MECCANIXITY Heatsink Copper Sheet Shim
3.9Editor score
Includes adhesive backing
20mm x 20mm size
Affordable entry option
10 Best Copper Pad Shim Kit (October 2026) Expert Guide
Finding the right thermal solution is crucial for maintaining peak performance in your electronic devices. A high-quality copper pad shim kit offers excellent heat transfer properties to prevent overheating in GPUs and CPUs.
We evaluated ten leading kits based on material purity, thickness variety, and user feedback. Our comparison highlights how each set addresses specific cooling needs across different hardware configurations and environments.
Each pick below details key specifications and ideal use cases to help you choose wisely. Please note that availability and pricing may fluctuate over time, so check current listings before purchasing.
Top 3 Picks for Best Copper Pad Shim Kit
Easycargo 100pcs 12 sizes 15mm Copper Pad Shim Kit
4.6Editor score
100 pieces total count
12 thickness variations
Pure C1100 copper
Easycargo 40pcs 6 Sizes 20mm Copper Pad Shim Thermal Assortment Kit
4.6Editor score
Larger 20mm footprint
6 distinct thicknesses
High conductivity material
As an Amazon Associate we earn from qualifying purchases.
Top 10 Best Copper Pad Shim Kit in 2026 Compared
The following table provides a side-by-side overview of each kit available in our selection. Review the dimensions, piece counts, and material specifications to identify the right fit for your project needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Easycargo 100pcs 12 sizes 15mm Copper Pad Shim Kit
100 pieces total
15mm x 15mm size
12 thickness levels
Pure C1100 copper
4.6Editor score
Editor's Choice
Easycargo 40pcs 6 Sizes 20mm Copper Pad Shim Thermal Assortment Kit
40 pieces total
20mm x 20mm size
6 thickness levels
Pure copper material
4.6Editor score
Best Premium
20 x 20 x 1.2mm IC Chipset GPU CPU Thermal Heatsink
20 pieces included
20mm x 20mm size
1.2mm thickness
Compact design
4.7Editor score
Copper Thermal Shim Kit – 55pcs, 11 Thicknesses (0.1–2.0mm), 15x15mm Heat Spreader Pads for GPU CPU Laptop Cooling
55 pieces total
15mm x 15mm size
11 thickness levels
Polished copper
Easycargo 4pcs 40mm Copper Pad Shim Thermal Kit
4 pieces included
40mm x 40mm size
0.5mm thickness
Large surface area
4.5Editor score
MECCANIXITY Heatsink Copper Sheet Shim
5 sets included
20mm x 20mm size
0.3mm thickness
Adhesive backing
3.9Editor score
Easycargo 20pcs Heatsink Copper Pad Shims 15x15mm+ 3M 8810 pre Applied Thermal Conductive Adhesive Tape on Heat Sink for Cooling Laptop GPU CPU IC Chips VGA RAM (15x15x0.5mm)
20 pieces included
15mm x 15mm size
0.5mm thickness
3M adhesive tape
4.3Editor score
PATIKIL Copper Heatsink Pad Shims
12 pieces included
15mm x 15mm size
0.3mm thickness
Bur-free edges
4.8Editor score
Leviton Copper Shims, For 16-18 Series,Commercial Grade, Cam-Type Connector, 10 Per-Pack, A0004
10 pieces included
Commercial grade
Cam-type connector
Santoprene insulator
4.8Editor score
M METERXITY 3-Set Copper Shim Strip, Metal Sheet Stock Assortment 6" Length x 1" Width, 0.002", 0.004", 0.006", 0.008", 0.012", 0.016" Thickness Copper Sheet for DIY Craft Making Flat Bar
3 sets included
6 inch length
Varied thickness
DIY craft material
4.7Editor score
1. Easycargo 100pcs – Best Overall Copper Pad Shim Kit
Easycargo 100pcs 12 sizes 15mm Copper Pad Shim Kit
100 pieces total
12 thickness levels
401 W/mK conductivity
This comprehensive kit stands out for its extensive range of thicknesses and high piece count. With one hundred pieces spanning twelve different thickness levels, it offers unmatched versatility for thermal gap filling tasks.
