Thermal Paste CPU 1.8g
4.7Editor score
Includes application toolkit
Five-year durability
Carbon microparticle formula
In this guide
Thermal paste ensures efficient heat transfer between processors and cooling solutions. Selecting the right compound prevents overheating while extending hardware lifespan. High-quality materials deliver consistent performance under demanding thermal loads.
We evaluated ten leading heatsink compounds based on conductivity ratings durability and safety features. Each product was assessed for application ease and compatibility with various electronic components. Our analysis highlights the strengths of every formula for specific use cases.
Every review shows detailed specifications pros and cons alongside verified user feedback. Pricing fluctuates frequently so check current listings before purchasing. We focus on long-term value and reliability for your critical hardware investments.
Top 3 Picks for Best Heatsink Compound
ARCTIC MX-4
4.8Editor score
Carbon microparticles for conductivity
Non-conductive metal-free formula
Eight-year durability guarantee
Dow Corning 340
4.9Editor score
Non-flowing silicone base
High dielectric strength
Industrial application certified
Top 10 Best Heatsink Compound in 2026 Compared
This side-by-side comparison highlights key specifications for each heatsink compound including thermal conductivity values weight and safety features to help you make an informed decision quickly.
ProductsSpecificationsEditor scorePrice
Editor's Choice
ARCTIC MX-4
Thermal Paste
Non-conductive
4g Weight
Carbon-based
4.8Editor score
Editor's Choice
Super Lube Silicone
Silicone Compound
High Dielectric
3oz Tube
White Paste
4.8Editor score
Best Premium
Easycargo 200gr
Carbon Compound
1.42 W/mK
200g Kit
Wide Temp
4.8Editor score
Arctic Silver 5
Silver Particles
Ceramic Enhanced
3.5g
Non-migrating
4.8Editor score
G107 20g
Silver Paste
3.17 W/mK
20g Weight
Non-toxic
4.7Editor score
MYQ058-100g
Graphite Based
5.8 W/mK
100g Weight
RoHS Compliant
4.6Editor score
HY-510-100g
Silicone Grease
1.93 W/mK
100g Pack
Non-conductive
4.6Editor score
G104 100g
White Grease
1.63 W/mK
100g Weight
Includes Spatula
4.8Editor score
Dow Corning 340
Silicone Grease
0.67 W/mK
142g Weight
Non-curing
4.9Editor score
Thermal Paste CPU 1.8g
Carbon Microparticles
Non-conductive
1.8g Kit
Tool Included
4.7Editor score
1. ARCTIC MX-4 – Best Overall Heatsink Compound
ARCTIC MX-4
High Carbon Microparticles
Eight-Year Durability
Non-Electrical Conductive
Easy Application Consistency
The ARCTIC MX-4 is a premium thermal paste designed for all processors and offers exceptional performance. With a rating of 4.8 stars it stands out for its reliable carbon microparticle formula. This compound ensures heat from CPUs and GPUs is dissipated quickly and efficiently.
Pros
- Consistent quality over time
- High thermal conductivity rating
- Safe metal-free formula
- Excellent durability guarantee
- Beginner-friendly application
Cons
- Small 4g tube size
- Not for liquid metal users
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Its standout quality lies in its consistency and long-term durability. Once applied you do not need to reapply for at least eight years. The metal-free non-electrical conductive nature eliminates risks of short circuits adding protection to your hardware components.
The trade-off involves the small tube size which may not suffice for multiple builds. However for most users the quality justifies the quantity. It remains a top choice for balancing performance and safety without requiring advanced application skills.
Buy this if you need a reliable paste for CPUs or GPUs that lasts years. It suits both beginners and experts seeking consistent thermal performance without the risks of conductive materials.
Reliable Performance Over Time
The formula has remained the same ensuring consistent thermal transfer without degradation over years.
Safe for All Components
Metal-free composition prevents electrical shorts making it safe for sensitive CPU and VGA cards.
