FINAL CHOICE: THERMAL PASTE

You’ve chosen paste. Now choose the right grade.

Thermal paste is the right route for most repaste, repair and upgrade jobs. The final step is choosing the paste that best matches your system, budget and performance goal. Each Thermal Grizzly paste excels in a different area -choose your match, then use our fitting guide for a clean, professional install.

Aeronaut Duronaut Kryonaut Kryonaut Extreme Hydronaut

Final comparison

Each paste excels in a different area.

Start from the cheapest option on the left, then move up to our most popular choice, proven performance, maximum cooling or water-cooling suitability.

Aeronaut Thermal Paste
Cheapest option

Aeronaut

The cheapest, easiest starting point for replacing basic or ageing thermal paste.

Performance7/10
Durability8/10
Ease9/10
Best forBudget builds, beginners, stock paste replacement and simple cost-effective cooling improvements.
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Duronaut Thermal Paste
Most popular

Duronaut

Our most popular recommended choice for strong performance, reliability and long-term stability.

Performance9/10
Durability10/10
Ease7/10
Best forLong-term premium builds, gaming PCs and upgrade jobs where paste longevity matters.
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Kryonaut Thermal Paste
Proven performance

Kryonaut

The proven high-performance choice for everyday demanding builds.

Performance9/10
Durability9/10
Ease6/10
Best forHigh-performance repaste jobs, gaming PCs, laptops and trusted all-round cooling.
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Kryonaut Extreme Thermal Paste
Maximum cooling

Kryonaut Extreme

For enthusiasts and overclockers chasing the highest thermal performance.

Performance10/10
Durability9/10
Ease5/10
Best forMaximum temperature reduction, extreme builds and users who want the top paste option.
Hydronaut Thermal Paste
Water cooling

Hydronaut

Optimised for larger surfaces, water cooling systems and strong price-performance.

Performance8/10
Durability8/10
Ease8/10
Best forWater cooling loops, larger cooling surfaces and controlled workshop applications.
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Once you’ve chosen your paste, check the application guide before fitting to help avoid common mistakes and get the best thermal result.