Thermal Paste CPU 1.8g
4.7Editor score
Includes toolkit for application
Carbon microparticle formula
Non-conductive safety design
In this guide
Selecting the right heatsink compound is crucial for maintaining optimal operating temperatures in your computing and electronic systems. A high-quality thermal interface material ensures efficient heat transfer between components and cooling solutions, preventing overheating and extending hardware lifespan.
We evaluated ten leading heatsink compounds based on thermal conductivity, durability, safety features, and application ease. Our analysis considers real-world performance data, user feedback, and technical specifications to help you make an informed decision for your specific cooling needs.
Each product entry provides detailed specifications, pros and cons, and practical usage advice. Please note that availability and pricing may fluctuate over time, so verify current details before purchasing to ensure you get the best value for your setup.
Top 3 Picks for Best Heatsink Compound
ARCTIC MX-4
4.8Editor score
Metal-free non-conductive formula
Lasts at least eight years
Ideal consistency for beginners
Dow Corning 340
4.9Editor score
High dielectric strength
Non-flowing consistency
Industrial-grade reliability
Top 10 Best Heatsink Compound in 2026 Compared
The following table provides a side-by-side comparison of all ten selected heatsink compounds. Review the key specifications to identify which product aligns best with your thermal management requirements and application scenarios.
ProductsSpecificationsEditor scorePrice
Editor's Choice
ARCTIC MX-4
Carbon microparticle formula
Metal-free non-conductive
Lasts eight years
Easy application consistency
4.8Editor score
Editor's Choice
Super Lube Silicone
High dielectric strength
Non-curing silicone base
Resists hardening over time
Three ounce tube size
4.8Editor score
Best Premium
Easycargo 200gr
Conductivity 1.42 W/m-k
Working temp negative 30 to 280 C
White silicone carbon compound
Two hundred gram capacity
4.8Editor score
Arctic Silver 5
99.9% pure silver particles
Thermal enhanced ceramic particles
Does not separate or bleed
Three and a half gram
4.8Editor score
G107 20g
Conductivity 3.17 W/m-k
Non-toxic and non-corrosive
Includes thermal paste spatula
Twenty gram silver paste
4.7Editor score
MYQ058-100g
Conductivity 5.8 W/m-k
Withstands over 10000 volts
SGS certified and RoHS compliant
One hundred gram capacity
4.6Editor score
HY-510-100g
Conductivity 1.93 W/m-k
Non-electrical conductive design
Low thermal resistance
Four tubes of 25g
4.6Editor score
G104 100g
Conductivity 1.63 W/m-k
Non-toxic and non-corrosive
White silicone grease paste
Includes thermal paste spatula
4.8Editor score
Dow Corning 340
Conductivity 0.67 W/m-k
High dielectric strength
Non-flowing and non-curing
142g five ounce size
4.9Editor score
Thermal Paste CPU 1.8g
Carbon microparticle formula
Metal-free non-conductive
Includes application toolkit
Lasts at least five years
4.7Editor score
1. ARCTIC MX-4 – Best Overall Heatsink Compound
ARCTIC MX-4
Carbon microparticle formula
Lasts at least eight years
Metal-free non-conductive
Ideal consistency for application
The ARCTIC MX-4 stands out as a top choice for thermal management with its reliable carbon microparticle formula. It holds a 4.8 rating from users who appreciate its consistent performance over time.
Pros
- Excellent thermal conductivity
- Safe for all processors
- Long-lasting durability
- Easy to apply
- Reliable consistent quality
Cons
- Small package size
- May require reapplication after years
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Its metal-free and non-electrical conductive properties eliminate risks of short circuits, making it safe for CPU and VGA cards. The formula ensures heat dissipates quickly and efficiently without compromising over time.
While it comes in a 4g package which might be small for multiple builds, the durability means you rarely need to reapply. The consistency is ideal for beginners making application straightforward.
This product is ideal for anyone seeking a balance of performance and safety without breaking the budget. It is a reliable choice for both new and experienced system builders.
Long-Term Reliability
Once applied, the MX-4 does not compromise over time and can last at least eight years.
Safe Application
The metal-free formulation eliminates electrical conductivity risks protecting sensitive electronic components.
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2. Super Lube Silicone – Best for Industrial Electronics
Super Lube Silicone
High dielectric strength
Non-curing silicone base
Three ounce tube size
Resists hardening over time
Super Lube Silicone Heat Sink Compound is designed for high heat dissipation in CPUs LEDs and power diodes. Its 4.8 rating reflects its ability to stay flexible without hardening or drying out.
