The Best MECCANIXITY Heatsinks in 2026: 7 Picks
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You need the best MECCANIXITY heatsinks for small components like chipsets and ICs. This list covers 7 copper shims and pads designed for desktop and GPU cooling. The top pick is the MECCANIXITY 6x6x4mm Copper Heatsink 5-Pack. It leads because its compact 6x6x4mm size targets heat dissipation on specific small components effectively. These products vary in thickness from 0.3mm to 2mm. We selected these picks strictly by comparing the specifications published on the listings. You get passive cooling solutions for tight spaces without complex mounting hardware.
Quick picks
Our 7 picks
MECCANIXITY 6x6x4mm Copper Heatsink 5-Pack
Best for: cooling small IC chips and chipsets
- Material
- Copper
- Compatible Device
- chip, IC chipset
- Dimensions
- 6x6x4mm
- Mounting Type
- Self Adhesive
This MECCANIXITY heatsink uses copper fins to lower temperatures for IC chips and chipsets. The 6x6x4mm size fits small components, and the self-adhesive backing allows for quick installation without tools. You get five units per pack, making it suitable for cooling multiple small chips on a motherboard or graphics card. It is a practical solution for targeted heat dissipation in tight spaces.
Pros
- Copper material improves heat dissipation efficiency
- Compact 6x6x4mm dimensions fit small chips
- Self-adhesive backing simplifies installation
- Pack of 5 units for multiple components
Cons
- Small 6x6x4mm size limits cooling capacity for large processors
- Only includes ordinary self-adhesive, not high-performance thermal pads
- No mounting hardware included for non-adhesive applications
Good fit if
- You need to cool small IC chips or chipsets
- You require a low-profile heatsink for tight spaces
- You want to cool multiple small components at once
Skip if
- You need to cool a main CPU or GPU die
- You prefer screw-mounted heatsinks for better stability
- You need a larger surface area for high heat output
Verdict: MECCANIXITY 6x6x4mm Copper Heatsink is a compact, adhesive-backed solution for cooling small IC chips and chipsets. It fits best when you need to target heat dissipation on specific small components rather than a large processor.
MECCANIXITY 15x15mm 1mm Copper Shims
Best for: Cooling small IC chips on motherboards
- Material
- Copper
- Compatible Device
- Desktop Computer CPU
- Dimensions
- 15mm x 15mm, 1mm thickness
- Mounting Type
- Thermal Conductive Adhesive Tape
- Weight
- 0.35 ounces
This MECCANIXITY copper shim measures 15 by 15 millimeters with a 1-millimeter thickness. It uses thermal conductive adhesive tape for direct mounting on small chips, memory modules, or northbridge areas. The copper material handles temperatures up to 160 degrees Celsius. It suits you if you need to cool specific IC components on a desktop motherboard or graphics card without complex hardware installation.
Pros
- 1mm copper thickness for stable heat transfer
- 15mm x 15mm size fits small chipsets
- Pre-applied thermal conductive adhesive tape
- Withstands temperatures up to 160 degrees Celsius
Cons
- Surface darkens when exposed to air
- Small 15mm x 15mm footprint limits coverage
- Adhesive backing may leave residue
Good fit if
- You need to cool small IC chips
- You want a simple peel-and-stick solution
- You require 1mm thickness for gap filling
Skip if
- You need to cool a main CPU
- You require large surface area coverage
- You want a permanent non-adhesive mount
Verdict: MECCANIXITY 15mm Copper Shim 1mm Thick is a simple adhesive pad for cooling small chips. It fits you if you need to cool memory or northbridge components on a desktop board.
MECCANIXITY 20x20mm 0.3mm Copper Shims
Best for: cooling small electronic components
- Material
- Copper
- Compatible Device
- Desktop Computer GPU CPU
- Dimensions
- 20mm x 20mm, 0.3mm thickness
- Mounting Type
- Thermal Conductive Adhesive Tapes
- Length
- 0.79 inches
- Width
- 0.79 inches
This copper thermal shim measures 20mm by 20mm with a 0.3mm thickness. It uses thermal conductive adhesive tapes for mounting on desktop GPU or CPU components. The copper material withstands temperatures up to 160 degrees. You get five sets per package. It suits users needing to cool small electronic devices like memory modules or chipsets without active cooling.
