Looking Beyond the Easycargo 6x6x3mm Copper Heatsink 10-Pack? 6 Alternatives Worth a Look

How the alternatives compare

Easycargo 6x6x3mm Copper Heatsink 10-Pack

This is the original Easycargo 6x6x3mm Copper Heatsink. It measures 6x6x3 mm and uses pre-applied 3M 8810 thermal adhesive tape. It is designed for passive cooling of small VRMs, MOSFETs, or GPU components. The compact size fits tight spaces. It comes in a 10-pack. This option is best for users who need the smallest footprint for direct component cooling. It provides a straightforward solution for heat dissipation on small integrated circuits or power regulators without requiring additional mounting hardware.

Easycargo 9mm Copper VRM Heatsinks

The Easycargo 9mm Copper VRM Heatsinks are larger than the original. They measure 9x9x4 mm, offering more surface area for heat dissipation. This makes them better for VRMs and stepper drivers that generate more heat. The 4 mm height provides extra mass compared to the 3 mm original. You should choose this if you need reliable passive cooling in tight spaces but require slightly more thermal capacity. It retains the pre-applied adhesive for easy installation. The trade-off is the increased size, which may not fit in the most cramped enclosures.

Easycargo 6mm Copper Heatsink 10-Pack

This Easycargo 6mm Copper Heatsink 10-Pack is similar to the original but has a 5 mm height instead of 3 mm. The base remains 6x6 mm. The extra height adds thermal mass for better passive airflow performance. It is ideal for cooling small VRMs and stepper drivers where space allows for a slightly taller component. The pre-applied tape ensures quick mounting. You should pick this if you want the same footprint as the original but need improved heat spreading. It balances compactness with enhanced cooling potential for moderate thermal loads.

Easycargo 12mm Copper VRM Heatsink 6-Pack

The Easycargo 12mm Copper VRM Heatsink 6-Pack is significantly larger. It measures 12x12x4 mm, providing much more surface area than the 6x6x3 mm original. This is best for multiple small VRM or MOSFET cooling needs where heat output is higher. The 4 mm height and larger base improve passive cooling efficiency. You should choose this if you need robust thermal management for power components. The trade-off is the larger footprint, which requires more space on your board. It comes in a 6-pack, so you get fewer units but greater individual cooling power.

Easycargo 15x15x0.5mm Copper Shims 20-Pack

The Easycargo 15x15x0.5mm Copper Shims 20-Pack are flat shims rather than block heatsinks. They measure 15x15x0.5 mm, making them ideal for targeted cooling of small laptop ICs. The thin profile fits where block heatsinks cannot. You should use these for VRAM or chipset ICs that need direct contact with a cooling solution. The pre-applied adhesive simplifies installation. Unlike the original, these do not provide significant thermal mass. They are best for fine-tuning thermal paths or filling gaps rather than active heat dissipation. They offer versatility for specific laptop or small form factor builds.

Easycargo 100-Piece 15mm Copper Shim Kit

The Easycargo 100-Piece 15mm Copper Shim Kit contains flat 15x15 mm shims. These are designed for precise gap filling for M.2 SSDs. They are not block heatsinks like the original. You should use these if you need exact spacing for M.2 cooling solutions rather than direct component cooling. The kit includes 100 pieces for extensive projects. They lack the height of the original 3 mm heatsink. This option is for builders who need to adjust fitment for SSD coolers. It is a practical solution for fine-tuning thermal interfaces without the bulk of a traditional heatsink block.

Easycargo 20mm Copper Pad Shim Kit

The Easycargo 20mm Copper Pad Shim Kit offers versatile spacing options. The pads are larger and come in an assortment for precise thermal management. They are ideal for VRMs, RAM, or SSDs without the bulk of larger heatsinks. You should choose this if you need specific gaps for your components. Unlike the original block heatsink, these are flexible pads for gap filling. They do not provide significant heat dissipation on their own. This kit is best for builders who need to adjust the distance between components and cooling plates. It offers flexibility for various board layouts and component heights.