Pros
- Superior heat dissipation
- Remains flexible over time
- High dielectric insulation
- Easy mess-free application
- Suitable for power diodes
Cons
- White color may stain
- Slightly higher price point
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The high dielectric strength protects sensitive electronic components while the low bleed paste formula ensures reliable insulation. It adheres smoothly to metal surfaces and fills imperfections with ease.
The white color might stain certain surfaces and the price is higher than some competitors. However the durability and ease of removal simplify disassembly which adds value over time.
Choose this if you need a reliable compound for electrical devices that require strong insulation. It is perfect for industrial or mechanical settings where stability is key.
Stable Formulation
This non-curing silicone thermal compound stays flexible and resists hardening drying or melting over time.
Easy Removal
The adhesive properties allow it to be easily removed simplifying disassembly when needed.
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3. Easycargo 200gr – Best Value for Bulk
Easycargo 200gr
Conductivity 1.42 W/m-k
Two hundred gram capacity
Working temp negative 30 to 280 C
White silicone carbon compound
The Easycargo 200gr kit offers a generous amount of thermal paste ideal for multiple applications. With a 4.8 rating it is praised for its thermal resistance and wide operating temperature range.
Pros
- Large package size
- Wide temperature range
- Thermal resistance low
- Suitable for many components
- Cost-effective solution
Cons
- Lower conductivity than some
- Not branded by major name
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It works for cooling interfaces between heatsinks and CPU GPU IC chips or transistors. The compound handles temperatures from negative 30 to 280 degrees Celsius effectively.
The thermal conductivity is lower than premium options and the brand is less known. However the large 200g size makes it highly cost-effective for workshops or large builds.
This is an excellent choice if you need bulk compound for various projects. It delivers reliable cooling performance without the cost of branded alternatives.
Temperature Resilience
The working temperature range spans from negative 30 to 280 degrees Celsius for versatile use.
Bulk Packaging
The 200gram capacity provides ample material for multiple heat sink applications or repairs.
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4. Arctic Silver 5 – Best for Overclocking
Arctic Silver 5
99.9% pure silver particles
Thermal enhanced ceramic particles
Does not separate or bleed
Three and a half gram
Arctic Silver 5 is renowned for its 99.9% pure micronized silver content ensuring optimal physical contact between heatsink and CPU core. It holds a 4.8 rating for its stability and performance.
Pros
- Pure micronized silver content
- Best physical contact ensured
- Stable without migration
- High thermal conductance
- Easy to apply and remove
Cons
- Contains metallic particles
- Smaller package size
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The unique ceramic and silver particle blend ensures heat transfer without separation running or bleeding. It provides high thermal conductance with a minimal layer thickness for efficiency.
It contains metallic particles which might raise safety concerns for some users despite being non-conductive. The 3.5g package is small but sufficient for single applications due to its quality.
Select this if you prioritize raw thermal performance in high-demand scenarios like overclocking. The stability ensures consistent results without needing frequent reapplication.
Particle Blend
It uses three unique shapes and sizes of pure silver particles alongside ceramic particles for contact.
Stability
The formula will not separate run migrate or bleed ensuring consistent performance over time.
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5. G107 20g – Best Budget with Spatula
G107 20g
Conductivity 3.17 W/m-k
Non-toxic and non-corrosive
Includes thermal paste spatula
Twenty gram silver paste
The G107 20g Silver Thermal Paste offers a strong balance of conductivity and safety. It holds a 4.7 rating for helping disperse heat effectively from CPU to heatsink.
Pros
- Good conductivity rating
- Safe non-toxic formula
- Includes application tool
- Fits many component types
- High temperature resistance
Cons
- Less known brand
- Limited availability in some regions
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With a conductivity of 3.17 W/m-k it is suitable for CPUs GPUs and chipset components. The formula is non-toxic non-corrosive and has high temperature resistance.
It includes a thermal paste spatula which aids in precise application. However the brand is less prominent than others which might affect support or long-term availability.
This option is great for users seeking a safe and effective solution with included tools. It fits well in budget-conscious builds needing reliable thermal management.
Included Tool
The package includes a thermal paste spatula to assist with clean and even application.
Safety
The formula is non-toxic non-corrosive and non-electrical conductive ensuring safe handling.
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6. MYQ058-100g – Best High Conductivity
MYQ058-100g
Conductivity 5.8 W/m-k
Withstands over 10000 volts
One hundred gram capacity
SGS certified and RoHS compliant
MYQ058-100g stands out with a thermal conductivity of 5.8 W/m-k ensuring efficient heat transfer from CPU GPU and PCB. It carries a 4.6 rating for its durable and stable performance.
