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Thermal Paste Replacement Kits

Thermal paste replacement kits help you refresh the thermal compound between a processor and its cooler during maintenance or upgrades. Compare kit contents, application methods, and compatibility with your CPU or GPU to find an option suited to your cooling setup and replacement needs.

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  1. CORSAIR - XTM70 Extreme Performance Thermal Paste – Three grams

    SKU: J39QHT2GZX

    Best thermal paste ever...Great item best temps of my life with this paste!!...Another great best buy product! I loved being able to order this and it turned out great!

    Product Description

    A high-performance black thermal paste that ensures efficient heat transfer for demanding CPUs and overclocking.
    See all Computer Cleaning & Repair
    Your price for this item is $19.99
    Save $5
    The previous price was $24.99

  2. Thermal Grizzly - Kryonaut - 1 Gram - Extremely High Performance Thermal Paste + 12 Cleaning Wipes 6 Wet & 6 Dry CPU/GPU

    SKU: CCFJ45T9CW

    Product Description

    A high-performance thermal paste with nano-aluminum and zinc oxide, plus 12 cleaning wipes for optimal application.
    See all Computer Cleaning & Repair
    Your price for this item is $13.49

  3. Thermal Grizzly - Kryonaut Extreme 2g Thermal Paste Combo with 12 Cleaning Wipes (6 Wet, 6 Dry) for CPU/GPU

    SKU: CCFJ45T927

    Product Description

    A high-performance thermal paste with nano-aluminum oxide and 12 cleaning wipes for optimal CPU/GPU cooling.
    See all Computer Cleaning & Repair
    Your price for this item is $27.99

  4. CORSAIR - TM30 Performance Thermal Paste

    SKU: J363LW2K38

    Great product at a great price. Love best buy!!!!...great product and great buy best buy rocks love shopping there

    Product Description

    A black thermal paste with ultralow thermal impedance for efficient heat transfer and long-lasting performance.
    See all Computer Cleaning & Repair
    Your price for this item is $7.99

  5. CORSAIR - XTM60 High Performance Thermal Paste - Gray

    SKU: J39QHT276G

    This thermal paste is some of the best out there. It keeps my CPU temps nice and chilly....Great product! Fast shipping! 10/10 recommend Best Buy!...Great Thermal Paste...Great produckt!...Great purchase...

    Product Description

    A high-performance gray thermal paste offering easy application and excellent thermal conductivity for CPUs and GPUs.
    See all Computer Cleaning & Repair
    Your price for this item is $14.99

  6. Thermal Grizzly - Liquid Metal Thermal Paste - Conductonaut 1 Gram - Made in Germany Liquid Metal for PS5, CPU, GPU, Xbox

    SKU: JXF9JRPS5V

    Great product. Easy to use. Pleased with how well it worked. Quality was great...Worked great.

    Product Description

    A high-efficiency gray liquid metal thermal compound with applicators and cleaning pads for advanced heat dissipation.
    See all Computer Cleaning & Repair
    Your price for this item is $17.99

  7. Thermal Grizzly - Kryonaut - 1 Gram - Extremly High Performance Thermal Paste - for Demanding Applications & Overclocking

    SKU: JXF9JRPSRY

    Great product!...The syringe and spatula makes is easy spreading for perfect application and the thermal paste works great...Great product

    Product Description

    A high-performance thermal paste delivering exceptional conductivity and stability for demanding cooling and overclocking applications.
    See all Computer Cleaning & Repair
    Your price for this item is $13.99

  8. Thermal Grizzly - Kryonaut Extreme - 2 Gram - Extremly High Performance Thermal Paste - for Maximum Thermal Conductivity

    SKU: JXF9JRPSRH

    Works great!...It's great!