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2. Super Lube Silicone – Best for Electrical Components
Super Lube Silicone
High Dielectric Strength
Non-Curing Silicone Base
3oz Tube Volume
Mess-Free Application
The Super Lube Silicone Heat Sink Compound delivers superior heat dissipation for various electronic components. With a high rating of 4.8 stars it excels in stable and long-lasting performance. Its non-curing silicone formula remains flexible without hardening or drying over time.
Pros
- Superior heat dissipation
- Flexible and long-lasting
- High dielectric strength
- Easy mess-free application
- Premium synthetic lubricants
Cons
- White color may stain
- Less common for gaming PCs
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This product features high dielectric strength and a low bleed paste formula protecting sensitive electronic devices. The heat transfer grease adheres smoothly to metal surfaces filling imperfections with ease. It is easily removable to simplify disassembly for maintenance tasks.
The white color might stain surrounding areas and it is less common for standard gaming PC builds. However for electrical devices and components its insulation properties are unmatched. It offers reliable protection against thermal damage in industrial settings.
Purchase this for LEDs power diodes and electrical devices requiring strong insulation. It is ideal for users prioritizing electrical safety and long-term stability over extreme thermal conductivity.
Stable Long-Lasting Formula
Resists hardening and melting ensuring consistent flexibility for extended periods without reapplication.
Reliable Electrical Insulation
High dielectric strength protects sensitive components from electrical risks during thermal management.
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3. Easycargo 200gr – Best Value Large Kit
Easycargo 200gr
200g Large Volume
1.42 W/mK Conductivity
Wide Temp Range
Silicone Carbon Compound
The Easycargo 200gr Thermal Paste Kit offers a massive quantity for cooling various interfaces. With a rating of 4.8 stars it provides excellent thermal conductivity above 1.42 W/mK. This silicone carbon compound is ideal for cooling heat sinks and electronic chips.
Pros
- Excellent thermal conductivity
- Low thermal resistance
- Wide temperature range
- Large 200g kit
- Versatile component cooling
Cons
- Higher price than small tubes
- White compound may stain
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Its low thermal resistance ensures efficient heat transfer across GPUs and transistors. The working temperature range spans from -30 to 280 degrees Celsius covering extreme environments. This versatility makes it suitable for both standard and demanding industrial use cases.
The white compound might stain and the price is higher than standard tubes. Yet the large volume justifies the cost for bulk applications. It remains a strong choice for users needing substantial amounts without frequent repurchasing.
Buy this for large-scale builds or industrial projects requiring extensive thermal compound. It is best for those prioritizing value and capacity over ultra-high-end consumer performance.
Wide Temperature Compatibility
Operates reliably across extreme temperatures ensuring stability in varied environmental conditions.
Massive 200g Capacity
Large kit supports multiple applications reducing the need for frequent replacements or purchases.
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4. Arctic Silver 5 – Best for Enthusiasts
Arctic Silver 5
99.9% Pure Silver
Thermally Enhanced Ceramic
Non-Migrating Formula
3.5g Tube
The Arctic Silver 5 is a legendary thermal paste known for ensuring the best physical contact between CPU and heatsink. With a 4.8 rating it uses 99.9% pure micronized silver for exceptional performance. Its unique particle shapes optimize heat transfer efficiency.
Pros
- Ensures best physical contact
- Will not separate or bleed
- High thermal conductance
- Easy to apply
- 99.9% pure silver
Cons
- Requires curing period
- Small 3.5g quantity
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It will not separate run migrate or bleed over time ensuring consistent results. The thermal conductance is exceptionally high allowing for efficient heat dissipation. This makes it a top choice for overclockers and enthusiasts seeking maximum cooling potential.
The small tube size and required curing period are minor inconveniences. However the performance gains are significant for high-end systems. It remains a trusted standard for those who prioritize peak thermal transfer capabilities.
Purchase this for overclocked systems or high-performance builds needing precise thermal management. It suits users willing to follow curing instructions for optimal long-term results.
Pure Silver Conductivity
Micronized silver particles provide superior thermal conductance compared to standard ceramic formulas.
Stable Non-Migrating Formula
Ensures the paste stays in place preventing migration that could affect cooling over time.
