What is the W/m.k rating?

While NT-H1 had a thermal conductivity of 8.9 W/m.K and a density of 2.4 g/cm³, NT-H2 has a density of 2.81g/cm³, although the thermal conductivity is unspecified (should be around 9 W/m.K. Do note that Noctua is still sending NT-H1 with their coolers, which is why you can get the NT-H2 only through the stores. ~posted from the first result in my google search... (throws hand in the air)... Noctua doesn't list the W/m.K officially. From use I would agree with this information.

hello, what thermal conductivity does this pasta have? ...

I don't recall exactly. About 3 years ago I tested several using a 5960X overclocked to the max and it was producing about 260 Watt running Prime 95. The NT-H2, Thermal Grizzly Kryonaut, Thermalright TF8 and Arctic MX-4 performed the same +- 1 to 2 degrees which is margin of error. I did not like the Kryonaut Because it was messy when you dismount the cooler you better lift it straight up and hold for a few seconds otherwise it pulls strings of it all over the MB. Arctic Silver 5 definitely did not work as well nor did any of the standard white compounds.

Why can't I buy nt-h2 in Washington's State?

Washington State has a law that any disposable wipes have to be labeled, "Do Not Flush" on the package. If a product has disposable wipes without the required statement, they will be barred from sale in the state of Washington. The NT-H2 10g package comes with disposable wipes that are not labeled with the proper label; they cannot be sold in WA. I think it's ridiculous, but I wanted to give you an answer.

isn't Thermalright at 14w/m.k a L0T better ?? that is IF U CAN AFFORD IT.

The only product that will perform better in any meaningful way is a liquid metal. Otherwise, all decent compounds perform within a half a degree. Instead, you should be much more concerned with “run out” which is a measurement of longevity. A good compound will last several years without showing a reduction in performance. Noctua makes excellent compounds.

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Noctua NT-H2 10g, Thermal Computer Paste incl. 10 Cleaning Wipes (10g)

Noctua NT-H2 10g, Thermal Computer Paste incl. 10 Cleaning Wipes (10g)

4.8/5

Product ID: 187313805

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Details

Product Dimensions
2.95"L x x
Brand
Noctua
Power Connector Type
4-Pin
Cooling Method
Air
Compatible Devices
Desktop
Material
Hybrid Thermal

⏳Up to 5 years stable performance

🔥Superior heat transfer efficiency

🧼Includes 10 premium cleaning wipes

Description

🔥 Stay cool, perform cooler — the secret weapon for pros.

VALUE PACKED KIT - 10g paste with 10 cleaning wipes covers up to 60 applications—ready for every upgrade.
LONG TERM RELIABILITY - Maintains thermal efficiency for up to 5 years, ensuring lasting system stability.
EFFORTLESS APPLICATION - No spreading needed—just apply and install for a flawless fit every time.
VERSATILE COMPATIBILITY - Optimized for AMD, Intel, Nvidia, PS4/PS5, Xbox, and laptops—one paste to rule them all.
NEXT LEVEL COOLING POWER - Premium-grade thermal compound slashes CPU/GPU temps for peak performance.

Noctua NT-H2 is a premium thermal paste designed to maximize heat transfer from CPUs and GPUs to heatsinks, significantly lowering operating temperatures. It features easy application without spreading, includes 10 cleaning wipes, and offers long-term stability for up to 5 years. Compatible with a wide range of processors and gaming consoles, this 10g pack supports multiple applications, making it ideal for enthusiasts and professionals seeking reliable, high-performance cooling.