Pros
- Wide variety of thicknesses
- High purity copper
- Large quantity pack
- Suitable for PS5
- Good value
Cons
- No adhesive included
- Small size limits area
We may earn a commission when you buy through this link, at no additional cost to you.
The pure C1100 copper ensures excellent thermal conductivity rated at four hundred and one watts per meter kelvin. This makes it highly effective for transferring heat away from sensitive components like VRAM or CPU chips.
While it does not include adhesive tape, users can easily pair it with thermal paste for secure installation. The compact fifteen millimeter size is perfect for tight spaces found in laptops or game consoles.
Enthusiasts working on custom PC builds or console modifications will find this kit invaluable. Its balance of quantity, material quality, and variety makes it the top choice for serious thermal management projects.
Thermal Performance
The C1100 copper grade provides superior heat transfer compared to standard alloys, ensuring efficient cooling for high-performance electronics.
Versatility
With twelve thickness options ranging from point one to two millimeters, you can precisely tailor the shim to your specific gap requirements.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Easycargo 40pcs – Best Premium Copper Pad Shim Kit
Easycargo 40pcs 6 Sizes 20mm Copper Pad Shim Thermal Assortment Kit
40 pieces total
20mm x 20mm size
6 thickness levels
This kit offers a larger footprint compared to many standard options, making it ideal for components requiring broader coverage. It includes forty pieces across six distinct thickness levels to cover most common cooling needs.
Pros
- Larger footprint
- Pure copper material
- Good variety
- Ideal for GPU VRM
Cons
- Fewer pieces than others
- Slightly higher cost
We may earn a commission when you buy through this link, at no additional cost to you.
The material is pure copper with high thermal conductivity, ensuring effective heat dissipation for graphics cards and processors. Users appreciate the robust construction which maintains integrity under pressure from heatsinks.
While the piece count is lower than the hundred-piece variant, the larger size compensates by covering more surface area per unit. This reduces the number of cuts or adjustments needed during installation.
It is a premium choice for those needing reliable thermal transfer without frequent replacements. The selection of thicknesses allows for precise engineering of cooling solutions for complex setups.
Surface Coverage
The twenty by twenty millimeter size provides better coverage for larger chips or VRM modules found on high-end motherboards.
Build Quality
Made from pure copper, these shims resist corrosion and maintain their thermal properties over long periods of use.
We may earn a commission when you buy through this link, at no additional cost to you.
3. MECCANIXITY – Best Budget Copper Pad Shim Kit
MECCANIXITY Heatsink Copper Sheet Shim
5 sets included
0.3mm thickness
Adhesive backing
This kit is a practical solution for quick fixes where adhesive is required. It comes with five sets of twenty by twenty millimeter copper pads pre-equipped with thermal conductive tape.
Pros
- Includes adhesive tape
- Low cost
- Easy installation
- 20mm size
Cons
- Single thickness only
- Adhesive may degrade
We may earn a commission when you buy through this link, at no additional cost to you.
The single thickness of point three millimeters suits standard gaps found in many laptop and desktop cooling scenarios. Users save time by not needing to apply separate paste or glue.
However, relying on a single thickness limits flexibility for custom builds. The adhesive can sometimes wear off over time compared to pasted installations but it remains convenient for minor repairs.
Budget-conscious users seeking an easy-to-install option will find value here. It is best used for quick upgrades on memory modules or small chipset coolers.
Ease of Use
Simply peel and stick the pads onto clean surfaces to instantly improve thermal contact without messy application.
Cost Efficiency
Priced lower than multi-thickness kits, this is an affordable way to add copper cooling to older devices.
We may earn a commission when you buy through this link, at no additional cost to you.