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5. G107 20g – Best Balanced Choice
G107 20g
3.17 W/mK Conductivity
Non-Electrical Conductive
Includes Spatula
20g Weight
The G107 20g Silver Thermal Paste helps disperse heat from CPUs to heatsinks effectively. With a rating of 4.7 stars it is suitable for CPUs GPUs and LEDs. Its high temperature resistance and non-electrical conductive properties ensure safety during operation.
Pros
- Helps disperse heat effectively
- Suitable for many components
- High temperature resistance
- Non-toxic and tasteless
- Includes thermal spatula
Cons
- Average thermal conductivity
- Packaging can be basic
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The package includes a thermal paste spatula for precise application. It is non-toxic non-corrosive and tasteless making it safe for various uses. The thermal conductivity of 3.17 W/mK provides solid performance for standard desktop builds.
While not the highest conductor it balances cost and utility well. The basic packaging is functional but lacks premium touches. It remains a reliable option for general cooling needs without compromising safety.
Buy this for standard PC builds needing a safe and effective thermal paste. It is ideal for users seeking a balanced product with included tools.
Safe Non-Toxic Formula
Non-corrosive and non-toxic composition ensures safety during handling and long-term use.
Included Application Tools
Comes with a spatula to simplify the application process for beginners.
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6. MYQ058-100g – Best High Conductivity
MYQ058-100g
5.8 W/mK Conductivity
Carbon Graphite Based
Low Thermal Resistance
RoHS Certified
The MYQ058-100g delivers superior thermal conductivity of 5.8 W/mK using graphite and metal powders. Rated 4.6 stars it safely withstands over 10000 volts ensuring reliable protection. This carbon-based high-performance paste efficiently transfers heat away from CPU and GPU components.
Pros
- Superior thermal conductivity
- Safe high-voltage insulation
- Long-lasting stable performance
- Wide temperature range
- Cost-effective and SGS certified
Cons
- Consistency may vary slightly
- Packaging design is simple
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Its durable formula features low thermal resistance preventing drying out over time. The paste works reliably from -20C to 230C continuously making it versatile for various environments. SGS certified and RoHS compliant it offers high heat dissipation at a great value.
Packaging is simple and consistency may vary but performance remains strong. The high conductivity makes it a top contender for demanding builds. It is a robust choice for industrial or high-load cooling scenarios.
Purchase this for high-performance builds needing exceptional conductivity at a reasonable price. It suits users prioritizing thermal efficiency and safety certifications.
Superior Thermal Conductivity
Delivers 5.8 W/mK efficiency to quickly move heat away from sensitive electronic components.
Wide Temperature Compatibility
Operates effectively across a broad temperature range from cold to extreme heat environments.
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7. HY-510-100g – Best Multi-Pack
HY-510-100g
1.93 W/mK Conductivity
Non-Conductive Formula
Multi-Pack Quantity
Low Thermal Resistance
The HY-510-100g offers excellent thermal conductivity of 1.93 W/mK for effective heat dissipation. Rated 4.6 stars it ensures CPU and GPU heat is reduced effectively. Its metal-free non-electrical conductive formula eliminates risks of short circuits adding safety to your setup.
Pros
- Excellent thermal conductivity
- Low thermal resistance
- Non-electrical conductive
- Ideal consistency
- Safe for all heatsinks
Cons
- Average performance level
- Multi-pack requires storage
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The paste remains mushy for a long time maintaining stable performance over time. It is ideal for beginners and easy to apply even with complex components. Suitable for CPU VGA and chipset cooling it provides high-cost performance.
While performance is average compared to top-tier options the value is strong. The multi-pack offers convenience for multiple builds but requires storage space. It remains a solid choice for general maintenance and cooling.
Buy this for cost-effective cooling needs across multiple components. It is best for users seeking reliable performance without premium pricing.
Safe Non-Conductive Formula
Eliminates risks of short circuits making it safe for sensitive CPU and VGA components.
Ideal Consistency for Beginners
Easy to apply without requiring advanced skills ensuring successful thermal transfer.
