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Looking Beyond the Uxcell 5 Pieces Copper Heatsink? 6 Alternatives Worth a Look

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The Uxcell 20mm Pure Copper Thermal Shim offers a 1.0mm thickness for laptops and GPUs. If you are searching for uxcell 5 pieces copper heatsink alternatives, you may need different dimensions or features. This original pad provides pure copper conductivity in a compact 20x20mm form factor. It is designed to fill specific 1.0mm gaps efficiently. However, your project might require a thinner shim or a different size. You might also prefer an adhesive-backed option for easier installation. Some builders need a kit with multiple sizes for various components. Others want to extend heat pipes rather than fill gaps. These alternatives were chosen because their specs overlap with the original product. They cover different thicknesses, sizes, and mounting methods. Each option addresses specific thermal management needs that the standard shim may not meet. You can find options for desktop GPUs, M.2 SSDs, or custom passive cooling systems. The list includes shims with thermal tape and flat heat pipes. This variety ensures you find the right tool for your exact hardware requirements. We compare them strictly by their published specifications to help you decide.

Comparing Alternatives to Uxcell

JIUWU 15x15x0.8mm Copper Heatsink Shims

The JIUWU 15mm Copper Shim offers a 0.8mm thickness, which is thinner than the Uxcell 1.0mm pad. It measures 15x15mm, making it smaller than the Uxcell 20x20mm footprint. This size difference allows it to fit tighter spaces on laptops and GPUs. The weight is significantly lower at 0.32 ounces compared to the Uxcell 2.82 ounces for the pack. You get pure copper conductivity in both cases. Choose this if you need a smaller footprint or a slightly thinner shim for precise gap filling where the Uxcell pad is too bulky.

Easycargo 15x15x0.5mm Copper Shims 20-Pack

The Easycargo 15mm Copper Shim with 3M Tape includes an adhesive backing, which the Uxcell pad lacks. This feature simplifies installation by securing the shim in place without additional glue. The thickness is 0.5mm, which is thinner than the Uxcell 1.0mm option. It shares the same 15x15mm size, offering a more compact profile. Both use pure copper for thermal conductivity. Select this alternative if you prioritize ease of installation and need a thinner pad for smaller gaps, accepting the trade-off of not having a thicker spacer.

Easycargo 100-Piece 15mm Copper Shim Kit

The Easycargo 100-Piece 15mm Copper Shim Kit provides a wide variety of sizes for precise gap filling. Unlike the single 20x20x1.0mm size of the Uxcell pad, this kit includes multiple dimensions for laptops, M.2 SSDs, and VRMs. It uses pure copper material for effective heat transfer. The 15mm size is smaller than the Uxcell 20mm width. This option is ideal if you need multiple shim sizes for different components rather than just one specific thickness. It offers versatility for complex builds where the Uxcell pad is too limited in dimension.

Bopaodao 120mm Flat Copper Heat Pipe

The Bopaodao 120mm Flat Heat Pipe is a heat pipe, not a thermal shim like the Uxcell pad. It measures 120mm in length with a width of 5.5mm and thickness of 2mm. This component is designed for passive cooling and extending heat dissipation to GPU backplates. It uses 99% pure copper for high thermal conductivity. While the Uxcell pad fills small gaps, this heat pipe moves heat away from hotspots. Choose this if you need to extend a cooling path rather than fill a gap between a chip and a heatsink.

Bopaodao 5mm x 90mm Copper Heat Pipe

The Bopaodao 5mm x 90mm Copper Heat Pipe is another heat pipe alternative, not a flat shim. It has a diameter of 5mm and a length of 90mm. This cylindrical shape is used to extend heat dissipation from small chips to larger copper areas. It differs from the Uxcell 20x20mm flat pad by providing a channel for heat transfer rather than filling a static gap. Both use copper for conductivity. Pick this if you need to bridge a distance between a hotspot and a heatsink, as the Uxcell pad cannot perform this active heat movement.