Pros
- Very high conductivity
- High-voltage insulation
- Stable paste consistency
- Wide temperature range
- Eco-friendly compliant
Cons
- Brand recognition low
- Packaging may vary
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It withstands over 10000 volts eliminating short circuit risks for sensitive components. The wide temperature range supports both everyday use and demanding industrial environments.
While the brand is not a major name the SGS certification and RoHS compliance indicate quality standards. The large 100g size ensures you have plenty for multiple uses.
Choose this for maximum conductivity without the premium price tag. It is suitable for high-performance PC and industrial cooling tasks.
Conductivity Level
The formulation delivers a thermal conductivity of 5.8 W/mK for rapid heat transfer.
Compliance
It is SGS certified and RoHS compliant meeting eco-friendly and regulatory standards.
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7. HY-510-100g – Best for Gaming Consoles
HY-510-100g
Conductivity 1.93 W/m-k
Non-electrical conductive design
Low thermal resistance
Four tubes of 25g
The HY-510-100g thermal paste is designed for safe and effective heat dissipation in PCs GPUs and PS4 systems. It holds a 4.6 rating for its consistent performance and ease of use.
Pros
- Non-conductive safety
- Multiple small tubes
- Stable over time
- Suitable for PS4 CPU GPU
- Easy to use
Cons
- Lower conductivity than others
- May not suit extreme overclocking
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It is non-electrical conductive and safe to use with all types of heatsinks. The low thermal resistance ensures heat is dissipated effectively without compromising over time.
The conductivity is lower than some options and it may not suit extreme overclocking scenarios. However the four separate 25g tubes offer convenience for smaller applications or repairs.
This is an ideal choice for console repairs or general PC maintenance. It provides reliable cooling without risking electrical shorts on sensitive components.
Multiple Tubes
The package includes four tubes of 25 grams each for controlled usage and storage.
Safety
Its non-conductive design eliminates short-circuit risks ensuring safe application on CPU and VGA cards.
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8. G104 100g – Best White Grease
G104 100g
Conductivity 1.63 W/m-k
Non-toxic and non-corrosive
White silicone grease paste
Includes thermal paste spatula
G104 100g is a versatile white thermal grease suitable for CPUs GPUs ovens and high power LEDs. It holds a 4.8 rating for helping disperse heat effectively and safely.
Pros
- Non-toxic formula
- Suitable for Xbox and LED
- Includes application tool
- Non-corrosive protection
- Large capacity
Cons
- Lower conductivity rate
- Not for high-performance CPU only
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The formula is non-toxic non-corrosive and has high temperature resistance. It ensures the heat moves from CPU to heatsink effectively for stable performance.
The conductivity is lower than top picks but it works well for general cooling needs. The included spatula makes application easier and the 100g size ensures longevity.
Select this for general electronics cooling where safety and ease of use are priorities. It is suitable for a wide range of components including gaming consoles.
Versatility
It is suitable for CPU GPU chipset Xbox and high power LED among other components.
Capacity
The 100gram package provides ample material for multiple applications and repairs.
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9. Dow Corning 340 – Best Premium Industrial Grade
Dow Corning 340
Conductivity 0.67 W/m-k
High dielectric strength
Non-flowing and non-curing
142g five ounce size
Dow Corning 340 is a premium silicone compound designed for efficient heat transfer in electrical devices and PCB assemblies. It holds an impressive 4.9 rating for its reliable thermal coupling and safety.
Pros
- Highest user rating
- Industrial-grade reliability
- Excellent electrical insulation
- Non-flowing consistency
- No curing required
Cons
- Expensive
- Lower thermal conductivity than PC pastes
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Its high dielectric strength and non-flowing properties make it ideal for compact high-performance electronics. It does not require ovens or curing ensuring excellent electrical insulation.
The thermal conductivity is lower than PC-specific pastes and the price is higher. However for industrial automotive or high-voltage applications this reliability justifies the investment.
Choose this for professional applications where insulation and stability are paramount. It is not intended for high-speed CPU overclocking but rather for robust component cooling.
Dielectric Strength
It provides excellent electrical insulation and safety with high dielectric strength properties.
Stability
The non-flowing and non-curing formula ensures long-term stability without changing consistency.
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10. Thermal Paste CPU 1.8g – Best Budget Toolkit
Thermal Paste CPU 1.8g
Carbon microparticle formula
Metal-free non-conductive
Includes application toolkit
Lasts at least five years
This Thermal Paste CPU offers a complete solution with a toolkit for CPU GPU IC and heatsinks. It holds a 4.7 rating for its carbon microparticle formula that ensures rapid heat dissipation.
Pros
- Includes application toolkit
- High thermal conductivity
- Non-conductive safety
- Durable formula
- Easy to apply
Cons
- Small package size
- Brand not well known
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It is metal-free and non-conductive eliminating short circuit risks for your CPU and VGA cards. The formula is designed to last at least five years without compromising over time.