Quick picks

Our 7 picks

1 Best overall

Easycargo 6x6x3mm Copper Heatsink 10-Pack

Best for: cooling small VRM or MOSFET components

Material

copper

Cooling Method

passive

Compatible Device

GPU, VRM, MOSFET, IC chips

Dimensions

6 x 6 x 3 mm

Mounting Type

pre-applied adhesive tape

Features

Thermal Tape

View on Amazon: Easycargo 6x6x3mm Copper Heatsink 10-Pack Affiliate link

This is a 10-pack of 6x6x3mm copper heatsinks designed for passive cooling. Each unit comes with pre-applied 3M 8810 thermal conductive adhesive tape. The compact 3mm height makes it suitable for tight spaces around VRM, MOSFET, and small IC chips. You get a pure copper build for efficient heat dissipation without needing fans or complex mounting hardware. It is a straightforward solution for small component cooling.

Pros

• Pure copper material for high thermal conductivity
• Pre-applied 3M 8810 adhesive tape for easy installation
• Compact 6x6x3mm dimensions fit small components
• Includes 10 heatsinks per pack

Cons

• Only 3mm height limits surface area for heat dissipation
• Passive cooling only, no fan support
• Adhesive tape may not suit all surfaces

Good fit if

• You need to cool small VRM or MOSFET components
• You require passive cooling for tight spaces
• You want pre-applied adhesive for quick installation

Skip if

• You need active cooling with fans
• You require heatsinks taller than 3mm
• You are cooling large GPU chips

Verdict: Easycargo 6mm Copper Heatsink is a practical choice for cooling small VRM or MOSFET components in tight spaces. It fits users who need passive cooling with pre-applied adhesive for quick installation.

2 Also great

Easycargo 9mm Copper VRM Heatsinks

Best for: cooling VRMs and stepper drivers in tight spaces

Material

Copper

Cooling Method

passive

Compatible Device

VRM GPU Stepper Driver MOSFET Regulators

Dimensions

9mm x 9mm x 4mm

Mounting Type

Pre applied adhesive tape backing

Features

Thermal Tape

View on Amazon: Easycargo 9mm Copper VRM Heatsinks Affiliate link

This kit includes ten 9mm x 9mm x 4mm copper heatsinks designed for passive cooling. Each unit features a pre-applied thermal conductive adhesive tape backing, simplifying installation on VRMs, GPUs, stepper drivers, and MOSFETs. The pure copper material offers efficient heat dissipation for small electronic components. You will find this practical for compact builds where space is limited and direct mounting is required without additional hardware.

Pros

• Made from pure copper for effective thermal transfer
• Compact 9mm x 9mm x 4mm dimensions fit tight spaces
• Pre-applied thermal conductive adhesive tape for easy mounting
• Includes a 10-piece kit for multiple component cooling

Cons

• Passive cooling only, lacking a fan for active heat removal
• Small 9mm footprint limits surface area for high-heat components
• Adhesive backing may leave residue if removed

Good fit if

• You need to cool VRMs or MOSFETs in a compact PC build
• You want pre-applied adhesive to save time on installation
• You are cooling low-to-medium heat generating stepper drivers

Skip if

• You require active cooling with a fan for high-wattage chips
• You need heatsinks larger than 9mm to fit your component
• You prefer removable mounting options without adhesive residue

Verdict: Easycargo 9x9x4mm Copper VRM Heatsink is a solid choice for cooling small electronic components like VRMs and stepper drivers in space-constrained builds. You should buy this if you need reliable passive cooling with an easy adhesive installation method.