PATIKIL 15x15x0.3mm Copper Heatsink Shims

The PATIKIL 15x15x0.3mm Copper Heatsink Pad is much thinner than the Uxcell 1.0mm shim. It measures 15x15mm, which is smaller than the Uxcell 20x20mm footprint. The 0.3mm thickness makes it suitable for very small gaps on desktop GPUs or CPUs. It uses pure copper for thermal conductivity but requires you to supply your own adhesive. The Uxcell pad is thicker and larger. Select this alternative if you need a minimal profile for tight spaces and are willing to handle the installation adhesive yourself.

Quick picks

#ProductBest forPrice
1 Uxcell 20mm Pure Copper Thermal Shim Best overall filling 1.0mm gaps on laptops and GPUs Check price of Uxcell 20mm Pure Copper Thermal Shim on Amazon
2 JIUWU 15x15x0.8mm Copper Heatsink Shims Best budget Laptop GPU and CPU gap filling Check price of JIUWU 15x15x0.8mm Copper Heatsink Shims on Amazon
3 Easycargo 15x15x0.5mm Copper Shims 20-Pack Best thermal tape Quick gap-filling with adhesive backing Check price of Easycargo 15x15x0.5mm Copper Shims 20-Pack on Amazon
4 Easycargo 100-Piece 15mm Copper Shim Kit Also great Precise gap filling for laptops and SSDs Check price of Easycargo 100-Piece 15mm Copper Shim Kit on Amazon
5 Bopaodao 120mm Flat Copper Heat Pipe Best premium extending heat pipes for GPU backplate cooling Check price of Bopaodao 120mm Flat Copper Heat Pipe on Amazon
6 Bopaodao 5mm x 90mm Copper Heat Pipe Also great Extending heat dissipation from small chips Check price of Bopaodao 5mm x 90mm Copper Heat Pipe on Amazon
7 PATIKIL 15x15x0.3mm Copper Heatsink Shims Best desktop filling small gaps on desktop GPUs and CPUs Check price of PATIKIL 15x15x0.3mm Copper Heatsink Shims on Amazon

Our 7 picks

Best overall

Uxcell 20mm Pure Copper Thermal Shim

Best for: filling 1.0mm gaps on laptops and GPUs

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 is a pure copper thermal shim designed to fill gaps between heat sources and sinks. It measures 20x20x1.0mm and weighs 19g. The material offers high thermal conductivity to lower CPU temperatures. It fits small spaces on laptops, GPUs, and development boards. You get five pieces per package. This kit suits users who need precise gap filling for compact electronics.

Pros

  • Made from pure copper for efficient heat dissipation
  • Compact 20x20x1.0mm size fits small spaces
  • High thermal conductivity helps solve thermal crashes
  • Package includes 5 pieces for multiple devices

Cons

  • Thinner than the 0.8mm shims in other options
  • No 3M adhesive pre-applied for easy mounting
  • Single fixed size limits versatility compared to kits

Good fit if

  • You need to fill a 1.0mm gap on a laptop or GPU
  • You want pure copper for maximum thermal conductivity
  • You are cooling development boards with tight clearance

Skip if

  • You require pre-applied adhesive for quick installation
  • You need a variety of sizes in one kit
  • You are looking for a larger heatsink for high-end CPUs

Verdict: Uxcell 20x20x1.0mm Pure Copper Heatsink provides reliable gap filling for compact laptops and GPUs where pure copper conductivity matters. It fits users who need exact 1.0mm spacers for thermal management.

Best budget

JIUWU 15x15x0.8mm Copper Heatsink Shims

Best for: Laptop GPU and CPU gap filling

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 copper pads measures 15mm by 15mm with a thickness of 0.8mm. The high purity copper material helps transfer heat from laptop GPUs and CPUs. You get a versatile solution for cooling components where standard pads are too thin. The dimensions allow for precise placement on small chips. This option suits users who need extra height to bridge gaps between heat sources and cooling plates.