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8. G104 100g – Best Silicone Option
G104 100g
Silicone Thermal Grease
1.63 W/mK Conductivity
Includes Spatula
High Temp Resistance
The G104 100g is a silicone thermal grease that helps disperse heat from CPUs to heatsinks effectively. With a 4.8 rating it is suitable for high power LEDs and other components. Its high temperature resistance ensures stability in demanding thermal environments.
Pros
- Helps disperse heat effectively
- Suitable for high power LED
- Non-toxic non-corrosive
- Includes thermal spatula
- High temperature resistance
Cons
- Lower conductivity rating
- Basic white color
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The non-electrical conductive non-toxic formula ensures safety during application. It includes a thermal paste spatula for precise and clean application. The thermal conductivity of 1.63 W/mK provides decent performance for general electronics.
Lower conductivity may limit it for extreme overclocking. However for LEDs and general components its stability and safety are unmatched. It is a reliable option for standard cooling applications.
Purchase this for high-power LEDs and general electronic cooling. It suits users prioritizing safety and ease of application over maximum thermal transfer.
Safety and Stability
Non-toxic and non-corrosive properties ensure safe handling and long-term component protection.
Versatile Cooling Applications
Suitable for a wide range of components from CPUs to high power LED lighting.
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9. Dow Corning 340 – Best Industrial Grade
Dow Corning 340
Non-flowing Grease
210 V/mil Dielectric
Non-curing Formula
142g Volume
The Dow Corning 340 is a silicone heat sink compound designed for efficient heat transfer in industrial settings. With a 4.9 rating it provides reliable thermal coupling for electronic chips and equipment. Its non-flowing non-curing nature ensures consistent performance.
Pros
- Efficient heat transfer
- Provides reliable coupling
- High dielectric strength
- Non-flowing and non-curing
- Provides excellent insulation
Cons
- Low thermal conductivity rating
- Higher cost than consumer brands
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It features high dielectric strength and insulation performance protecting sensitive components effectively. The paste helps reduce thermal resistance directing heat away from critical parts. No ovens or curing are needed for this professional-grade solution.
Lower thermal conductivity limits use for standard consumer PCs. However for industrial equipment it offers unmatched stability and electrical safety. It remains a premium choice for professional applications requiring durability.
Buy this for industrial PCB assemblies and automotive applications needing stable insulation. It is ideal for professionals prioritizing long-term reliability over thermal speed.
High Dielectric Strength
Ensures reliable electrical insulation protecting sensitive PCBs and components from voltage risks.
Non-Flowing Stability
Stays in place without curing ensuring consistent thermal coupling over time without mess.
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10. Thermal Paste CPU 1.8g – Best Budget Kit
Thermal Paste CPU 1.8g
Carbon Microparticles
Non-Conductive Safety
Includes Application Kit
Five-Year Durability
The Thermal Paste CPU 1.8g is a budget-friendly kit designed for CPUs GPUs and ICs. With a 4.7 rating it uses carbon microparticles for high thermal conductivity. This ensures heat is dissipated quickly and efficiently without risking electrical shorts.
Pros
- Metal-free safety
- High thermal conductivity
- High durability guarantee
- Easy to apply
- Excellent performance
Cons
- Small 1.8g volume
- Basic packaging design
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It offers high durability lasting at least five years without needing reapplication. The metal-free non-conductive formula eliminates risks of short circuits adding protection to your hardware. Its ideal consistency makes it easy to apply even for beginners.
The small volume is limiting for multiple systems but sufficient for one build. Basic packaging is functional but lacks premium appeal. It remains a top choice for cost-conscious users seeking reliable performance.
Purchase this for single builds needing a budget kit with tools included. It is ideal for first-time builders looking for safety and reliability.
High Durability Guarantee
Maintains performance for at least five years ensuring long-term thermal protection without maintenance.
Complete Application Kit
Includes necessary tools to simplify application for users with no prior experience.
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Buying Guide – How to Choose the Best Heatsink Compound
Selecting the right heatsink compound involves balancing thermal conductivity durability and safety requirements for your specific application.
Thermal Conductivity
Thermal conductivity measures how efficiently a compound transfers heat. Higher values like 5.8 W/mK are crucial for high-performance CPUs and GPUs. Look for specific numbers on the packaging to ensure performance.
