Noctua
Noctua NT-H1 3.5g, Pro-Grade Thermal Compound Paste (3.5g)
Bottom line: The Noctua NT-H1 3.5g: 3.5g yields ~15 AM4/LGA1700 applications, ~20 on LGA1200; main trade-off: 3.5g covers only ~3 applications on large TR4 Threadripper dies.
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Pros & Cons
Pros
- ✓ 3.5g yields ~15 AM4/LGA1700 applications, ~20 on LGA1200
- ✓ Dot-and-mount application; no pre-spreading before heatsink install
- ✓ Cleans off with a dry paper towel, no isopropyl alcohol needed
- ✓ Rated for up to 5 years of service life on a CPU
Cons
- ✗ 3.5g covers only ~3 applications on large TR4 Threadripper dies
- ✗ Not a liquid metal, so it trails the peak performance of that class
- ✗ Shelf life capped at ~3 years, so bulk-buying spare tubes wastes paste
- ✗ No included spreader or application stencil in the pack
Manufacturer description
Noctua's NT-H1 is the thermal compound that turned a cooling-company side product into a benchmark, and the 3.5g tube is the version most builders actually buy. What you get is a non-curing, non-conductive compound that transfers heat from a CPU or GPU die into an air tower or AIO cold plate more efficiently than the stock paste pre-applied to most coolers. Application is deliberately simple: place a dot, mount the heatsink, and let mounting pressure spread it. No spreading step, no cleaning alcohol at teardown, since a dry paper towel lifts it off the IHS. Noctua rates NT-H1 for up to 3…
SpecPicks Verdict
SpecPicks scored Noctua NT-H1 3.5g using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Noctua's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
How many times can I use a 3.5g tube of Noctua NT-H1?
Noctua rates the 3.5g pack at roughly 3-20 applications depending on CPU size: about 3 for TR4 Threadripper, around 15 for AM4 or LGA1700, and up to 20 for LGA1200.
Do I need to spread NT-H1 before installing the heatsink?
No. Noctua designed NT-H1 to be applied without pre-spreading; mounting pressure from the cooler distributes it across the heat spreader.
How do I clean NT-H1 off my CPU?
A dry paper towel or tissue removes it. Noctua states no cleaning alcohol is required, though isopropyl is still fine for a final polish.
Can I use NT-H1 on a GPU, PS5, or laptop instead of a CPU?
Yes. Noctua lists AMD Radeon and Nvidia GeForce GPUs, PS4/PS5, Xbox, and laptops alongside AMD Ryzen and Intel Core CPUs as supported applications for air and liquid coolers.
How long does NT-H1 last before it needs replacing?
Noctua's recommended usage time on a CPU is up to 5 years, with a recommended storage time of up to 3 years for an unopened or partly used tube.
Key Features
- Renowned premium-grade thermal compound for optimal heat-transfer from the CPU or GPU to the heatsink; more than 150 awards and recommendations
- Easy to apply (no need to spread before heatsink installation) and easy to clean with dry paper towel or tissue (no cleaning alcohol required)
- For air and liquid coolers (DIY/AiO), can significantly lower temperatures compared to stock pastes on AMD Ryzen and Intel Core CPUs, AMD Radeon and Nvidia GeForce GPUs, PS4/PS5, Xbox, laptops, etc.
- Trusted Noctua quality with excellent long-term stability: recommended storage time up to 3 years, recommended usage time on the CPU up to 5 years
- 3.5g pack for around 3-20 applications (depending on CPU size, e.g. ~3 applications for TR4, ~15 for AM4 or LGA1700, ~20 for LGA1200)
Full Specifications
| Brand | Noctua |
|---|---|
| Weight | 3.5g |
| Compatibility | PS5, PS4, Xbox |
Ready to buy?
Noctua NT-H1 3.5g, Pro-Grade Thermal Compound Paste (3.5g) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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