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Unxuey 9mm Aluminum Heatsink 50-Pack Alternatives: 6 Similar Picks Compared

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The Unxuey 9mm Aluminum Heatsink 50-Pack provides efficient passive cooling for low-power electronics like stepper drives and MOSFETs. If you are searching for unxuey 50pcs 3d printer heatsink alternatives, you might need different dimensions or specific features. This original kit uses a 9 x 9 x 12 mm aluminum alloy block with pre-applied thermal tape. It is ideal for builders who need many small coolers for 3D printer components. However, you may prefer a larger surface area or a different mounting method. Some users might want a heatsink that fits specific VRM modules or GPU backplates better. Others might need a different color to match their build aesthetics.

We selected these alternatives because their specifications overlap with the original product. The list includes options like the Easycargo 9mm pack for similar stepper motor cooling. It also features the Awxlumv 40mm heatsink for larger heat loads. You will find cosmetic covers from Noctua if you prioritize aesthetics over raw thermal performance. Each pick addresses specific needs such as size, material, or intended device. This guide helps you compare bulk packs against single units and passive coolers against aesthetic upgrades. You can choose the best fit for your 3D printer or other electronic projects.

How alternatives compare to Unxuey

Easycargo 9mm Black Aluminum Heatsinks (30-Pack)

The Easycargo 9mm Black Aluminum Heatsink offers a similar 9 x 9 x 12 mm footprint to the Unxuey option, making it a direct swap for stepper drives and MOSFETs. It shares the passive cooling method and aluminum alloy construction. However, it comes in a 30-pack rather than 50, which may suit smaller projects better. It also includes pre-applied thermal conductive tape for easy installation. If you need fewer units or prefer this brand, it serves the same low-power cooling role without requiring different mounting hardware.

Awxlumv 40x40x20mm Aluminum Heatsink

The Awxlumv 40x40x20mm Aluminum Heatsink provides significantly larger surface area with dimensions of 1.57 x 1.57 x 0.79 inches. This makes it suitable for components generating more heat than the tiny 9mm Unxuey sinks. It also uses aluminum material and includes thermal tape for adhesion. You should choose this if your stepper motors or VRMs run hotter and need more passive dissipation. The trade-off is the increased size, which may not fit in tight spaces where the Unxuey 9mm kit fits easily. It is ideal for moderate heat loads.

Noctua Chromax Dual Tower Heatsink Covers

The Noctua Chromax Dual Tower Heatsink Covers are entirely different from the Unxuey heatsinks. They are cosmetic shells for large dual-tower CPU coolers, not small passive sinks for electronics. Their dimensions are massive, measuring 6.5 x 21.5 x 24.5 inches. They do not dissipate heat themselves but change the look of existing coolers. You should pick this only if you own a compatible Noctua cooler and want a black aesthetic upgrade. It offers no cooling performance benefit and is incompatible with 3D printer components or small IC chips.

Noctua Dual-Tower Heatsink Covers, Black

The Noctua Dual-Tower Heatsink Covers are another aesthetic accessory for large CPU coolers, not a cooling solution for small electronics. They measure 2.56 x 8.46 x 9.65 inches and fit specific Noctua models. Unlike the Unxuey 9mm sink, they provide no thermal conductivity or heat dissipation for stepper drives. They are made for visual customization. You should avoid this if you need to cool MOSFETs or VRMs. It is strictly a cosmetic part for enthusiasts who prioritize the look of their tower cooler over functional passive cooling for small boards.

Easycargo 9mm Anodized Heatsink

The Easycargo 9mm Anodized Heatsink matches the Unxuey size at 0.35 x 0.35 x 0.47 inches and uses aluminum for passive cooling. It is designed for the same 3D printer stepper motor drivers. The key difference is the color, which is blue instead of black. It likely includes thermal tape for mounting. If you prefer a blue accent for your printer or driver modules, this is a suitable alternative. It offers the same cooling performance and form factor. The choice depends entirely on your aesthetic preference for the component appearance rather than thermal capability.

Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack

The Awxlumv 40mm Anodized Aluminum Heatsink is a larger 4-pack option with dimensions of 1.57 x 1.57 x 0.79 inches. It provides more surface area than the Unxuey 9mm sink for cooling VRMs or stepper motors. It uses aluminum material and is anodized for durability. You should choose this if you have space for a larger sink and need better passive cooling for moderate heat loads. It comes in a smaller quantity of four units. It is better for components that generate more heat than the tiny Unxuey alternatives can handle effectively.

