Best Thermal Pastes: Boost Your System’s Coolness

Looking for the best thermal pastes to keep your devices cool? Here, you’ll find our top 10 tested and trusted thermal pastes to help you boost your system’s performance with ease.

Thermal pastes are essential for keeping your devices cool. They help transfer heat from CPUs and GPUs, ensuring peak performance. Without them, your system could overheat and slow down.

Choosing the right thermal paste can be confusing. There are many options, each with unique features. This guide will help you find the perfect match for your needs.

We’ve tested and reviewed the best thermal pastes available. Whether you’re a beginner or a pro, you’ll find reliable and effective options here. Get ready to upgrade your cooling game!

List of Top 10 Thermal Pastes

Title	Best For	Price
ARCTIC MX-4 (4 g) – Premium Performance Thermal Paste for All Processors (CPU, GPU – PC, PS4, Xbox), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive, Non-capacitive	The ARCTIC MX-4 is perfect for anyone who wants to keep their computer or gaming console cool. It works great for PC builders, gamers, and tech lovers who need a safe and easy-to-use thermal paste that lasts a long time.	View on Amazon (paid link)
ARCTIC MX-6 (4 g) – Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive	The ARCTIC MX-6 is perfect for anyone who wants to boost their device’s performance with easy-to-use thermal paste. Whether you’re upgrading a CPU, GPU, or console, this non-conductive, long-lasting solution ensures safe and effective cooling for all your tech needs.	View on Amazon (paid link)
ARCTIC MX-4 (incl. Spatula, 4 g) – Premium Performance Thermal Paste for All Processors (CPU, GPU – PC), Very high Thermal Conductivity, Long Durability, Safe Application	Perfect for PC builders and tech enthusiasts needing high thermal conductivity and safe application. Its metal-free, non-electrically conductive formula protects CPUs and GPUs, while the included spatula ensures easy, precise spreading.	View on Amazon (paid link)
Thermal Grizzly Kryonaut – 1 Gram – Extremly High Performance Thermal Paste – for Demanding Applications and Overclocking CPU/GPU/PS4/PS5/Xbox	The Thermal Grizzly Kryonaut is perfect for anyone who pushes their computer to the limit, whether you’re a hardcore gamer, a professional content creator, or an overclocking enthusiast looking for the absolute best. This high-performance thermal paste is designed for demanding applications where keeping temperatures low is absolutely crucial for peak performance and longevity.	View on Amazon (paid link)
ARCTIC MX-7 (8 g) – Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Processors, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive	Gamers, PC builders, and tech enthusiasts needing high-performance cooling. MX-7 suits CPUs, GPUs, consoles, and laptops with long-lasting, non-conductive thermal paste that ensures safe, efficient heat transfer.	View on Amazon (paid link)
BSFF Thermal Paste, 1.8g with Toolkit CPU Paste Thermal Compound Paste Heatsink for IC/Processor/CPU/All Coolers, Carbon Based High Performance	PC builders and gamers seeking safe, long-lasting cooling will love the BSFF Thermal Paste. Its metal-free formula ensures no short circuits, while carbon particles deliver top-tier heat transfer that lasts up to 5 years with no reapplication needed.	View on Amazon (paid link)
ARCTIC MX-6 (4 g, incl. 6 MX Cleaner) – Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive	This product is perfect for PC builders, gamers, and tech enthusiasts needing a high-performance thermal paste that’s non-conductive and easy to apply. It works great for cooling CPUs, GPUs, consoles, laptops, and other devices with its long-lasting, durable formula.	View on Amazon (paid link)
Noctua NT-H2 3.5g, Thermal Computer Paste incl. 3 Cleaning Wipes (3.5g)	The Noctua NT-H2 3.5g is perfect for anyone who wants cooler, faster computers and gaming consoles. Whether you build your own PC, upgrade your laptop, or want better performance for your PS4, PS5, or Xbox, this paste makes it easy to apply and keeps your device running smooth and cool for years.	View on Amazon (paid link)
Corsair TM30 Performance Thermal Paste \| Ultra-Low Thermal Impedance CPU/GPU \| 3 Grams\|w/applicator, Silver for Desktop	This thermal paste is perfect for PC builders, overclockers, and DIY enthusiasts wanting lower CPU/GPU temps. It’s ideal for upgrading old paste or installing new coolers with easy, mess-free application.	View on Amazon (paid link)
ARCTIC MX-7 (4 g, incl. MX-Cleaner) – Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive	ARCTIC MX-7 is perfect for PC builders, gamers, and tech enthusiasts seeking reliable, long-lasting cooling for CPUs, GPUs, consoles, or laptops. Its high thermal conductivity and non-conductive formula ensure safe, efficient heat transfer, while the included MX-Cleaner simplifies prep work for hassle-free application.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 thermal pastes for optimal cooling and peak performance. Our expert-reviewed guide highlights the best options for CPUs, GPUs, and consoles, ensuring long-lasting reliability and easy application. Find the perfect match for your needs and keep your devices running cool and efficient.