Pros
- Made of durable copper material
- Includes thermal conductive adhesive tapes
- Withstands high temperatures of 160 degrees
- Package contains five sets
- Dimensions are 20mm x 20mm
Cons
- 0.3mm thickness is thinner than the 1mm and 2mm options available
- Surface darkens when exposed to air
- Limited to small electronic devices
Good fit if
- You need to cool small components like memory modules
- You require a thin 0.3mm profile
- You want pre-applied thermal adhesive tapes
Skip if
- You need a thicker shim for larger gaps
- You prefer a heatsink with fans
- You are cooling a large CPU socket directly
Verdict: MECCANIXITY Copper Shim 20x20mm 0.3mm is a practical solution for cooling small components like memory modules or chipsets. It fits users who need a thin, adhesive-backed copper pad for desktop GPU or CPU areas.
MECCANIXITY 20x20mm 2mm Copper Shims
Best for: cooling small chips and bridge components
- Material
- Copper
- Compatible Device
- Desktop computer GPU, CPU
- Dimensions
- 20mm x 20mm x 2mm
- Mounting Type
- Thermal conductive adhesive tape
- Weight
- 1.41 ounces
This is a copper thermal shim designed for small electronics. It measures 20 by 20 millimeters with a 2-millimeter thickness. The pad includes thermal conductive adhesive for direct attachment. You can use it on desktop GPUs, CPUs, or memory modules. The copper material withstands temperatures up to 160 degrees. It helps transfer heat away from components without active cooling.
Pros
- 20mm x 20mm x 2mm copper construction
- Includes thermal conductive adhesive tape
- Withstands temperatures up to 160 degrees
- Compatible with desktop GPU and CPU
Cons
- Limited to small surface areas
- Copper surface darkens when exposed to air
- No fan or active cooling mechanism
Good fit if
- You need to cool a specific chip or bridge
- You require a 2mm thick thermal shim
- You are working on a desktop GPU or CPU
Skip if
- You need a large heatsink for a high-TDP CPU
- You want active cooling with a fan
- You require a thin 0.3mm shim
Verdict: MECCANIXITY Copper Shim 20x20mm 2mm is a simple passive cooling solution for small components. It fits users who need a durable copper pad with adhesive for targeted heat transfer on GPUs or chipsets.
MECCANIXITY 20mm x 20mm x 1.5mm Copper Shims
Best for: Cooling small chips with a 1.5mm gap
- Material
- Copper
- Compatible Device
- Chips, notebooks, memory modules
- Dimensions
- 20mm x 20mm x 1.5mm
View on Amazon: MECCANIXITY 20mm x 20mm x 1.5mm Copper Shims
This MECCANIXITY heatsink is a copper shim designed for cooling small electronic components. It measures 20mm by 20mm with a 1.5mm thickness. The copper material transfers heat from ICs, memory modules, or graphics cards. You apply adhesive separately to attach it. It withstands temperatures up to 160 degrees. This pad suits users needing specific thickness for chip cooling.
Pros
- Made of pure copper for effective heat transfer
- 20mm x 20mm size fits many small chips
- 1.5mm thickness accommodates various component heights
- Withstands high temperatures up to 160 degrees
Cons
- Adhesive is not included in the package
- Surface darkens when exposed to air
- Only covers a small 20mm x 20mm area
Good fit if
- You need a 1.5mm thick copper shim
- You are cooling small ICs or memory modules
- You have your own adhesive for installation
Skip if
- You require a pre-adhesive backing
- You need to cool a large CPU
- You want a complete heatsink with fans
Verdict: MECCANIXITY Copper Shim 20mm 20mm 1.5mm is a simple copper pad for targeted cooling. It fits users who need a specific 1.5mm gap filler for small chips and have their own adhesive.
MECCANIXITY Copper Shim 15x15x1.8mm
Best for: Cooling small chips with a 1.8mm gap
- Material
- Copper
- Dimensions
- 0.59 x 0.59 x 0.071 inches
This MECCANIXITY copper shim measures 15mm by 15mm with a 1.8mm thickness. The solid copper material transfers heat from small electronic chips to the pad. It withstands temperatures up to 160 degrees. You use your own adhesive to attach it. This size is ideal for cooling ICs, memory modules, or north bridges on small devices that lack built-in cooling.
Pros
- Solid copper construction for efficient heat transfer
- 1.8mm thickness fills specific gaps
- Resists temperatures up to 160 degrees
- Includes 12 copper sheets per package
Cons
- Requires you to supply your own adhesive
- Surface darkens when exposed to air
- Limited to small chip cooling applications
Good fit if
- You need to fill a 1.8mm gap
- You are cooling small electronic chips
- You want a durable copper shim
Skip if
- You need pre-applied adhesive
- You are cooling a large CPU
- You require a 15mm x 15mm x 1mm shim
Verdict: MECCANIXITY Copper Shim 15x15x1.8mm fits users who need a specific 1.8mm copper spacer for small electronics. It provides reliable heat transfer for ICs and memory modules when you secure it with separate adhesive.