The package is small but sufficient for single applications. The brand is not well known which might affect support but the features deliver solid value.
Pick this for budget builds needing safety and a toolkit included. It is an efficient choice for beginners looking to maintain thermal stability.
Toolkit Included
The package includes a toolkit to assist with applying the paste correctly and safely.
Durability
The formula has excellent component heat dissipation performance and stability for long-term use.
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Buying Guide – How to Choose the Best Heatsink Compound
Choosing the right heatsink compound depends on your specific cooling needs and technical requirements. This guide breaks down the key factors to help you select the best material for your setup.
Thermal Conductivity
Thermal conductivity measures how efficiently the compound transfers heat from the CPU to the heatsink. Higher values in W/m-K indicate faster heat transfer which is crucial for high-performance systems.
Look for conductivity values that match your system requirements. High-end gaming rigs benefit from higher rates while standard systems may suffice with lower values.
Electrical Conductivity
Safety is paramount when applying compounds near sensitive electronics. Metal-free and non-electrical conductive formulas eliminate the risk of short circuits if they spill onto components.
Always choose non-conductive pastes for standard builds. If you use liquid metal which is conductive ensure you have proper insulation and experience.
Viscosity and Application
The consistency of the paste affects how easy it is to spread and how well it fills air gaps. Ideal consistency allows for smooth application even for beginners.
Select a product that matches your skill level. Thicker pastes stay in place better while thinner ones may spread more easily but require care.
Durability and Lifespan
Quality compounds maintain their properties over years without drying out or separating. A longer lifespan means you do not need to reapply frequently.
Check manufacturer claims for durability. Products lasting several years save time and effort in the long run.
Package Size
Package sizes vary from single-use tubes to bulk containers. Ensure you have enough material for your build and any future projects.
Bulk packages are cost-effective for workshops while smaller tubes suit single desktop builds. Consider how much you will use before purchasing.
Temperature Range
The compound must withstand the operating temperatures of your components without degrading. Extreme heat or cold can affect performance if the material is not rated appropriately.
Verify the working temperature range against your system's thermal output. Most standard compounds handle typical PC ranges well.
Brand Reputation
Established brands often provide consistent quality and reliable support. Reviews and ratings can indicate real-world performance and longevity of the product.
Consider the manufacturer's history and user feedback. Trusted brands reduce the risk of receiving a faulty or inconsistent product.
Special Applications
Some compounds are designed for industrial or high-voltage environments. Ensure the product matches your specific use case whether it is consumer electronics or industrial equipment.
Match the paste to the application. Standard PC pastes differ from those meant for automotive or power electronics.
How to Use and Care for Your Heatsink Compound
Clean the CPU and heatsink surfaces thoroughly with isopropyl alcohol to remove old paste and oils. Ensure the surfaces are completely dry before applying the new compound.
Apply a small amount of paste to the center of the CPU. Use a spatula or spreader if needed to spread it evenly without leaving air gaps.
Reinstall the heatsink firmly to distribute the paste evenly across the surface. Check temperatures after setup to ensure cooling performance meets expectations.
Frequently Asked Questions
What is the main purpose of heatsink compound?
Heatsink compound fills microscopic air gaps between the CPU and heatsink to improve thermal transfer. Air is a poor conductor so the paste ensures heat moves efficiently to the cooling solution.
Do I need to clean old paste before applying new?
Yes you should remove old paste to ensure a clean bond. Residual compound can create air pockets that reduce cooling efficiency and lead to overheating.
Can I use too much thermal paste?
Yes applying too much can cause the paste to spill out and potentially short circuit components if conductive. A small amount is sufficient when the heatsink is pressed down.
How often should I reapply thermal paste?
Quality compounds can last several years before needing replacement. Monitor CPU temperatures and reapply only if you see a significant rise indicating dried out paste.
Is silver-based paste better than carbon-based?
Silver-based pastes often offer higher conductivity but may carry electrical risks. Carbon-based options are safer for general use with excellent performance for most systems.
Does the color of the paste matter?
No the color does not impact performance. White or grey compounds are common and work similarly provided the chemical composition is appropriate.
Final Thoughts on Choosing the Best Heatsink Compound
We have explored ten top-rated heatsink compounds that balance conductivity safety and ease of use. The ARCTIC MX-4 stands out as the overall choice for its reliability and safety features.
When selecting a compound prioritize thermal conductivity and non-conductive safety. Ensure the product matches your system needs whether for standard cooling or industrial applications.
Remember to check current availability and details before purchasing as product specs may vary. Choosing the right material will ensure your hardware runs cool and lasts longer.