1. ARCTIC MX-4 (4 g) – Premium Performance Thermal Paste for All Processors (CPU, GPU – PC, PS4, Xbox), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive, Non-capacitive

ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC, PS4, Xbox), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive, Non-capacitive

ARCTIC MX-4 is a high-quality thermal paste. It uses carbon microparticles for strong heat transfer. This helps cool CPUs and GPUs in PCs, PS4s, and Xboxes.

The paste is metal-free and non-conductive. It won’t cause short circuits. It works well for many years—no need to reapply for at least 8 years.

MX-4 stays soft and easy to spread. It’s safe for all users, from beginners to experts.

Pros	Cons
Long-lasting thermal paste, lasting up to 8 years. Safe and non-conductive, protects your devices. Easy to apply, perfect for beginners. High thermal conductivity, cools CPUs and GPUs fast.	Small 4g syringe may run out quickly for large builds. Carbon particles might not conduct heat as well as metal-based pastes.

Perfect For:

The ARCTIC MX-4 is perfect for anyone who wants to keep their computer or gaming console cool. It works great for PC builders, gamers, and tech lovers who need a safe and easy-to-use thermal paste that lasts a long time.

Ready to Purchase?

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2. ARCTIC MX-6 (4 g) – Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

ARCTIC MX-6 (4 g) - Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

The ARCTIC MX-6 offers 20% better performance than the MX-4. Its improved formula lowers thermal resistance for faster heat transfer. This paste is non-conductive, so it won’t damage your hardware.

Proven quality from 20 years of cooling expertise ensures reliability. Its smooth consistency makes application easy and mess-free. Ideal for CPUs, GPUs, consoles, and laptops.

Authenticity checked to guarantee genuine product. Risk-free use with no chance of short circuits or discharges.

Pros	Cons
Boosts cooling by 20% better than MX-4 paste. Safe to use—won’t cause short circuits or damage. Works on many devices: CPUs, GPUs, consoles, laptops. Lasts long with proven quality from 20 years’ experience. Easy to check for 100% original product authenticity.	Limited 4g syringe may require frequent repurchasing. Higher cost per gram compared to other brands. Thicker viscosity could challenge precise spreading for novices.

Perfect For:

The ARCTIC MX-6 is perfect for anyone who wants to boost their device’s performance with easy-to-use thermal paste. Whether you’re upgrading a CPU, GPU, or console, this non-conductive, long-lasting solution ensures safe and effective cooling for all your tech needs.

Ready to Purchase?

View Price on Amazon (paid link)

3. ARCTIC MX-4 (incl. Spatula, 4 g) – Premium Performance Thermal Paste for All Processors (CPU, GPU – PC), Very high Thermal Conductivity, Long Durability, Safe Application

ARCTIC MX-4 (incl. Spatula, 4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application

ARCTIC MX-4 is a premium thermal paste for CPUs and GPUs. It comes with a spatula for easy application. This 4-gram pack ensures long-lasting performance.