MECCANIXITY 15mm Copper Shim 0.5mm
Best for: Cooling small chips and memory modules
- Material
- Copper
- Compatible Device
- Chips, notebooks, memory modules
- Dimensions
- 15mm x 15mm x 0.5mm
- Length
- 0.59 inches
- Width
- 0.59 inches
- Weight
- 0.71 ounces
This MECCANIXITY heatsink is a 15mm x 15mm copper sheet with a 0.5mm thickness. It transfers heat from chips, notebooks, and memory modules to the surrounding air. The package includes 12 pieces of these copper gaskets. You must apply your own adhesive to attach them to hardware. The copper material withstands temperatures up to 160 degrees. This shim helps extend the service time of small electronic components without built-in cooling.
Pros
- Made of pure copper for high thermal conductivity
- Compact 15mm x 15mm size fits small chips
- Includes 12 copper sheets per package
- Withstands high temperatures up to 160 degrees
Cons
- Requires separate adhesive for installation
- Surface darkens when exposed to air
- Thin 0.5mm profile limits heat dissipation area
Good fit if
- You need to cool small IC chips or memory modules
- You are working on notebooks or small electronics
- You want to add passive cooling to components without fans
Skip if
- You need a pre-assembled cooler with a fan
- You require a heatsink for a large CPU socket
- You want a solution that does not need adhesive
Verdict: MECCANIXITY 15mm Copper Shim 0.5mm is a practical passive cooling add-on for small electronic components. It suits you if you are cooling memory modules or chipset areas on notebooks where space is tight.
Specifications side by side
| Spec | MECCANIXITY 6x6x4mm Copper Heatsink 5-Pack | MECCANIXITY 15x15mm 1mm Copper Shims | MECCANIXITY 20x20mm 0.3mm Copper Shims | MECCANIXITY 20x20mm 2mm Copper Shims | MECCANIXITY 20mm x 20mm x 1.5mm Copper Shims | MECCANIXITY Copper Shim 15x15x1.8mm | MECCANIXITY 15mm Copper Shim 0.5mm |
|---|---|---|---|---|---|---|---|
| Material | Copper | Copper | Copper | Copper | Copper | Copper | Copper |
| Compatible Device | chip, IC chipset | Desktop Computer CPU | Desktop Computer GPU CPU | Desktop computer GPU, CPU | Chips, notebooks, memory modules | not specified | Chips, notebooks, memory modules |
| Dimensions | 6x6x4mm | 15mm x 15mm, 1mm thickness | 20mm x 20mm, 0.3mm thickness | 20mm x 20mm x 2mm | 20mm x 20mm x 1.5mm | 0.59 x 0.59 x 0.071 inches | 15mm x 15mm x 0.5mm |
| Mounting Type | Self Adhesive | Thermal Conductive Adhesive Tape | Thermal Conductive Adhesive Tapes | Thermal conductive adhesive tape | not specified | not specified | not specified |
| System Type | not specified | Desktop | Desktop | Desktop | not specified | not specified | not specified |
| Features | not specified | Thermal Tape | not specified | not specified | not specified | not specified | not specified |
| Weight | not specified | 0.35 ounces | 0.35 ounces | 1.41 ounces | not specified | not specified | 0.71 ounces |
| Length | not specified | not specified | 0.79 inches | not specified | not specified | not specified | 0.59 inches |
| Width | not specified | not specified | 0.79 inches | not specified | not specified | not specified | 0.59 inches |
| Size | 6x6x4mm | 1mm | 0.3mm | 2mm | 20mm x 20mm x 1.5mm | 15mm x 15mm x 1.8mm | not specified |
| Model | mea220402ee0154 | mea231220ee000018 | mea231220ee000001 | mea231220ee000014 | mea231224ee000534 | mea231224ee000521 | mea240106ee000287 |
MECCANIXITY Heatsink Lineup Overview
These products are copper shims and pads for passive cooling. They differ mainly by thickness and footprint. The 6x6x4mm block and 1mm shim suit tight spaces on small ICs. The 20x20mm pads offer a larger surface area for chipsets or GPU components. Thickness ranges from 0.3mm to 2mm, allowing you to fill specific gaps between the chip and the heatsink.
You should choose based on the gap size and component location. Use the 0.3mm or 0.5mm shims for thin memory modules. The 1.5mm and 1.8mm pads work when you need to bridge a larger distance. All items rely on adhesive or separate tape for attachment. They are designed for desktop boards and GPU areas, providing direct heat transfer without moving parts.
