Newzoll Copper Heatsinks Shim Review (2026): A Spec-Based Look
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This newzoll copper heatsinks shim review covers a pack of four sizes of pure copper pads designed for gap filling. You get 40 pieces total, with each size including ten units. The set includes 15x15mm pads in 1.0mm and 1.5mm thicknesses, plus 20x20mm pads in 0.8mm and 1.5mm thicknesses. These shims use pure copper for high thermal conductivity. They are intended for passive cooling applications. The smooth surface helps ensure proper contact between heat sources and sinks. This product serves as a practical solution for filling voids in various electronic components.
What stands out
- Pure copper material for high thermal conductivity
- Four distinct sizes: 15x15mm and 20x20mm
- Multiple thickness options from 0.8mm to 1.5mm
- Pack of 40 pieces (10 of each size)
Who it fits
Good fit for
You should consider this shim if you are working on DIY Arduino projects or need to fill gaps between graphics cards and thermal modules. It suits technicians repairing electronics who need precise gap filling to improve heat conduction. If you are building a custom passive cooling setup for a notebook, CPU, GPU, RAM, or VGA, these copper pads provide a reliable thermal bridge. The variety of sizes and thicknesses allows you to match specific component requirements without needing multiple separate purchases.
Who should skip it
You should look at another option if you require active cooling solutions. This product is strictly for passive heat dissipation and does not include fans or pumps. It is not suitable for high-power components that generate significant heat without additional airflow. If you need a complete cooler rather than just a thermal interface shim, this pack will not meet your needs. Additionally, if you require a specific warranty or active customer support channel beyond the product listing, this data does not indicate such provisions are available.
Verdict: This pack offers a practical range of copper shims for passive thermal management. It is a solid choice for gap filling in various electronic components.
Key specs explained for this shim
Material: Pure copper
Pure copper offers high thermal conductivity, allowing heat to move quickly from the chip to the heatsink. This material is standard for high-end thermal pads and pastes. You benefit from efficient heat transfer without the need for complex active cooling components. Compare this to aluminum shims, which conduct heat less effectively for the same thickness.
Cooling Method: Passive
Passive cooling relies on natural convection and conduction rather than fans. This shim helps spread heat across a larger surface area. It is ideal for components that do not generate excessive heat or where airflow is limited. When shopping for air coolers, note that this shim supports passive dissipation rather than replacing a fan-based solution.
Compatible Device: Notebook, CPU, GPU, RAM, VGA, IC chip
These shims are designed to fill gaps on various electronic components. You can use them on CPUs and GPUs to bridge the distance between the heat source and the cooler. This versatility makes them useful for notebook repairs or custom PC builds. Check your component dimensions to ensure the shim fits the specific gap you are trying to fill.
4 Sizes Copper Pads
The pack includes 15x15mm and 20x20mm pads in varying thicknesses. This variety allows you to match the shim to the exact gap size of your hardware. Proper fit ensures maximum thermal contact. When buying thermal paste, you do not need to worry about gap filling. These shims serve a different purpose by physically bridging space between components.
Design and Build Quality
The listing specifies these shims are made from pure copper. This material choice ensures high thermal and electrical conductivity. You get a smooth surface with no burrs on the edges. This finish matters for consistent contact with your hardware components. Rough edges could interfere with proper heat transfer or cause physical damage to delicate chips.
You receive forty pieces in total, divided into four distinct sizes. Each size comes with ten units. The dimensions include 15x15mm pads in 1.0mm and 1.5mm thicknesses. You also get 20x20mm pads in 0.8mm and 1.5mm thicknesses. This variety allows you to fill specific gaps between graphics cards, thermal modules, CPUs, GPUs, RAM, VGA cards, and IC chips. The different thicknesses help you adjust the distance between the component and the heatsink precisely.
According to the listing, the total weight of the pack is 4.23 ounces. This lightweight design makes handling easy during installation. The product is intended for passive heat dissipation. You can use these shims for notebook computers or DIY Arduino projects. The build focuses on simple, effective gap filling rather than active cooling. This approach suits users who need to bridge small spaces to improve heat conduction.
Setup And Daily Usage Guide
Setting up these copper shims is a straightforward process that relies on precise placement rather than complex installation. You select the appropriate size from the four options provided to match the gap between your component and the heatsink. The pack includes 15x15mm pads in 1.0mm and 1.5mm thicknesses, along with 20x20mm pads in 0.8mm and 1.5mm variants. Each size comes with ten units, giving you ample material to experiment with the correct fit. The smooth surface with no burrs on the edges ensures consistent contact with your hardware. This finish is critical for effective heat conduction, as any irregularity can reduce thermal efficiency. These shims are designed for passive cooling applications. You can use them to fill gaps between graphics cards and thermal modules, or for the passive heat dissipation of notebook computers, CPUs, GPUs, RAM, VGA cards, and IC chips. The pure copper material provides high thermal and electrical conductivity, allowing heat to move quickly away from the chip. This setup helps improve heat transfer and may reduce repair rates for graphics cards by ensuring better thermal contact. Daily use involves maintaining this gap-filling configuration. Since the product is a passive shim, it does not require power or active fans. You simply ensure the shim remains securely in place to maintain the thermal bridge. The lightweight nature of the pack, weighing only 4.23 ounces, makes it easy to store and handle during your DIY projects. The model number 21FR00040 identifies this specific assortment for reference when ordering replacements or verifying compatibility with your specific electronic components.
