📦 How to Choose the Best Thermal Paste: Complete Buying Guide

Thermal Paste: Types, Application, and CPU Cooling Performance

Thermal paste transfers heat between CPU and cooler for efficient cooling. Understanding thermal compound options helps select appropriate products for various builds.

Paste Importance

Fills microscopic gaps.
Essential for heat transfer.
Without it, CPU overheats.
Critical component.

Types of Compounds

Metal-based: highest performance.
Ceramic: safe, good performance.
Carbon: balanced option.
Silicone: budget, lower performance.

Metal-Based Caution

Contains metal particles.
Electrically conductive risk.
Best performance.
Careful application required.

Ceramic Advantages

Non-conductive.
Safe around components.
Good thermal performance.
Popular choice.

Application Methods

Pea method: center dot.
X method: corners.
Line method: rectangle chips.
Spreading: even coating.

Amount Needed

Small amount effective.
Pea-sized typical.
Too much can insulate.
Thin layer goal.

Longevity

Quality paste lasts years.
Some dry out faster.
Reapply during maintenance.
Check temperatures.

Popular Brands

Arctic MX-4: reliable, safe.
Noctua NT-H1: premium.
Thermal Grizzly: enthusiast.
Arctic Silver 5: classic.

Cleaning Old Paste

Isopropyl alcohol (90%+).
Lint-free cloth.
Remove all residue.
Clean before reapply.

Practical Recommendations

For most builds, quality ceramic paste ($5-15) provides excellent cooling.
Non-conductive types safer for beginners.
Pea-sized application in center works well.
Clean old paste thoroughly before reapplying.

Frequently Asked Questions

What should I look for when buying thermal paste?

Key factors include build quality, user reviews, and value for money. Top-rated options like the ARCTIC ARCTIC MX-4 (incl. Spatula (4.8★ from 69,675 reviews) demonstrate what quality looks like in this category.

How much do thermal paste typically cost?

Prices range from $5 to $120, with most quality options around $41. Budget options under $8 work for occasional use, while premium models over $62 offer better durability and features.

Which thermal paste are most popular right now?

The ARCTIC MX-4 (incl. Spatula is currently top-rated with 4.8★ from 69,675 verified reviews. Check our full comparison at /best/thermal-paste for all top picks.