Pros

  • High purity copper construction for effective heat dissipation
  • 0.8mm thickness provides better gap filling than thinner pads
  • Includes 20 pads for multiple applications
  • Compact 15mm x 15mm size fits most laptop chips

Cons

  • No pre-applied adhesive backing requires separate thermal tape
  • 0.8mm thickness may not fit in very tight spaces
  • Lacks specific thermal conductivity rating in specifications

Good fit if

  • You need thicker pads than standard 0.3mm shims
  • You are cooling laptop GPU or CPU chips
  • You want pure copper for reliable heat transfer

Skip if

  • You require pre-applied adhesive for quick installation
  • You need pads thicker than 1mm
  • You are building a desktop PC with large coolers

Verdict: JIUWU 15mm Copper Shim 0.8mm Thick offers a solid thickness for laptop cooling tasks. It fits users who need to fill larger gaps between chips and heatsinks with pure copper.

Best thermal tape

Easycargo 15x15x0.5mm Copper Shims 20-Pack

Best for: Quick gap-filling with adhesive backing

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 product includes 20 pure copper shims measuring 15x15x0.5mm. It features pre-applied 3M 8810 thermal conductive adhesive tape. This design supports passive cooling for laptop GPUs, CPUs, and VRAM ICs. The copper tone finish aids in heat dissipation. You will find this kit useful for filling gaps between components and heatsinks. It simplifies installation by removing the need for separate thermal paste application.

Pros

  • Includes 20 copper pad shims
  • Pre-applied 3M 8810 thermal tape
  • 15x15x0.5mm dimensions
  • Pure copper material

Cons

  • Thinner 0.5mm profile may limit gap-filling capacity
  • Passive cooling only
  • Fixed adhesive limits repositioning

Good fit if

  • You need to fill small gaps between components
  • You want to avoid messy thermal paste application
  • You are cooling laptop VRAM or chipset ICs

Skip if

  • You require active cooling fans
  • You need shims thicker than 0.5mm
  • You prefer reusable non-adhesive shims

Verdict: Easycargo 15mm Copper Shim with 3M Tape offers a clean, adhesive-backed solution for small gap-filling tasks. It fits users who prioritize ease of installation over adjustable thickness.

Also great

Easycargo 100-Piece 15mm Copper Shim Kit

Best for: Precise gap filling for laptops and 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 includes 100 pure copper C1100 shims in 12 thicknesses. Each pad measures 15mm by 15mm. The material offers 401W/mK thermal conductivity. You get multiple sizes ranging from 0.1mm to 2mm. This set suits you if you need precise gap filling for laptops, GPUs, or M.2 SSDs. It provides a reliable low-profile cooling solution.

Pros

  • Includes 100 pieces in 12 different thicknesses
  • Pure Copper C1100 with 401W/mK conductivity
  • Available with or without pre-applied glue
  • Covers thicknesses from 0.1mm to 2mm

Cons

  • No adhesive included in the base option
  • Requires manual cutting for non-standard sizes
  • Limited to 15mm by 15mm dimensions

Good fit if

  • You need precise gap filling for VRAM or SSDs
  • You require multiple thickness options in one pack
  • You prefer pure copper for high conductivity

Skip if

  • You want pre-glued pads for easy installation
  • You need shims larger than 15mm
  • You require a single thick heatsink block

Verdict: Easycargo 15mm Copper Shim Kit offers a versatile range of pure copper pads for precise thermal management. It fits builders who need exact gap sizes for laptops and M.2 drives.

Best premium

Bopaodao 120mm Flat Copper Heat Pipe

Best for: extending heat pipes for GPU backplate cooling

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 for GPU and CPU backplate cooling. It measures 120mm in length, with a width of 5.5mm and thickness of 2mm. The pipe is made from 99% pure copper to help disperse chip temperature effectively. It works with laptops, mobile phones, and DIY cooling systems. You can use it to improve heat dissipation on your hardware.