Before you buy these shims
You need to verify your gap size carefully before purchasing. These shims fill specific spaces, so measuring the distance between your chip and heatsink is critical. You must ensure the copper pads fit your component type, whether it is a CPU, GPU, or RAM stick. The listing notes they are for passive heat dissipation, so they do not replace active cooling fans. You should also check if your motherboard or graphics card has the necessary clearance for the shim thickness. Since these are pure copper, they conduct electricity, meaning you must place them only where intended to avoid short circuits. You might need thermal adhesive to keep them in place during installation. These shims complement standard thermal paste by bridging uneven surfaces, but they are not a standalone cooling solution. They work best when used alongside high-quality thermal paste and a robust air cooler for optimal heat transfer.
Check before you buy
- Measure the exact gap between your chip and heatsink
- Confirm the component is compatible with passive copper shims
- Ensure you have thermal adhesive for secure placement
- Verify clearance for the shim thickness on your board
- Check that the copper pads do not touch other circuits
The product at a glance
Newzoll Copper Heatsinks Shim, 4 Sizes
Best for: filling gaps in passive cooling setups
- Material
- Pure copper
- Cooling Method
- Passive
- Compatible Device
- Laptop, CPU, GPU, RAM, VGA, IC chip
- Dimensions
- 15 x 15mm, 20 x 20mm
- Weight
- 4.23 ounces
View on Amazon: Newzoll Copper Heatsinks Shim, 4 Sizes Affiliate link
This pack includes 40 pure copper shims in four sizes: 15x15mm and 20x20mm, with thicknesses of 0.8mm, 1.0mm, and 1.5mm. You use these pads to fill gaps between components like CPUs, GPUs, and RAM and their heatsinks. The smooth surface ensures direct contact for passive heat dissipation. It suits builders who need to bridge small spaces on notebooks or desktop parts to improve thermal transfer.
Pros
- Made of pure copper for high thermal conductivity
- Includes four distinct sizes for various gap widths
- Smooth surface with no burrs on the edges
- Pack contains 40 pieces for multiple projects
Cons
- Passive cooling only, no active fans included
- Requires manual cutting or selection to fit specific gaps
- Not a complete cooling solution for high-TDP CPUs
Good fit if
- You need to fill small gaps between a chip and a heatsink
- You are working on passive cooling for a GPU or RAM
- You require pure copper for better heat conduction
Skip if
- You need an active cooler with fans for a main CPU
- You are looking for a pre-applied thermal pad solution
- You want a single large heatsink for a desktop processor
Verdict: Newzoll Copper Heatsink Shim 40-Pack is a practical set of copper pads for filling gaps in passive cooling setups. It fits users who need to bridge small spaces between chips and heatsinks on GPUs, RAM, or notebooks.
Specifications side by side
| Spec | Newzoll Copper Heatsinks Shim, 4 Sizes |
|---|---|
| Material | Pure copper |
| Cooling Method | Passive |
| Compatible Device | Laptop, CPU, GPU, RAM, VGA, IC chip |
| Dimensions | 15 x 15mm, 20 x 20mm |
| Weight | 4.23 ounces |
| Model | 21FR00040 |
Frequently asked questions
What sizes are included in the Newzoll Copper Heatsinks Shim pack?
The pack contains four distinct sizes to handle various gap dimensions. You receive ten units of each size for a total of forty pieces. The specific dimensions include 15x15mm pads and 20x20mm pads. Thickness options are available at 1.0mm and 1.5mm. This variety allows you to bridge small spaces effectively.
Is the Newzoll shim made of pure copper?
Yes, the listing specifies these shims are made from pure copper. This material choice ensures high thermal conductivity for efficient heat transfer. Pure copper also provides electrical conductivity, which is important for components near sensitive electronics. The smooth surface finish helps maintain consistent contact with your hardware.
What is the total weight of the Newzoll Copper Heatsinks Shim set?
The total weight of the product is 4.23 ounces. This lightweight packaging makes it easy to handle during installation. You can carry the set without adding significant bulk to your toolkit. The weight reflects the density of the copper material used in the pads.
Who is the Newzoll Copper Heatsink Shim best for?
This product is best for users who need to fill gaps in passive cooling setups. It fits those who must bridge small spaces between chips and heatsinks. You can use it for GPUs, RAM modules, or notebook components. It is ideal for precise gap filling rather than general thermal management.
How do I install the Newzoll copper shims?
Installation relies on precise placement rather than complex procedures. You select the appropriate size from the four options to match the gap between your component and heatsink. Ensure the surface is clean before applying the shim. The smooth edges allow for easy positioning without burrs interfering with contact.
What is the model number for this Newzoll product?
The model number for this specific set is 21FR00040. You can use this identifier to verify the exact product listing. It helps distinguish this 40-pack from other Newzoll thermal accessories. Keeping this number handy ensures you purchase the correct version with the four size options.
Can I use these shims on RAM modules?
Yes, the product description lists RAM as a compatible component. You can use the shims to bridge gaps between RAM chips and their heatsinks. The pure copper material helps dissipate heat efficiently. Ensure you choose the correct thickness to fit the specific gap on your memory modules.