    Product Description

    An extremely high-performance thermal paste engineered for maximum thermal conductivity in advanced cooling systems.
    See all Computer Cleaning & Repair
    Your price for this item is $24.99

  9. Cooler Master - CryoFuze Thermal Paste, 14m W/m.k, Nanoparticles, -50°C to 250°C

    SKU: J3K4GJLFYG

    Product Description

    A high-performance thermal paste with nanoparticle technology, offering 14m W/m.k conductivity and a non-corrosive formula.
    See all CPUs / Processors
    Your price for this item is $8.99

  10. Startech - SILVGREASE1 1.5g Metal Oxide Thermal CPU Paste Compound Tube For Heatsink - Silver

    SKU: J7PHY2Z925

    Product Description

    A silver metal oxide thermal paste compound designed to improve heat transfer between CPU and heatsink.
    See all Computer Cards & Components
    Your price for this item is $14.91
    Save $4
    The previous price was $19.49

  11. Thermal Grizzly - Duronaut 6g Enhanced Durability & High Performance Thermal Paste for CPU/GPU/PS4/PS5/Xbox Overclocking

    SKU: CCFJ45TPZH

    Product Description

    A high-performance thermal paste with advanced silicone oil and metal particles for superior, long-lasting heat transfer.
    See all Computer Cleaning & Repair
    Your price for this item is $19.99

  12. Thermal Grizzly - Duronaut 2g – Enhanced Durability & High-Performance Thermal Paste for CPU, GPU & Console Overclocking

    SKU: CCFJ45TPZY

    Product Description

    A high-performance thermal paste with advanced silicone oil and metal particles for superior, long-lasting heat transfer.
    See all Computer Cleaning & Repair
    Your price for this item is $11.99
    Save $1
    The previous price was $12.99

  13. CORSAIR - TM40 Performance Thermal Paste

    SKU: J39TSC9Y52

    Product Description

    A non-conductive, non-corrosive thermal compound providing reliable heat transfer for CPUs, GPUs, laptops, and consoles.
    See all Computer Cleaning & Repair
    Your price for this item is $7.99
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Thermal paste replacement kits can help you refresh the thermal interface between a processor and its cooler during compatible computer maintenance or upgrades. Thermal paste, also called thermal compound, fills microscopic gaps between the contact surfaces to support efficient heat transfer to the heat sink. Over time, the compound may become less effective, and removing a cooler generally calls for cleaning away the existing paste and applying a fresh layer before reinstallation. If you are shopping for a CPU thermal paste replacement kit for a desktop PC, gaming computer, or compatible laptop, review your device’s service instructions and compare what each kit includes. Depending on the kit, you may need to purchase cleaning supplies or application tools separately. Compatibility, application guidance, and the scope of the repair matter more than choosing a kit based on performance claims alone. Choosing a thermal paste replacement kit also means understanding the cooling setup you plan to service. A CPU cooler installation, PC cooling upgrade, or graphics card maintenance project can involve different disassembly steps and thermal interface requirements, so confirm that your hardware uses replaceable thermal paste in the area you intend to work on. Thermal paste is not a substitute for thermal pads where a component requires a specific gap-filling thickness. Before beginning, shut down the computer, disconnect power, and follow the manufacturer’s precautions for battery isolation and electrostatic discharge. Clean the mating surfaces as directed, allow them to dry, and use the paste amount and application method recommended for your processor and cooler. Fresh thermal compound may help restore cooling performance if degraded paste or poor contact is contributing to high temperatures, but it will not resolve every overheating issue. Checking fan operation, airflow, dust buildup, and cooler mounting pressure alongside thermal paste replacement can help you address the broader condition of your computer cooling system.

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FAQ

A thermal paste replacement kit provides supplies for replacing the compound between a processor and its cooler during computer maintenance or component installation. Package contents vary, so review the listing to see which cleaning and application supplies are included.

Check your device’s service documentation for the specified thermal compound and replacement procedure. Compare those requirements with the kit’s description, and confirm whether you need separate tools to access and reinstall the cooler.

Thermal paste replacement is part of servicing some CPU and GPU cooling assemblies. Requirements vary by device, and some assemblies use thermal pads or other interface materials in certain locations. Consult the component’s service documentation to identify what each contact point requires.

Preapplied thermal paste is already on a cooler’s contact surface before installation. Separately supplied paste is applied during assembly or maintenance. Check the cooler’s installation instructions to determine whether it comes with paste already applied or requires a separate application.

Thermal paste is an interface compound used between components held together by mounting hardware. Thermal adhesive also creates a bond between surfaces. They are not interchangeable, so choose the type specified in your component’s installation or service instructions.