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Best Thermal Paste for Laptop and Desktop 2026

When to Replace Thermal Paste

Desktop PC with cooling fans and components
Desktop PC with cooling fans and components

Thermal paste degrades over 3-5 years. Replacing it can lower CPU temperatures by 5-15°C, reducing thermal throttling and extending component life. Signs you need new paste: higher-than-normal temperatures, increased fan noise, or thermal throttling during light workloads.

Top Thermal Paste Picks

Best overall: Noctua NT-H2 — excellent performance, easy application, non-conductive. Premium: Thermal Grizzly Kryonaut — top benchmark performer, favourite of overclockers. Budget: Arctic MX-6 — 90% of premium performance at half the price.

PasteBest ForBuy
Noctua NT-H2General use, easy applyCheck Price
Thermal Grizzly KryonautOverclocking, enthusiastCheck Price

Frequently Asked Questions

How often should I replace thermal paste?

Every 3-5 years, or sooner if temperatures have increased noticeably.

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