4. 20 x 20 x 1.2mm IC Chipset – Value Copper Pad Shim Kit
20 x 20 x 1.2mm IC Chipset GPU CPU Thermal Heatsink
20 pieces included
1.2mm thickness
Compact design
This pack offers a dedicated solution for components needing a specific one point two millimeter gap. With twenty pieces included, it provides sufficient quantity for several small components like VRAM or north bridges.
Pros
- High rating
- Compact size
- Easy to apply
Cons
- Fixed thickness
- Limited variety
We may earn a commission when you buy through this link, at no additional cost to you.
The design is compact and tailored to fit tight spaces on graphics cards. Users report efficient heat transfer due to the quality of the copper material used in the pads.
While it lacks the variety of multi-thickness kits, the fixed thickness simplifies the buying process for known requirements. It avoids trial and error for specific repair tasks.
Ideal for targeted repairs or replacements in existing hardware. The high customer rating suggests reliability and ease of integration into standard cooling solutions.
Targeted Fit
Designed specifically for IC chipsets and GPUs, these pads ensure optimal spacing for thermal dissipation.
We may earn a commission when you buy through this link, at no additional cost to you.
5. Copper Thermal Shim Kit – Versatile Copper Pad Shim Kit
Copper Thermal Shim Kit – 55pcs, 11 Thicknesses (0.1–2.0mm), 15x15mm Heat Spreader Pads for GPU CPU Laptop Cooling
55 pieces total
11 thickness levels
Polished copper
This kit provides an extensive range of thicknesses to handle diverse cooling requirements. With fifty-five pieces spanning eleven thicknesses from point one to two millimeters, it offers great flexibility for custom projects.
Pros
- Wide thickness range
- Polished surface
- Universal fit
Cons
- Unverified rating
- No adhesive
We may earn a commission when you buy through this link, at no additional cost to you.
The copper is polished to ensure smooth contact with components which reduces thermal resistance. It is compatible with a wide array of devices from laptops to desktop PCs and gaming consoles.
Although the rating is unverified in this dataset, the specifications suggest a robust product for thermal management. The variety allows users to experiment and find the perfect fit for various gaps.
Users looking for a versatile set without breaking the bank will appreciate this option. It serves well for general electronics cooling and hobbyist repairs.
Precision
The eleven distinct thickness options allow for fine-tuning the thermal interface to match exact component spacing.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Easycargo 4pcs 40mm – Large Copper Pad Shim Kit
Easycargo 4pcs 40mm Copper Pad Shim Thermal Kit
4 pieces included
40mm x 40mm size
0.5mm thickness
This kit features a large forty by forty millimeter footprint designed for components requiring extensive coverage. It includes four pieces which are ideal for specialized cooling needs like Peltier modules.
Pros
- Large surface area
- High conductivity
- Specialized for TEC
Cons
- Very few pieces
- Specific size only
We may earn a commission when you buy through this link, at no additional cost to you.
The thin point five millimeter profile ensures low thermal resistance while maintaining structural integrity. It is highly effective for PS3 cooling or 3D printer extruder applications.
Since it only includes four pieces, it is not suitable for broad coverage projects. However, the size and quality make it perfect for specific targeted cooling tasks.
It is best suited for users needing large thermal spreaders for custom industrial or retro console modifications. The material quality ensures efficient heat transfer to larger heatsinks.
Large Format
The forty millimeter size is rare in standard kits, making it essential for large chip cooling or specific industrial modules.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Easycargo 20pcs 15x15mm – Convenient Copper Pad Shim Kit
Easycargo 20pcs Heatsink Copper Pad Shims 15x15mm+ 3M 8810 pre Applied Thermal Conductive Adhesive Tape on Heat Sink for Cooling Laptop GPU CPU IC Chips VGA RAM (15x15x0.5mm)
20 pieces included
15mm x 15mm size
3M adhesive tape
This kit simplifies installation with pre-applied thermal conductive adhesive tape from 3M. It includes twenty pieces of fifteen by fifteen millimeter copper shims suitable for many laptop components.
Pros
- Pre-applied adhesive
- High-quality tape
- Good quantity
Cons
- Single thickness
- Fixed size
We may earn a commission when you buy through this link, at no additional cost to you.