3 Also great

Easycargo 6mm Copper Heatsink 10-Pack

Best for: Cooling small VRMs and stepper drivers

Material

Copper

Cooling Method

Passive

Compatible Device

VRM, GPU, MOSFET, stepper driver

Dimensions

6mm x 6mm x 5mm

Mounting Type

Pre-applied 3M 8810 adhesive tape

Features

Thermal Tape

View on Amazon: Easycargo 6mm Copper Heatsink 10-Pack Affiliate link

You get ten 6x6x5mm copper heatsinks with pre-applied 3M 8810 adhesive tape. The 5mm height provides more surface area than the 3mm variant. This passive cooler suits VRMs, MOSFETs, and stepper drivers. The pure copper material aids heat dissipation. It is a practical option for small electronic components needing extra cooling.

Pros

• Includes 10 pieces for multiple applications
• Pure copper construction for efficient heat transfer
• Pre-applied 3M 8810 thermal adhesive tape
• 5mm height offers more surface area than 3mm models

Cons

• Smaller footprint than 12mm alternatives
• Passive cooling only, no fan support
• Limited to small chips and VRMs

Good fit if

• You need passive cooling for VRM or MOSFET chips
• You want pre-applied adhesive for easy installation
• You require pure copper for better thermal performance

Skip if

• You need active cooling with a fan
• You require larger 12mm heatsinks for high-power components
• You prefer aluminum over copper material

Verdict: Easycargo 6mm Copper Heatsink 10-Pack is a solid choice for cooling small VRMs and stepper drivers with passive airflow. The 5mm height and pre-applied tape make it easy to install on compact electronics.

4 Also great

Easycargo 12mm Copper VRM Heatsink 6-Pack

Best for: multiple small VRM or MOSFET cooling needs

Material

copper

Cooling Method

passive

Compatible Device

GPU, VRM, MOSFET, IC chips

Dimensions

12 x 12 x 4 mm

Mounting Type

pre-applied adhesive tape

Features

Thermal Tape

View on Amazon: Easycargo 12mm Copper VRM Heatsink 6-Pack Affiliate link

This pack includes six 12x12x4mm copper heatsinks with pre-applied 3M 8810 adhesive tape. The 4mm height provides more surface area than the standard 3mm options on this list. You get a solid passive cooling solution for small components. The 3.3-gram weight per piece ensures stable adhesion. It is a practical choice for VRMs, MOSFETs, and small IC chips.

Pros

• 12x12x4mm copper construction
• Pre-applied 3M 8810 thermal adhesive
• Includes 6 units per pack
• 3.3 grams weight per piece

Cons

• 4mm height is thicker than 3mm alternatives
• Passive cooling only
• Smaller surface area than large CPU coolers

Good fit if

• You need passive cooling for VRMs or MOSFETs
• You prefer copper over aluminum for heat dissipation
• You want pre-applied adhesive for easy installation

Skip if

• You require active fan cooling
• You need large heatsinks for high-TDP CPUs
• You want a single large heatsink instead of multiple small ones

Verdict: Easycargo 12mm Copper Heatsink 6-Pack offers reliable passive cooling for small electronic components. It is best for builders who need multiple small copper heatsinks for VRM or MOSFET cooling.

5 Best budget

Easycargo 15x15x0.5mm Copper Shims 20-Pack

Best for: Targeted cooling of small laptop ICs

Material

Copper

Cooling Method

passive

Compatible Device

Laptop GPU CPU IC Chips VGA RAM

Dimensions

15x15x0.5mm

Mounting Type

Pre applied adhesive tape backing

Features

Thermal Tape

View on Amazon: Easycargo 15x15x0.5mm Copper Shims 20-Pack Affiliate link

This kit provides 20 copper pad shims measuring 15x15x0.5mm. Each shim features pre-applied 3M 8810 thermal conductive adhesive tape. You use these for passive cooling on laptop GPU, CPU, VRAM, and chipset ICs. The pure copper material helps dissipate heat. This option suits you if you need precise spacing or targeted cooling for small components on a motherboard or graphics card.

