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Looking Beyond the PATIKIL 15x15x0.3mm Copper Heatsink Shims? 6 Alternatives Worth a Look

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The PATIKIL 15x15x0.3mm Copper Heatsink Shims provide reliable heat transfer for tight spaces. You should look for patikil copper heatsink pad shims alternatives if you need a different thickness, a larger surface area, or pre-applied adhesive for easier installation. This original product uses pure copper to bridge small gaps between components like GPUs and CPUs. Its 0.3mm profile is ideal for precise thermal clearance without adding bulk. However, your specific cooling scenario might require a thicker shim to fill wider voids or a different brand for better availability. Some users prefer shims with integrated tape to save time during assembly. Others need larger dimensions to cover more surface area on heat-generating chips. We selected these options because their specifications overlap with the original product. Each alternative shares the core material or dimensional compatibility needed for effective heat dissipation. You can compare these specs to find the exact fit for your hardware. This guide focuses on the practical differences in size, material, and included features to help you make an informed choice.

How alternatives compare to PATIKIL

PATIKIL 15x15x0.4mm Copper Heatsink Shims

The PATIKIL 15x15x0.4mm Copper Heatsink Shims offer a thicker profile at 0.4mm compared to the original 0.3mm version. This extra 0.1mm of copper provides a more substantial thermal bridge for larger gaps. You get the same 15x15mm footprint and pure copper material, ensuring consistent conductivity. The increased thickness helps when the clearance between your GPU chip and heatsink is slightly too wide for the thinner shim. You should choose this alternative if your specific hardware requires that precise 0.4mm gap fill. It sacrifices minimal surface area for better gap coverage. The installation remains the same, requiring you to apply adhesive manually. This option is ideal for users who found the standard 0.3mm shim too loose in their thermal setup.

JIUWU 15x15x0.8mm Copper Heatsink Shims

JIUWU 15x15x0.8mm Copper Heatsink Shims double the thickness of the original PATIKIL shims. At 0.8mm, these pads bridge significantly wider gaps on laptop GPUs and CPUs. The pure copper construction maintains high thermal conductivity, essential for dissipating heat from hot components. You gain more material to compress, which can improve contact pressure in uneven thermal interfaces. However, the increased height may not fit in tight spaces designed for thinner shims. You should pick this if your current gap is too large for 0.3mm or 0.4mm options. The 15x15mm size matches the original, ensuring it fits standard chip footprints. This thicker profile is best for older laptops or high-performance chips that generate substantial heat and require a robust thermal path.

Uxcell 20mm Pure Copper Thermal Shim

Uxcell 20mm Pure Copper Thermal Shim increases the surface area to 20x20mm while offering a 1.0mm thickness. This larger footprint covers more of the component surface, potentially spreading heat over a wider area. The 1.0mm thickness is ideal for filling deep gaps that the original 0.3mm shim cannot reach. You get pure copper for excellent heat transfer, similar to the PATIKIL product. However, the larger size may not fit smaller chips or constrained spaces. You should choose this if you need to cover a larger area or have a deeper gap to fill. The weight is higher due to the larger volume of copper. This shim is best for users who prioritize gap filling capacity and surface coverage over the compact dimensions of the original 15x15mm shims.

Easycargo 15x15x0.5mm Copper Shims 20-Pack

Easycargo 15x15x0.5mm Copper Shims come with pre-applied 3M 8810 thermal tape. This adhesive backing eliminates the need to source and apply your own glue, simplifying installation. The 0.5mm thickness is thicker than the original 0.3mm shim, providing a better thermal bridge for slightly larger gaps. You retain the same 15x15mm copper footprint for compatibility. The convenience of pre-applied tape is the main advantage, saving time during assembly. However, the tape adds a small amount of thermal resistance compared to direct adhesive application. You should pick this if you value ease of use and want a quick, clean installation. It is suitable for laptop GPU and VRAM cooling where quick swaps might be necessary. The copper material ensures reliable heat dissipation.

Easycargo 100-Piece 15mm Copper Shim Kit

Easycargo 100-Piece 15mm Copper Shim Kit offers a variety of thicknesses in one package. Unlike the original single-thickness product, this kit includes multiple sizes to handle different gap requirements. You get 15x15mm copper shims in various heights, allowing precise fitment for M.2 SSDs, GPUs, and other components. The pure copper material provides consistent thermal performance across all thicknesses. This versatility is ideal for builders who need to cool multiple devices with varying thermal clearance needs. You save time by having the right thickness on hand without ordering separately. The kit is best for users who need to address varied gap sizes in a single build. It covers laptops, PS5s, and RAM modules. The 15mm width matches the original, ensuring broad compatibility.