Pros

  • Made of 99% pure copper for effective heat dispersion
  • Dimensions of 120mm length, 5.5mm width, and 2mm thickness
  • Passive cooling method suitable for GPUs and CPUs
  • Compatible with laptops, mobile phones, and DIY systems

Cons

  • Passive design requires existing airflow to work
  • Fixed dimensions limit use to specific backplate setups
  • No included thermal interface material mentioned

Good fit if

  • You need to extend a heat pipe for a GPU backplate
  • You are building a custom passive cooling solution
  • You want 99% pure copper for better conductivity

Skip if

  • You need an active fan-based cooling system
  • Your heat sink requires a different pipe diameter
  • You want a complete kit with thermal paste included

Verdict: Bopaodao 120mm Flat Heat Pipe is a solid choice for users who need to extend a copper heat pipe for GPU backplate cooling. It fits those building custom passive systems where 99% pure copper conductivity is required.

Also great

Bopaodao 5mm x 90mm Copper Heat Pipe

Best for: Extending heat dissipation from small chips

Material
Copper, thermal fluid
Cooling Method
Passive
Compatible Device
Laptop, PC, GPU, CPU, VRAM, RAM
Dimensions
5mm x 90mm

View on Amazon: Bopaodao 5mm x 90mm Copper Heat Pipe Affiliate link

This is a passive copper heat pipe designed to move heat away from hot components. It measures 5mm in diameter and 90mm in length. The tube uses thermal fluid inside the copper shell to conduct heat efficiently. You can use it on laptop GPUs, CPUs, or VRAM chips. It helps spread heat from a small source to a larger area without needing a fan.

Pros

  • Pure copper construction for high thermal conductivity
  • Contains thermal fluid for enhanced heat exchange
  • Passive design requires no power or fans
  • Available in multiple diameters and lengths

Cons

  • Fixed 90mm length may not reach distant heatsinks
  • Requires manual bending or flattening for custom fits
  • No pre-applied adhesive for easy installation

Good fit if

  • You need to bridge heat from a chip to a larger surface
  • You are working on a laptop with limited space
  • You want a fanless cooling solution for VRAM or CPU

Skip if

  • You need a rigid, pre-shaped heatsink that needs no modification
  • You require a longer reach than 90mm for your build
  • You prefer a plug-and-play solution with included mounting hardware

Verdict: Bopaodao 5mm x 90mm Copper Heat Pipe is a simple tool for moving heat where standard pads cannot reach. It fits builders who need to extend a cooling path from a small hotspot to a larger copper area on their motherboard or laptop.

Best desktop

PATIKIL 15x15x0.3mm Copper Heatsink Shims

Best for: filling small gaps on desktop 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

You get 12 copper shims sized 15x15x0.3mm for filling gaps between chips and cooling modules. The pure copper material offers strong thermal conductivity to help reduce overheating risks. These pads fit GPUs, CPUs, and chipsets in desktops and laptops. The 0.3mm thickness is ideal for minor spacing adjustments. You must apply adhesive separately to secure them.

Pros

  • Pure copper construction for reliable heat dissipation
  • 15x15x0.3mm dimensions for precise gap filling
  • Includes 12 shims per package
  • Smooth edges without burrs

Cons

  • Adhesive not included for installation
  • 0.3mm thickness limits use for larger gaps
  • No pre-applied backing for quick mounting

Good fit if

  • You need to fill small gaps between a chip and a heatsink
  • You require pure copper thermal conductivity for GPUs or CPUs
  • You are working on desktop or laptop motherboard components

Skip if

  • You need shims thicker than 0.3mm for large spacing issues
  • You want pre-adhesive pads for instant installation
  • You are looking for a complete heatsink assembly rather than shims

Verdict: PATIKIL 15x15x0.3mm Copper Heatsink Pad is a practical solution for users needing to bridge small gaps on desktop GPUs or CPUs. The pure copper material ensures effective heat transfer, provided you supply your own adhesive.