The carbon microparticles in MX-4 provide very high thermal conductivity. This helps quickly dissipate heat from your processor, keeping it cool and efficient.

MX-4 is metal-free and non-conductive, making it safe to use. Its proven formula and authenticity check guarantee 100% original quality.

Pros	Cons
Exceptional thermal conductivity with carbon microparticles for fast heat dissipation Zero risk of short circuits thanks to metal-free, non-conductive formula Mess-free, beginner-friendly application with included spatula Unchanged high-quality formula trusted by users for years Easy authenticity verification ensures 100% original product guarantee	Lower thermal conductivity than metal-based pastes Limited quantity may require frequent repurchasing Included spatula quality may not meet all user expectations

Perfect For:

Perfect for PC builders and tech enthusiasts needing high thermal conductivity and safe application. Its metal-free, non-electrically conductive formula protects CPUs and GPUs, while the included spatula ensures easy, precise spreading.

Ready to Purchase?

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4. Thermal Grizzly Kryonaut – 1 Gram – Extremly High Performance Thermal Paste – for Demanding Applications and Overclocking CPU/GPU/PS4/PS5/Xbox

Thermal Grizzly Kryonaut is a high-performance thermal paste built for tough jobs. It cools CPUs, GPUs, and gaming consoles like PS4, PS5, and Xbox. The paste is easy to apply with a special syringe and spatula.

This paste keeps working well even at high temperatures and lasts a long time. Many users trust Kryonaut for better cooling and lower device heat right from the start.

Pros	Cons
Extreme thermal conductivity cools CPUs/GPUs fast Easy to apply with precise syringe and spatula included Lasts years without drying or cracking Drops temps instantly for cooler, quieter operation	Higher price than standard thermal pastes Limited availability in some regions Overkill for non-overclocking or basic use

Perfect For:

The Thermal Grizzly Kryonaut is perfect for anyone who pushes their computer to the limit, whether you’re a hardcore gamer, a professional content creator, or an overclocking enthusiast looking for the absolute best. This high-performance thermal paste is designed for demanding applications where keeping temperatures low is absolutely crucial for peak performance and longevity.

Ready to Purchase?

View Price on Amazon (paid link)

5. ARCTIC MX-7 (8 g) – Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Processors, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive

ARCTIC MX-7 (8 g) - Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Processors, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive

ARCTIC MX-7 is a high-performance thermal paste. It uses a dense, viscous formula with high filler content for fast heat transfer. This helps devices like CPUs and GPUs stay cool during heavy use.

Long-term stability keeps MX-7 effective for years. It resists pump-out, dry-out, and bleeding under heat changes. No need to reapply often—just install once and forget.

MX-7 naturally spreads under pressure, creating a thin, air-free bond. It’s electrically safe—non-conductive and non-capacitive—for all devices. Pair it with MX Cleaner to remove old paste easily.

Pros	Cons
Super heat transfer for top performance. Lasts a long time, no reapplication needed. Easy to apply, no mess. Safe for all your devices, no worries.	Application requires precise pressure for even spread. May need MX Cleaner for thorough removal.

Perfect For:

Gamers, PC builders, and tech enthusiasts needing high-performance cooling. MX-7 suits CPUs, GPUs, consoles, and laptops with long-lasting, non-conductive thermal paste that ensures safe, efficient heat transfer.

Ready to Purchase?

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6. BSFF Thermal Paste, 1.8g with Toolkit CPU Paste Thermal Compound Paste Heatsink for IC/Processor/CPU/All Coolers, Carbon Based High Performance

BSFF Thermal Paste is a high-performance solution for cooling your CPU and GPU. It’s metal-free and non-conductive, ensuring safe use without short-circuit risks.

This paste is better than liquid metal, made with carbon microparticles for fast heat dissipation. It’s easy to apply, even for beginners, and lasts at least 5 years.