Bopaodao 120mm Flat Copper Heat Pipe

Bopaodao 120mm Flat Copper Heat Pipe is a completely different form factor compared to the small shims. It is a 120mm long, 5.5mm wide, and 2mm thick flat copper pipe. This component is designed for custom passive heat spreading rather than filling small gaps. You can manually extend heat dissipation paths on laptops or GPUs by attaching this pipe to hot spots. The pure copper construction ensures high thermal conductivity. This option is for users who want to customize their cooling layout and add significant heat spreading capability. It is not a drop-in replacement for the original shim. You should choose this if you need to move heat away from a concentrated area to a larger heatsink. It requires more complex installation but offers superior heat transfer for custom builds.

Quick picks

#ProductBest forPrice
1 PATIKIL 15x15x0.3mm Copper Heatsink Shims Best overall filling small gaps on GPUs and CPUs Check price of PATIKIL 15x15x0.3mm Copper Heatsink Shims on Amazon
2 PATIKIL 15x15x0.4mm Copper Heatsink Shims Also great Specific 0.4mm gap filling on GPUs Check price of PATIKIL 15x15x0.4mm Copper Heatsink Shims on Amazon
3 JIUWU 15x15x0.8mm Copper Heatsink Shims Best budget Filling wider thermal gaps on laptops Check price of JIUWU 15x15x0.8mm Copper Heatsink Shims on Amazon
4 Uxcell 20mm Pure Copper Thermal Shim Also great filling 1 mm gaps in laptops Check price of Uxcell 20mm Pure Copper Thermal Shim on Amazon
5 Easycargo 15x15x0.5mm Copper Shims 20-Pack Best thermal tape Quick laptop GPU and VRAM cooling Check price of Easycargo 15x15x0.5mm Copper Shims 20-Pack on Amazon
6 Easycargo 100-Piece 15mm Copper Shim Kit Best ps5 filling varied gaps for M.2 SSDs and GPUs Check price of Easycargo 100-Piece 15mm Copper Shim Kit on Amazon
7 Bopaodao 120mm Flat Copper Heat Pipe Best premium Custom passive heat spreading on laptops Check price of Bopaodao 120mm Flat Copper Heat Pipe on Amazon

Our 7 picks

Best overall

PATIKIL 15x15x0.3mm Copper Heatsink Shims

Best for: filling small gaps on GPUs and CPUs

Material
Copper
Compatible Device
Laptop, Desktop Computer, GPU, CPU
Dimensions
15x15x0.3mm
Mounting Type
Adhesive

View on Amazon: PATIKIL 15x15x0.3mm Copper Heatsink Shims Affiliate link

This is a pack of 12 copper shim pads measuring 15x15x0.3mm. The copper material offers strong thermal conductivity to bridge gaps between chips and heatsinks. You get smooth edges without burrs for better contact. This size fits standard GPU, CPU, and chipset cooling needs. It helps reduce overheating risks by improving heat transfer in tight spaces.

Pros

  • Pure copper construction for high thermal conductivity
  • 15x15x0.3mm dimensions fill small gaps effectively
  • Smooth surface with no burrs on edges
  • Pack includes 12 pieces for multiple applications

Cons

  • Adhesive is not included in the package
  • 0.3mm thickness may be too thin for large gaps
  • Requires manual cleaning with alcohol before use

Good fit if

  • You need to bridge small gaps between components
  • You require high thermal conductivity for chips
  • You are cooling GPUs or CPUs in desktops

Skip if

  • You need pre-applied adhesive for quick installation
  • You require thicker shims for larger gaps
  • You are looking for aluminum alternatives

Verdict: PATIKIL 15x15x0.3mm Copper Heatsink Shim provides reliable heat transfer for tight spaces. You should buy this if you need pure copper pads and can apply your own adhesive.

Also great

PATIKIL 15x15x0.4mm Copper Heatsink Shims

Best for: Specific 0.4mm gap filling on GPUs

Material
Copper
Compatible Device
Laptop, Desktop Computer, GPU, CPU
Dimensions
15x15x0.4mm
Mounting Type
Adhesive

View on Amazon: PATIKIL 15x15x0.4mm Copper Heatsink Shims Affiliate link

This pack of six copper shims measures 15 by 15 by 0.4 millimeters. The pure copper material offers strong thermal conductivity to bridge gaps between chips and cooling modules. You get a smooth surface without burrs for reliable contact. It fits GPUs, CPUs, and laptop components. This option suits users needing a specific 0.4mm thickness for precise thermal management in desktop or laptop builds.