The adhesive is reliable and designed to withstand heat without losing stickiness. This reduces the mess of applying thermal paste manually and ensures secure attachment during operation.
While it lacks thickness variety, the point five millimeter standard suits many common VRAM gaps. The quality of the tape adds durability to the thermal solution.
It is an excellent choice for laptop repairs where ease of use is a priority. The combination of quality tape and copper makes it a reliable option.
Installation Ease
The 3M tape ensures a strong bond without the need for additional adhesives or paste application.
We may earn a commission when you buy through this link, at no additional cost to you.
8. PATIKIL – Compact Copper Pad Shim Kit
PATIKIL Copper Heatsink Pad Shims
12 pieces included
0.3mm thickness
Bur-free edges
This compact pack is a favorite for users seeking high-quality edges. It includes twelve pieces of fifteen by fifteen millimeter shims made from reliable copper material.
Pros
- High rating
- Smooth edges
- Affordable
Cons
- Low piece count
- Single thickness
We may earn a commission when you buy through this link, at no additional cost to you.
The lack of burrs ensures safe handling and prevents short circuits on nearby components. Users praise the smooth surface which facilitates good thermal contact with heatsinks.
Given the small count, it is best for minor repairs rather than full system overhauls. The high rating reflects consistent quality across the batch.
It is a solid pick for budget-friendly upgrades on older laptops. The quality of the copper ensures decent heat transfer even with a simple design.
Safety
Bur-free edges protect delicate circuitry during installation ensuring a safe thermal upgrade.
We may earn a commission when you buy through this link, at no additional cost to you.
9. Leviton Copper Shims – Industrial Copper Pad Shim Kit
Leviton Copper Shims, For 16-18 Series,Commercial Grade, Cam-Type Connector, 10 Per-Pack, A0004
10 pieces included
Commercial grade
Cam-type connector
While designed for electrical connectors, this commercial grade copper shim offers high durability. It is rated highly for maintaining performance in industrial applications where electrical contact is critical.
Pros
- Industrial quality
- Durable material
- High rating
Cons
- Specific industrial use
- Not for PCs
We may earn a commission when you buy through this link, at no additional cost to you.
The material is robust and resists corrosion making it suitable for harsh environments. It serves a niche purpose compared to standard laptop cooling kits.
Its primary use is for commercial electrical work rather than consumer electronics cooling. However, the quality of copper remains superior for thermal conduction.
It is useful for specialized industrial maintenance tasks. The high rating confirms its reliability in demanding settings.
Durability
Commercial grade materials ensure these shims withstand rigorous industrial conditions over time.
We may earn a commission when you buy through this link, at no additional cost to you.
10. M METERXITY – Flexible Copper Pad Shim Kit
M METERXITY 3-Set Copper Shim Strip
3 sets included
Customizable size
Varied thickness
This kit offers long strips that can be cut to any size needed. With three sets containing six different thicknesses, it allows for highly customized thermal solutions.
Pros
- Customizable dimensions
- High flexibility
- Good for crafts
Cons
- Requires cutting
- Not pre-cut
We may earn a commission when you buy through this link, at no additional cost to you.
The strips are brushed and polished to ensure a smooth surface. Users can tailor the exact size for unique components that standard pads cannot fit.
Cutting requires basic tools but provides maximum flexibility for DIY projects. It is ideal for hobbyists who need specific dimensions for complex repairs.
It is a great alternative for those who need bespoke thermal gaps. The variety of thicknesses supports precision engineering tasks.
Customization
You can cut the strips to match any component shape or size for perfect fit.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Copper Pad Shim Kit
Selecting the right copper pad shim kit involves considering material quality, dimensions, and compatibility with your hardware. This guide breaks down the essential factors to ensure effective cooling.
Material Purity
Copper purity significantly impacts thermal conductivity. Look for kits specifying C1100 or pure copper grades to ensure efficient heat transfer. Impurities can reduce performance leading to higher component temperatures.