Where MECCANIXITY Fits Your Build
This brand focuses on passive copper shims for small components. The range spans from the tiny 6x6x4mm block to 20x20mm pads. Thickness varies from 0.3mm to 2mm. You can find adhesive-backed options or bare pads for custom mounting. These suits users cooling chipsets, memory, or GPU VRMs. However, the lineup lacks large CPU coolers or fans. If you need primary processor cooling, this brand does not fit. It is strictly for targeted heat dissipation on small integrated circuits and bridge components.
If you prefer preinstalled thermal hardware, you can evaluate the best nvme SSDs with heatsink specifications directly.
Choosing the Right MECCANIXITY Heatsink
-
Match the Footprint
You must ensure the shim’s surface area covers the target component. The 20x20mm pads offer a larger footprint for chipsets or GPU bridges. If your component is smaller, a 15x15mm or 6x6mm block is better. The MECCANIXITY 6x6x4mm Copper Heatsink 5-Pack fits small ICs precisely. Check the length and width specs. A mismatch leaves parts of the chip exposed. Proper coverage ensures efficient heat transfer from the hot spot to the copper.
-
Check the Thickness
Thickness determines how the shim bridges gaps between components. The 0.3mm shim is thin for tight spaces. The 2mm version adds more mass for larger heat loads. The 1.5mm and 1.8mm options fill specific gaps. You need to measure the distance from the chip to your cooling solution. If you use separate adhesive, bare pads like the 1.5mm version work well. If you need instant stick, choose the adhesive-backed 1mm or 2mm shims. Thickness is critical for fit.
-
Identify the Material
All listed products use copper. Copper conducts heat faster than aluminum. This makes it ideal for small, high-density components like memory modules or northbridge chips. You do not need to compare materials here. Every option in this guide shares this advantage. The uniform material choice simplifies your decision. You only need to focus on dimensions and mounting style. Copper ensures the heat moves away from the component quickly.
-
Verify Mounting Style
Some shims come with thermal tape or adhesive. The 1mm and 2mm 20x20mm pads include adhesive backing. This makes installation easy on desktop motherboards or GPUs. Other pads, like the 1.5mm and 1.8mm versions, are bare. You must apply your own adhesive or tape to these. Check the product attributes for thermal tape mentions. If you want a quick install, pick the pre-glued options. If you have specific mounting needs, bare pads offer flexibility.
-
Consider System Type
Most shims are designed for desktop systems. The 20x20mm pads list compatibility with GPUs and desktop boards. The 15mm 0.5mm shim suits notebooks where space is tight. You need to match the shim to your device form factor. Large pads may not fit in small laptop chassis. Small blocks work well in both desktop and mobile setups. Check the compatible device field. Ensure the physical size fits your motherboard layout or GPU PCB without interfering with other parts.
Frequently asked questions
Are MECCANIXITY heatsinks made of copper?
Yes, all listed MECCANIXITY heatsinks are made of copper. Copper is chosen for its high thermal conductivity, which helps move heat away from small components like ICs and chipsets. This material ensures efficient passive cooling for desktop motherboards and GPUs without needing active fans.
Do these heatsinks come with adhesive?
Some models include thermal tape or adhesive backing, while others are bare pads. The MECCANIXITY 6x6x4mm Copper Heatsink and the 15x15mm 1mm Copper Shims feature adhesive for easy installation. However, the 20mm x 20mm x 1.5mm and 15x15x1.8mm shims are bare copper, requiring you to apply your own adhesive for mounting.
Which MECCANIXITY heatsink is best for chipsets?
The MECCANIXITY 6x6x4mm Copper Heatsink 5-Pack is the top pick for cooling small IC chips and chipsets. Its compact 6x6x4mm size targets specific small components effectively. Alternatively, the 20x20mm 2mm Copper Shims provide a larger surface area for broader chipset areas if you need more heat dissipation capacity.
What thickness options are available?
MECCANIXITY offers shims ranging from 0.3mm to 2mm in thickness. The 20x20mm 0.3mm shim is ideal for tight spaces, while the 20x20mm 2mm shim suits components needing more mass. Thicker options like the 1.5mm and 1.8mm shims act as gap fillers for specific spacing requirements on your motherboard.
Can I use these on a GPU?
Yes, several models are compatible with GPUs. The 20x20mm 0.3mm and 2mm Copper Shims are explicitly noted as compatible with GPU devices. They help cool small electronic components on graphics cards. Ensure the shim size matches the heat source area on your GPU for optimal thermal transfer performance.
How do I choose the right size?
Match the shim footprint to your target component. Use the 6x6x4mm block for tiny ICs or the 15x15mm shims for slightly larger chips. The 20x20mm pads offer a larger surface area for chipsets or GPU bridges. Selecting the correct dimensions ensures the heatsink covers the heat-generating area completely.