Pros

  • Pure copper construction for high thermal conductivity
  • Precise 15x15x0.4mm dimensions for specific gap filling
  • Smooth surface with no burrs on the edges
  • Includes six shims per package

Cons

  • 0.4mm thickness is thinner than the 0.8mm alternative
  • No adhesive tape included for installation
  • Only six pieces per pack

Good fit if

  • You need a 0.4mm shim thickness for your specific hardware gap
  • You want pure copper for better heat transfer than aluminum
  • You are cooling a GPU or CPU chipset directly

Skip if

  • You require pre-applied adhesive for easier installation
  • You need a thicker shim to fill larger gaps
  • You prefer a larger quantity like 20 or 100 pieces

Verdict: PATIKIL 15x15x0.4mm Copper Heatsink Shims provide a precise 0.4mm copper layer for targeted heat dissipation. This pack is ideal for users who need that exact thickness for GPU or CPU chipsets without bulk.

Best budget

JIUWU 15x15x0.8mm Copper Heatsink Shims

Best for: Filling wider thermal gaps on laptops

Material
High Purity Copper
Compatible Device
Laptop GPU and CPU
Dimensions
15mm x 15mm x 0.8mm
Length
0.59 inches
Width
0.59 inches
Weight
0.32 ounces

View on Amazon: JIUWU 15x15x0.8mm Copper Heatsink Shims Affiliate link

This pack of 20 high purity copper shims measures 15mm by 15mm by 0.8mm. The thicker 0.8mm profile fills larger gaps between your laptop GPU or CPU and the heatsink. You get a substantial amount of material for the price. The pure copper construction ensures efficient heat transfer. This option suits users who need to bridge wider spaces on their cooling components.

Pros

  • 0.8mm thickness fills larger gaps
  • High purity copper material
  • Pack of 20 shims
  • 15mm x 15mm standard size

Cons

  • Thicker than 0.3mm alternatives
  • No pre-applied adhesive
  • Larger footprint than smaller shims

Good fit if

  • You need to fill a gap larger than 0.4mm
  • You are cooling a laptop GPU or CPU
  • You prefer pure copper over aluminum

Skip if

  • You require a very thin 0.3mm shim
  • You want pre-applied adhesive for easy installation
  • You need multiple sizes in one kit

Verdict: JIUWU 0.8mm Copper Heatsink Shims fit users who need to bridge wider gaps on laptop GPUs and CPUs. The thicker profile and pure copper build make it a solid choice for specific thermal clearance issues.

Also great

Uxcell 20mm Pure Copper Thermal Shim

Best for: filling 1 mm gaps in laptops

Material
Pure Copper
Compatible Device
PC, Laptop CPU, GPU
Dimensions
0.79 x 0.79 x 0.04 inches
Mounting Type
Thermal Shim Pad
Length
0.79 inches
Width
0.79 inches

View on Amazon: Uxcell 20mm Pure Copper Thermal Shim Affiliate link

This Uxcell shim is a pure copper thermal pad measuring 20 by 20 by 1.0 mm. It provides a thicker gap filler than the 0.3 mm and 0.4 mm options on this list. The material offers high thermal conductivity to help lower CPU and GPU temperatures. You get five pieces in the package. It is designed for laptops and development boards where extra spacing is needed.

Pros

  • Pure copper material for high thermal conductivity
  • 1.0 mm thickness fills larger gaps effectively
  • 20x20 mm size fits standard board layouts
  • Includes five pieces per package

Cons

  • Thicker profile may not fit tight spaces
  • No adhesive backing listed in specifications
  • Smaller quantity than bulk kit alternatives

Good fit if

  • You need a 1.0 mm gap filler
  • You prefer pure copper over alloy
  • You are cooling a laptop or GPU

Skip if

  • You require pre-applied adhesive tape
  • You need a 15 mm square size
  • You want a 100-piece bulk kit

Verdict: Uxcell 20x20x1.0mm Pure Copper Shim is a solid choice for users who need a thicker, pure copper gap filler for laptops or GPUs. It works best when you have a 1 mm space to fill and do not need adhesive backing.