Always verify the material composition in the product description to avoid inferior alloys that might not dissipate heat effectively.
Thickness Variety
Different components require different gap sizes. A kit with multiple thicknesses allows you to match the exact distance between the chip and the heatsink. Precision prevents pressure issues or insufficient contact.
Choose a kit with a range from thin to thick options to cover all potential needs in your build.
Dimensions
The physical size of the shim must fit the target component. Common sizes include 15mm and 20mm squares which suit most memory and chipset areas. Oversized shims may cause interference.
Measure the target area before purchasing to ensure the kit provides the necessary dimensions for your specific hardware.
Quantity
A higher piece count offers more flexibility for repairs and testing. Kits with over fifty pieces allow you to use multiple shims for larger areas or backup replacements. Low quantity kits may run out quickly.
Select a quantity that matches the scope of your project to avoid multiple purchases.
Adhesive Options
Some kits include pre-applied adhesive for easier installation. This can simplify the process for those less comfortable with thermal paste. However, separate paste often provides better control over thermal resistance.
Decide if you prefer the convenience of adhesive or the performance of manual application when choosing a kit.
Surface Finish
Smooth and polished surfaces ensure better contact with heatsinks. Rough edges can create air gaps that reduce cooling efficiency. Look for descriptions mentioning burr-free or polished finishes.
Prioritize kits that highlight high-quality finishing to maximize thermal performance.
Compatibility
Ensure the kit is suitable for your device type. Some are marketed specifically for laptops or consoles like PS5 while others are generic. Mismatched products might not fit the specific cooling architecture.
Check the product description for supported devices to confirm compatibility with your system.
Value
Consider the price relative to the number of pieces and quality. A slightly higher cost for pure copper may save money compared to buying multiple low-quality kits. Value extends beyond just the sticker price.
Evaluate the total package value including material and count to make a cost-effective decision.
How to Use and Care for Your Copper Pad Shim Kit
Before installation clean the surface of the component with is to remove dust or old paste. Ensure the area is completely dry before applying the copper shim to maintain proper adhesion.
If using adhesive-backed shims peel the backing carefully and place the shim centered over the chip. Apply gentle pressure to secure it ensuring full contact with the surface for optimal heat transfer.
For custom sizes use fine metal scissors to cut the strips or sheets. Smooth any cut edges with fine sandpaper to prevent short circuits or physical damage during installation.
Frequently Asked Questions
What is a copper pad shim kit used for?
A copper pad shim kit is used to improve thermal transfer between electronic components like GPUs and CPUs and their cooling heatsinks. It fills air gaps to prevent overheating and maintain performance stability.
Do I need thermal paste with copper shims?
Yes applying a thin layer of thermal paste between the shim and the component is recommended for best results. While adhesive-backed options exist paste offers better control over thermal resistance.
Are copper shims better than thermal pads?
Copper shims generally offer better thermal conductivity than standard thermal pads but they require more precise fitting. They are ideal for gaps where solid metal transfer is preferred over flexible materials.
Can I cut copper shims to fit larger gaps?
Yes many copper shim sheets can be cut to custom shapes and sizes using metal shears. Ensure edges are smooth to avoid damage to sensitive components during installation.
Will a copper shim damage my graphics card?
A properly installed copper shim will not damage your graphics card as long as it does not short circuit nearby pins. Always ensure the shim is insulated from electrical contacts if possible.
How many shims do I need for a laptop?
Most laptops require four to eight shims for VRAM and chipset cooling depending on the layout. A kit with at least ten pieces ensures you have enough for a complete upgrade.
Final Thoughts on Choosing the Best Copper Pad Shim Kit
The Easycargo 100pcs kit stands out as the overall choice due to its wide variety of thicknesses and large piece count. It offers the flexibility needed for most custom cooling projects.
Budget users might prefer the MECCANIXITY option for its affordability and ease of installation. Regardless of choice focus on material purity to ensure effective heat dissipation.
Remember to verify compatibility with your specific hardware before buying. Always check the latest product details to confirm current specs and availability.