Pros

• Pure copper construction for efficient heat dissipation
• Pre-applied 3M 8810 thermal conductive adhesive tape
• Thin 0.5mm profile for tight spaces
• Includes 20 pieces for multiple applications

Cons

• Small 15x15mm size limits surface area coverage
• Passive cooling only, no fan support
• Adhesive backing may limit repositioning

Good fit if

• You need to cool specific VRAM or chipset ICs
• You require a thin shim for tight laptop cases
• You want pre-applied adhesive for quick installation

Skip if

• You need large heatsinks for main CPU cores
• You require active cooling with fans
• You prefer removable heatsinks without adhesive

Verdict: Easycargo 15mm Copper Heatsink Shims fits you if you need targeted passive cooling for small laptop components like VRAM or chipset ICs. The pre-applied adhesive simplifies installation for these specific spots.

6 Best premium

Easycargo 100-Piece 15mm Copper Shim Kit

Best for: Precise gap filling for M.2 SSDs

Material

Copper C1100

Compatible Device

PC, Laptop GPU, CPU, M.2 NVMe SSD

Length

0.6 inches

Width

0.6 inches

View on Amazon: Easycargo 100-Piece 15mm Copper Shim Kit Affiliate link

This kit provides 100 pure copper C1100 shims to fill gaps between M.2 NVMe SSDs and heatsinks. The shims measure 15 by 15 mm and come in 12 different thicknesses ranging from 0.1 to 2 mm. You get multiple pieces of each size for flexible configuration. The high thermal conductivity of 401 W/mK helps transfer heat efficiently. This set is ideal for users who need precise gap filling for low-profile cooling setups.

Pros

• 100 pieces included for ample supply
• Pure copper C1100 material for 401 W/mK conductivity
• 12 distinct thicknesses from 0.1 to 2 mm
• Available with or without pre-applied adhesive

Cons

• No thermal adhesive included in the base option
• Shims are flat plates, not finned heatsinks
• Requires separate mounting hardware for installation

Good fit if

• You need to fill small gaps between SSDs and coolers
• You require precise thickness adjustments for low-profile builds
• You want pure copper for maximum heat transfer

Skip if

• You need a complete heatsink with fins
• You want a pre-assembled cooling solution
• You prefer aluminum over copper for weight savings

Verdict: Easycargo 15mm Copper Shim Kit is a practical solution for fine-tuning the fit of M.2 SSD cooling. It suits builders who need exact gap spacing rather than active cooling.

7

Easycargo 20mm Copper Pad Shim Kit

Best for: Precise gap filling for VRMs and SSDs

Material

Pure Copper C1100

Compatible Device

CPU, GPU, VGA, RAM, VRM, PS5 SSD

Dimensions

20mm x 20mm

Weight

4.66 ounces

View on Amazon: Easycargo 20mm Copper Pad Shim Kit Affiliate link

This kit provides 40 pure copper C1100 shims, each measuring 20 by 20 millimeters. You get a mix of six thicknesses, including seven pieces at 0.3, 0.5, 0.8, and 1 millimeter, plus six pieces each at 1.2 and 1.5 millimeters. The high thermal conductivity of 401 W/mK helps fill gaps between components and heatsinks. It suits you if you need precise spacing for VRM, RAM, or M.2 SSDs.

Pros

• Pure Copper C1100 material for high thermal conductivity
• Includes 40 pieces in 6 different thicknesses
• Low profile 20mm x 20mm size fits tight spaces
• Thermal conductivity rating of 401 W/mK

Cons

• No adhesive backing included for easy installation
• Thicker options max out at 1.5mm
• Requires manual cutting or trimming to size

Good fit if

• You need exact spacing for VRM or RAM modules
• You are building a custom cooling setup for M.2 SSDs
• You require multiple thicknesses for different components

Skip if

• You want pre-adhesive shims for quick application
• You need thicknesses greater than 1.5mm
• You prefer a single uniform shim size

Verdict: Easycargo 20mm Copper Shim Assortment offers versatile spacing options for precise thermal management. It is ideal for builders who need specific gaps for VRMs, RAM, or SSDs without the bulk of larger heatsinks.

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