With excellent durability, BSFF thermal paste pushes your system to the limit. It won’t degrade over time, making it a reliable choice for long-term use.

Pros	Cons
Metal-free and no short circuit risk for safer CPU/GPU use. Superior heat transfer ensures faster CPU/GPU cooling. Durable under extreme conditions for reliable long-term performance. Lasts up to 5 years with no reapplication needed. Easy to apply even for first-time users.	Small quantity (1.8g) may not be enough for multiple applications. Carbon-based formula might not match liquid metal’s peak performance. Toolkit included, but tools may feel basic for advanced users.

Perfect For:

PC builders and gamers seeking safe, long-lasting cooling will love the BSFF Thermal Paste. Its metal-free formula ensures no short circuits, while carbon particles deliver top-tier heat transfer that lasts up to 5 years with no reapplication needed.

Ready to Purchase?

View Price on Amazon (paid link)

7. ARCTIC MX-6 (4 g, incl. 6 MX Cleaner) – Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

ARCTIC MX-6 (4 g, incl. 6 MX Cleaner) - Ultimate Performance Thermal Paste for CPU, Consoles, Graphics Cards, laptops, Very high Thermal Conductivity, Long Durability, Non-Conductive

ARCTIC MX-6 thermal paste boosts cooling by 20% more than MX-4. It’s non-conductive, so no risk of short circuits. Works on CPUs, GPUs, consoles, and laptops with strong, lasting performance.

Made by experts with 20 years of cooling experience. Each product is 100% original, verified via authenticity check.

Pros	Cons
20% better thermal performance than its predecessor. Safe to use—no risk of short circuits. Versatile for CPUs, GPUs, and consoles. Easy to apply, trusted by 20+ years of expertise.	Higher cost compared to similar thermal pastes Small 4g syringe may run out quickly Authenticity check adds extra verification steps

Perfect For:

This product is perfect for PC builders, gamers, and tech enthusiasts needing a high-performance thermal paste that’s non-conductive and easy to apply. It works great for cooling CPUs, GPUs, consoles, laptops, and other devices with its long-lasting, durable formula.

Ready to Purchase?

View Price on Amazon (paid link)

8. Noctua NT-H2 3.5g, Thermal Computer Paste incl. 3 Cleaning Wipes (3.5g)

Noctua NT-H2 is a premium thermal paste designed for optimal heat transfer. It’s the second generation of Noctua’s award-winning NT-H1, ensuring top performance.

This paste is easy to apply and clean, thanks to the included wipes. It works with air and liquid coolers, lowering temperatures on CPUs, GPUs, and consoles.

Trusted quality, long-lasting stability, and 3.5g pack for 3-20 applications. Includes 3 cleaning wipes for hassle-free use.

Pros	Cons
Boosts cooling for peak performance. Easy to apply and clean. Works with all coolers. Long-lasting quality you can trust.	Higher price compared to budget thermal pastes Small 3.5g tube may require frequent repurchasing Only 3 cleaning wipes included for multiple uses

Perfect For:

The Noctua NT-H2 3.5g is perfect for anyone who wants cooler, faster computers and gaming consoles. Whether you build your own PC, upgrade your laptop, or want better performance for your PS4, PS5, or Xbox, this paste makes it easy to apply and keeps your device running smooth and cool for years.

Ready to Purchase?

View Price on Amazon (paid link)

9. Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams|w/applicator, Silver for Desktop

Experience top-tier cooling with the Corsair TM30 Performance Thermal Paste. This premium zinc oxide compound ensures your CPU and GPU run cooler. It’s designed for optimal heat transfer and long-lasting performance.

Applying thermal paste is now simple and precise. The included applicator and stencil make spreading easy. It fills tiny gaps for maximum cooling efficiency without any hassle.

Stay worry-free with a safe, non-conductive formula. This paste won’t dry out or crack, keeping your PC cool and protected for years.