Best thermal tape

Easycargo 15x15x0.5mm Copper Shims 20-Pack

Best for: Quick laptop GPU and VRAM cooling

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 pack includes 20 copper pad shims sized at 15x15x0.5mm. Each shim comes with pre-applied 3M 8810 thermal conductive adhesive tape. This backing simplifies installation for passive cooling on laptop GPUs, CPUs, and VRAM ICs. The pure copper material helps bridge gaps between heat sources and sinks. You get a complete kit ready for immediate use without needing separate adhesives.

Pros

  • Includes 20 copper shims per pack
  • Pre-applied 3M 8810 thermal adhesive tape
  • Pure copper construction for heat transfer
  • 15x15x0.5mm dimensions for standard gaps

Cons

  • Thicker 0.5mm profile than 0.3mm alternatives
  • Adhesive backing may limit repositioning
  • Fixed size does not allow cutting

Good fit if

  • You need pre-applied adhesive for quick installation
  • You are filling a 0.5mm gap on a laptop GPU
  • You want to cool VRAM ICs or chipsets

Skip if

  • You require ultra-thin 0.3mm shims for tight spaces
  • You prefer to apply your own thermal tape
  • You need custom sizes for irregular gaps

Verdict: Easycargo 15mm Copper Shims with 3M Tape offers a convenient solution for laptop GPU and CPU cooling. The pre-applied 3M 8810 tape saves time during installation. It suits users who prioritize ease of use over minimal thickness.

Best ps5

Easycargo 100-Piece 15mm Copper Shim Kit

Best for: filling varied gaps for M.2 SSDs and GPUs

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

You get 100 pure copper C1100 shims in 12 sizes. The kit covers thicknesses from 0.1mm to 2mm. Each shim measures 15x15mm. This variety helps you fill gaps for M.2 NVMe SSDs, laptop GPUs, and RAM. You can choose versions with or without pre-applied adhesive. The high thermal conductivity of 401W/mK ensures efficient heat transfer.

Pros

  • Includes 100 copper shims for extensive use
  • Offers 12 different thicknesses from 0.1mm to 2mm
  • Uses pure Copper C1100 for 401W/mK conductivity
  • Available with or without pre-applied 3M adhesive

Cons

  • Requires manual cutting to fit non-standard sizes
  • Thickest shim is only 2mm thick
  • Adhesive version is a separate purchase option

Good fit if

  • You need multiple thicknesses for various components
  • You are cooling M.2 NVMe SSDs or laptop GPUs
  • You want to stock up on spare shims

Skip if

  • You require pre-cut custom shapes
  • You need thicknesses greater than 2mm
  • You prefer a single specific size only

Verdict: Easycargo 100pc Copper Shim Kit provides a wide range of thicknesses for precise gap filling. It suits builders who need to cool M.2 SSDs or laptop GPUs with exact fitment.

Best premium

Bopaodao 120mm Flat Copper Heat Pipe

Best for: Custom passive heat spreading on laptops

Material
99% pure copper
Cooling Method
Passive
Compatible Device
Laptop, CPU, GPU, mobile phone
Dimensions
2mm x 5.5mm x 120mm

View on Amazon: Bopaodao 120mm Flat Copper Heat Pipe Affiliate link

This is a passive copper heat pipe designed to spread heat away from hotspots on CPUs, GPUs, or laptop backplates. It measures 120mm long, 5.5mm wide, and 2mm thick. The 99% pure copper material helps disperse chip temperature effectively. You can use it to improve heat dissipation in DIY cooling systems or for mobile devices. It requires thermal paste for proper contact.

Pros

  • Made of 99% pure copper for high thermal conductivity
  • Flat 2mm x 5.5mm profile fits tight spaces
  • 120mm length covers larger heat sources
  • Passive cooling method requires no power

Cons

  • Sold as a single unit, not a multi-pack
  • No included thermal adhesive or mounting hardware
  • Requires manual bending or flattening for custom shapes

Good fit if

  • You need to bridge a gap between a chip and a heatsink
  • You are building a custom passive cooling setup
  • You require a pure copper material for maximum heat spread

Skip if

  • You want pre-applied adhesive for easy installation
  • You need a kit with multiple sizes
  • You prefer a rigid, non-bendable solution

Verdict: Bopaodao 120mm Flat Copper Heat Pipe is a solid choice for users who need to manually extend heat dissipation paths on laptops or GPUs. It fits builders who want to customize their cooling layout with pure copper.