Specifications side by side

Spec Uxcell 20mm Pure Copper Thermal Shim JIUWU 15x15x0.8mm Copper Heatsink Shims Easycargo 15x15x0.5mm Copper Shims 20-Pack Easycargo 100-Piece 15mm Copper Shim Kit Bopaodao 120mm Flat Copper Heat Pipe Bopaodao 5mm x 90mm Copper Heat Pipe PATIKIL 15x15x0.3mm Copper Heatsink Shims
Material Pure Copper High Purity Copper Copper Copper C1100 99% pure copper Copper, thermal fluid Copper
Cooling Method not stated not stated passive not stated Passive Passive not stated
Compatible Device PC, Laptop CPU, GPU Laptop GPU and CPU Laptop GPU CPU IC Chips VGA RAM PC, Laptop GPU, CPU, M.2 NVMe SSD Laptop, CPU, GPU, mobile phone Laptop, PC, GPU, CPU, VRAM, RAM Laptop, Desktop Computer, GPU, CPU
Dimensions 0.79 x 0.79 x 0.04 inches 15mm x 15mm x 0.8mm 15x15x0.5mm not stated 2mm x 5.5mm x 120mm 5mm x 90mm 15x15x0.3mm
Mounting Type Thermal Shim Pad not stated Pre applied adhesive tape backing not stated not stated not stated Adhesive
System Type not stated not stated not stated not stated not stated not stated Desktop
Features not stated not stated Thermal Tape not stated not stated not stated not stated
Length 0.79 inches 0.59 inches 0.59 inches 0.6 inches not stated not stated not stated
Width 0.79 inches 0.59 inches 0.59 inches 0.6 inches not stated not stated not stated
Weight 2.82 ounces 0.32 ounces not stated not stated not stated not stated not stated
Model a16012800ux0600 GYA032 NA ES-C100-1515 not stated not stated not stated
Size not stated 15mm x 15mm x 0.8mm 15x15x0.5mm not stated L: 120mm D: 5mm 15x15x0.3mm
Color not stated not stated Copper Tone Copper W: 5.5mm T: 2mm L: 90mm not stated

Frequently asked questions

What is the thinnest copper shim available for laptops?

The PATIKIL 15x15x0.3mm Copper Heatsink Shims offer the thinnest profile at 0.3mm. This slim design is ideal for filling small gaps on desktop GPUs or CPUs where space is limited. You must supply your own adhesive since these pads do not come with a backing. The pure copper material ensures effective heat transfer for compact cooling tasks.

Which copper shim comes with adhesive already attached?

The Easycargo 15x15x0.5mm Copper Shims 20-Pack includes 3M thermal tape on the back. This adhesive backing provides a clean and easy installation for quick gap-filling tasks. The 0.5mm thickness is suitable for small spaces, and the copper tone finish blends well with internal components. This option prioritizes ease of use over adjustable thickness for your cooling needs.

Are there copper heat pipes for extending GPU cooling?

Yes, the Bopaodao 120mm Flat Copper Heat Pipe is designed for extending heat dissipation. It uses 99% pure copper to move heat effectively for GPU backplate cooling. The flat design measures 5.5mm in width and 2mm in thickness, with a length of 120mm. This passive cooling solution fits users building custom systems that require extended thermal paths.

What is the best option for precise gap filling in M.2 SSDs?

The Easycargo 100-Piece 15mm Copper Shim Kit is ideal for precise gap filling in M.2 SSDs and laptops. It provides a versatile range of pure copper pads to match exact thermal management requirements. The 15x15mm size fits standard components, and the kit includes 100 pieces for multiple installations. This premium option ensures consistent performance across various devices like VRMs and RAM.

Which copper shim is suitable for larger gaps on GPUs?

The JIUWU 15x15x0.8mm Copper Heatsink Shims offer a thicker 0.8mm profile for larger gaps. This size is perfect for filling spaces between chips and heatsinks on laptops and GPUs. The pure copper material provides reliable conductivity, and the 15x15mm footprint fits standard component areas. This budget-friendly option delivers solid thickness for effective thermal management in compact systems.

Can I use copper shims for RAM cooling?

Yes, several options support RAM cooling, including the Easycargo 15mm Copper Shim with Thermal Tape. This 15x15x0.5mm pad features an adhesive backing for easy installation on RAM modules. The pure copper material helps dissipate heat efficiently. Other compatible devices listed include GPUs and laptops, making these shims versatile for various internal component cooling tasks.

See also