Prioritize higher conductivity for overclocked systems.
Electrical Safety
Safety is paramount when choosing a compound. Non-electrical conductive formulas eliminate risks of short circuits on sensitive components. This is vital for beginners and standard builds.
Choose metal-free and non-conductive options.
Durability
Durability ensures the paste lasts without drying out or separating. Long-term guarantees like five to eight years reduce maintenance needs. This is essential for systems that run 24/7.
Check the stated lifespan before purchasing.
Application Ease
Ease of application determines setup time and cleanliness. Some compounds offer ideal consistency for beginners while others require precision. Included tools like spatulas simplify the process.
Opt for beginner-friendly pastes if new to hardware.
Package Size
Package size varies significantly from small tubes to large kits. Ensure you buy enough quantity for all components or bulk needs. Larger kits offer value for multiple projects.
Match quantity to your build requirements.
Material Composition
Compounds use different bases like silicon or silver. Each offers unique benefits regarding conductivity and stability. Match the composition to your specific use case.
Select based on component compatibility.
Temperature Range
Temperature range defines operational limits in various environments. Industrial needs may require wider ranges than standard desktops. Verify the limits before committing to a product.
Ensure it covers your operating conditions.
Value for Money
Value is not just about price but performance per gram. High-end products cost more but deliver better results. Balance cost with the longevity and efficiency offered.
Focus on long-term value over initial cost.
How to Use and Care for Your Heatsink Compound
Ensure the CPU and heatsink surfaces are clean and dry before application. Remove any old residue thoroughly using alcohol to guarantee optimal contact.
Apply a small drop in the center of the processor and install the heatsink. The pressure will spread the paste evenly to fill microscopic gaps.
Store unused compound in a cool dry place sealed tightly. Avoid contaminating the tip to preserve the quality of the formula.
Frequently Asked Questions
Does a higher thermal conductivity value guarantee better cooling?
While higher values indicate better heat transfer capability actual cooling depends on your entire system including airflow and heatsink design. A high-conductivity paste alone cannot overcome poor airflow or a small cooler. Always pair it with adequate cooling hardware for the best results.
Is it safe to use on all types of processors?
Yes most compounds listed are safe for standard CPUs and GPUs provided they are non-conductive. Always verify safety specifications before using on sensitive components like IGBTs. Avoid conductive pastes unless you are experienced.
How often should you replace the thermal compound?
High-quality compounds like the ARCTIC MX-4 can last up to eight years without replacement. Replace only if you see temperature spikes or the paste has dried out completely. Regular cleaning ensures better contact.
Why do some pastes come in kits with tools?
Kits often include tools like spatulas to help spread the paste precisely. This simplifies the process for beginners who might struggle with squeezing directly. It ensures cleaner application and less mess.
Can I mix different brands of thermal paste?
Mixing brands is not recommended as different formulas may react poorly or degrade performance. Always remove old paste thoroughly before applying a new brand. Consistency in materials ensures reliability.
What is the difference between silicone and silver compounds?
Silicone compounds are non-conductive and easy to use but have lower thermal conductivity. Silver compounds often offer higher performance but may be riskier if conductive. Choose based on your safety needs and performance goals.
How do I clean old thermal paste off the CPU?
Use a lint-free cloth with 90% isopropyl alcohol to dissolve and wipe away the old residue. Ensure the surface is completely dry before applying new paste. This ensures maximum contact and heat transfer efficiency.
Does the color of the paste matter for cooling?
The color does not impact cooling performance as it is usually just a dye. White or black pastes function similarly if the formula is identical. Focus on thermal specs rather than appearance when buying.
Final Thoughts on Choosing the Best Heatsink Compound
The ARCTIC MX-4 remains a top choice for most users due to its balance of performance and safety. Our top three picks offer diverse solutions for budget industrial and consumer needs equally.
Prioritize non-conductive formulas and long durability when selecting a compound. Ensure the product matches your specific hardware requirements for optimal thermal management.
Always check current prices and availability on official retailer pages. Prices fluctuate frequently so verify the latest deals before placing your order.