Specifications side by side

Spec PATIKIL 15x15x0.3mm Copper Heatsink Shims PATIKIL 15x15x0.4mm Copper Heatsink Shims JIUWU 15x15x0.8mm Copper Heatsink Shims Uxcell 20mm Pure Copper Thermal Shim Easycargo 15x15x0.5mm Copper Shims 20-Pack Easycargo 100-Piece 15mm Copper Shim Kit Bopaodao 120mm Flat Copper Heat Pipe
Material Copper Copper High Purity Copper Pure Copper Copper Copper C1100 99% pure copper
Cooling Method not stated not stated not stated not stated passive not stated Passive
Compatible Device Laptop, Desktop Computer, GPU, CPU Laptop, Desktop Computer, GPU, CPU Laptop GPU and CPU PC, Laptop CPU, GPU Laptop GPU CPU IC Chips VGA RAM PC, Laptop GPU, CPU, M.2 NVMe SSD Laptop, CPU, GPU, mobile phone
Dimensions 15x15x0.3mm 15x15x0.4mm 15mm x 15mm x 0.8mm 0.79 x 0.79 x 0.04 inches 15x15x0.5mm not stated 2mm x 5.5mm x 120mm
Mounting Type Adhesive Adhesive not stated Thermal Shim Pad Pre applied adhesive tape backing not stated not stated
System Type Desktop Desktop not stated not stated not stated not stated not stated
Features not stated not stated not stated not stated Thermal Tape not stated not stated
Length not stated not stated 0.59 inches 0.79 inches 0.59 inches 0.6 inches not stated
Width not stated not stated 0.59 inches 0.79 inches 0.59 inches 0.6 inches not stated
Weight not stated not stated 0.32 ounces 2.82 ounces not stated not stated not stated
Size 15x15x0.3mm 15x15x0.4mm 15mm x 15mm x 0.8mm not stated 15x15x0.5mm not stated L: 120mm
Model not stated not stated GYA032 a16012800ux0600 NA ES-C100-1515 not stated
Color not stated not stated not stated not stated Copper Tone Copper W: 5.5mm T: 2mm

Frequently asked questions

Can I use copper shims on laptop VRAM chips?

Yes, several listed options support VRAM cooling. The Easycargo 15mm Copper Shims with 3M Tape are compatible with RAM, making them suitable for quick VRAM cooling. The 100-Piece Copper Shim Kit also lists RAM as a compatible device, allowing you to fill varied gaps around memory modules effectively.

Which shim is best for filling a 1 mm gap?

The Uxcell 20mm Pure Copper Thermal Shim is designed for this specific need. It measures 1.0mm in thickness, making it ideal for filling larger 1 mm gaps in laptops or GPUs. It provides a solid pure copper layer when you need more substantial gap filling than thinner options offer.

Do any of these alternatives come with adhesive tape?

Yes, the Easycargo 15mm Copper Shims include pre-applied 3M 8810 thermal tape. This feature saves installation time and ensures secure placement without needing separate adhesives. Other listed shims, like the PATIKIL and JIUWU options, require you to apply your own adhesive or thermal pads during setup.

Are there options larger than 15x15mm?

Yes, the Uxcell 20mm Pure Copper Thermal Shim offers a larger surface area. It measures 20x20mm, providing more coverage than the standard 15x15mm footprint found in most other listed shims. This larger size helps distribute heat across a wider area on GPUs or laptop components.

Can I use these shims for PS5 cooling?

Yes, the Easycargo 100-Piece Copper Shim Kit is compatible with PS5 consoles. It provides a wide range of thicknesses to fill varied gaps for M.2 SSDs and other components inside the PS5. This kit suits builders who need precise fitment for different hardware within the console.

Is there a passive heat pipe option for laptops?

Yes, the Bopaodao 120mm Flat Copper Heat Pipe uses passive cooling. It is made of pure copper and measures 120mm in length with a 5.5mm width. This option allows you to manually extend heat dissipation paths on laptops or GPUs for custom cooling layouts without active fans.

What is the thickest shim available for wider gaps?

The Uxcell 20mm Pure Copper Thermal Shim is the thickest option at 1.0mm. It is designed for users who need to bridge wider thermal gaps on laptops or GPUs. The JIUWU 0.8mm shim is another thicker alternative, suitable for specific thermal clearance issues on laptop components.

See also