Pros	Cons
Ultra-low thermal impedance for lower CPU temperatures. Includes applicator stencil for easy, mess-free application. Long-lasting formula stays effective for years. Non-conductive formula ensures safe use on components. Fills micro-gaps for peak thermal transfer.	Stencil application may feel complicated for first-time users. May not outperform high-end silver-based pastes despite claims. 3-gram syringe might be insufficient for multiple CPU/GPU applications.

Perfect For:

This thermal paste is perfect for PC builders, overclockers, and DIY enthusiasts wanting lower CPU/GPU temps. It’s ideal for upgrading old paste or installing new coolers with easy, mess-free application.

Ready to Purchase?

View Price on Amazon (paid link)

10. ARCTIC MX-7 (4 g, incl. MX-Cleaner) – Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive

ARCTIC MX-7 (4 g, incl. MX-Cleaner) - Ultimate Performance Thermal Paste for CPUs, Consoles, Graphics Cards, Laptops, Very High Thermal Conductivity, Long Durability, Non-Conductive, Non-Capacitive

Experience next-level cooling with ARCTIC MX-7 thermal paste. Its dense, high-performance formula transfers heat exceptionally well. Get superior performance for your devices.

This paste offers long-lasting stability, resisting drying out or bleeding. Enjoy consistent cooling without constant reapplication. Its unique application method ensures a perfect, bubble-free bond.

ARCTIC MX-7 is safe for all your electronics, being non-conductive. It also comes with MX-Cleaner to prep surfaces for optimal results.

Pros	Cons
Exceptional heat transfer with high filler content for peak performance Lasts years without drying or leaking, even with constant temperature changes Applies smoothly under cooler pressure, avoiding air bubbles and uneven spread Totally safe for CPUs, GPUs, and consoles with zero risk of electrical issues Comes with MX-Cleaner to prep surfaces for maximum thermal contact	Thick paste may challenge beginners Not suitable for manual application Surface prep essential for optimal results

Pros

Cons

Exceptional heat transfer with high filler content for peak performance
Lasts years without drying or leaking, even with constant temperature changes
Applies smoothly under cooler pressure, avoiding air bubbles and uneven spread
Totally safe for CPUs, GPUs, and consoles with zero risk of electrical issues
Comes with MX-Cleaner to prep surfaces for maximum thermal contact

Thick paste may challenge beginners
Not suitable for manual application
Surface prep essential for optimal results

Perfect For:

ARCTIC MX-7 is perfect for PC builders, gamers, and tech enthusiasts seeking reliable, long-lasting cooling for CPUs, GPUs, consoles, or laptops. Its high thermal conductivity and non-conductive formula ensure safe, efficient heat transfer, while the included MX-Cleaner simplifies prep work for hassle-free application.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Cooling matters. Picking the right thermal paste can feel overwhelming.

Why it matters:
Thermal paste keeps your devices cool, boosts performance, and stops overheating. The right pick ensures your hardware stays safe and runs smoothly.

Thermal Conductivity:
Look for high filler content or carbon microparticles. These move heat fast, keeping CPUs and GPUs chill under pressure. MX-7 and Thermal Grizzly Kryonaut lead here.
Compatibility:
Works for CPUs, GPUs, or consoles? Check if it’s safe for all processors. MX-4, MX-6, and Kryonaut fit PCs, PS4s, Xboxes, and more.
Application Method:
Mess-free tools like spatulas or syringes make life easy. MX-4 (with spatula), Kryonaut (syringe), and Corsair’s applicator suit pros and newbies alike.
Durability:
Lasts years? MX-4 sticks around for 8 years. MX-7 resists dry-out and bleeding, so you won’t reapply often.
Safety:
Non-conductive pastes won’t short-circuit your gear. MX-6, BSFF, and Noctua NT-H2 are all safe for delicate hardware.
Included Extras:
Some bundles add cleaning wipes or MX-Cleaner. Noctua and MX-6 combos save time prepping surfaces for a perfect bond.