H1 thermal compound for 10 years with my I5 2500K CPU which was overclocked quite high to 4.8GHz. Temperatures were always very low and I never once had to reapply the paste, this lasted longer than even specified by Noctua, but they do not lie or fudge numbers like some companies do. Noctua are brutally honest and that I love. Their customer service is also very good.With the modern CPUs of today with their tightly packed, high core counts, it's vital to remove that heat as quickly as possible. With a poor performing compound your CPU isn't going to be boosting as well and it's going to be running warmer, making for a shorter lifespan.Noctua NT-H2 appeared to offer the best performance whilst being safe for all components and having a long lifespan. I've read too many reports of the MX compounds having high peak temperatures even after trying many different application methods and that put me off it, even though it was very cheap.Talking about pricing, I do feel this is quite high price but you do get the wipes included too - although I'd rather they offered a version without the pads too... Perhaps a smaller pack would be good as well as the amount of compound in this would last many applications. The included wipes are very large and come with tons of alcohol soaked in them, plan to clean a lot at the same time as it's very overkill for one CPU and cooler! They are very good quality however.The temps in my system are lower than what most are getting online so I think this compound does help, let's hope it lasts as long as the NT-H1 and I'll be very happy!I ignored Noctua and used the X application method as looking online this gives the best spread on common CPU sizes.Highly recommended.
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