Quick picks

#ProductBest forPrice
1 Unxuey 9mm Aluminum Heatsink 50-Pack Best overall cooling multiple low-power 3D printer components Check price of Unxuey 9mm Aluminum Heatsink 50-Pack on Amazon
2 Easycargo 9mm Black Aluminum Heatsinks (30-Pack) Also great 3D printer stepper motor passive cooling Check price of Easycargo 9mm Black Aluminum Heatsinks (30-Pack) on Amazon
3 Awxlumv 40x40x20mm Aluminum Heatsink Best budget cooling multiple small electronics like 3D printer motors Check price of Awxlumv 40x40x20mm Aluminum Heatsink on Amazon
4 Noctua Chromax Dual Tower Heatsink Covers Also great Noctua dual tower cooler aesthetic customization Check price of Noctua Chromax Dual Tower Heatsink Covers on Amazon
5 Noctua Dual-Tower Heatsink Covers, Black Best premium customizing Noctua dual-tower cooler aesthetics Check price of Noctua Dual-Tower Heatsink Covers, Black on Amazon
6 Easycargo 9mm Anodized Heatsink Also great 3D printer stepper motor driver cooling Check price of Easycargo 9mm Anodized Heatsink on Amazon
7 Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack cooling VRMs and 3D printer stepper motors Check price of Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack on Amazon

Our 7 picks

Best overall

Unxuey 9mm Aluminum Heatsink 50-Pack

Best for: cooling multiple low-power 3D printer components

Material
Aluminum alloy
Cooling Method
Passive
Compatible Device
Stepper drive, MOSFET, VRM GPU, Vram
Dimensions
9 x 9 x 12 mm
Mounting Type
Pre-applied thermal conductive tape
Color
Black

View on Amazon: Unxuey 9mm Aluminum Heatsink 50-Pack Affiliate link

This pack of 50 black anodized aluminum heatsinks measures 9 x 9 x 12 mm. Each unit uses passive cooling to dissipate heat from stepper drives, MOSFETs, and VRM components. The pre-applied thermal conductive adhesive tape simplifies installation on 3D printer electronics. You get a bulk quantity of small, efficient coolers designed for low-temperature operation in compact spaces.

Pros

  • Aluminum alloy construction for efficient heat dissipation
  • Pre-applied thermal conductive adhesive tape for easy mounting
  • Bulk pack of 50 units for multiple components
  • Compact 9 x 9 x 12 mm dimensions

Cons

  • Passive cooling limits performance under high thermal loads
  • Small surface area restricts use to low-power chips
  • Adhesive backing may not suit all mounting surfaces

Good fit if

  • You need to cool multiple stepper drivers or MOSFETs
  • You require passive cooling for VRM or Vram components
  • You are building or repairing a 3D printer

Skip if

  • You need active cooling with a fan
  • You are cooling high-power CPUs or GPUs
  • You require large heatsinks for high-wattage chips

Verdict: Unxuey 9mm Heatsink 50-Pack offers a practical bulk solution for cooling low-power electronics like stepper drives and MOSFETs in 3D printers. It fits builders who need multiple small, passive coolers with easy adhesive installation.

Also great

Easycargo 9mm Black Aluminum Heatsinks (30-Pack)

Best for: 3D printer stepper motor passive cooling

Material
black aluminum
Cooling Method
passive cooling
Compatible Device
Stepper Motor Module TMC2130 TMC2100
Dimensions
9mm x 9mm x 12mm
Mounting Type
pre-applied adhesive tape
Features
Thermal Tape

View on Amazon: Easycargo 9mm Black Aluminum Heatsinks (30-Pack) Affiliate link

This kit includes 30 black aluminum heatsinks measuring 9mm by 9mm by 12mm. Each unit weighs one gram and features pre-applied 3M 8810 thermal conductive adhesive tape. You can use these for passive cooling stepper motor modules like the TMC2130 or A4988. The compact size fits tight spaces on 3D printers. You get a bulk supply for multiple drivers without needing separate mounting hardware.

Pros

  • Includes 30 black aluminum heatsinks
  • Pre-applied 3M 8810 thermal conductive adhesive tape
  • Compact 9mm x 9mm x 12mm dimensions
  • Lightweight at 1 gram per piece

Cons

  • Smaller 9mm height compared to larger 120mm options
  • Limited to passive cooling only
  • Requires compatible stepper motor modules

Good fit if

  • You need passive cooling for stepper motor drivers
  • You are building a 3D printer with limited space
  • You want pre-applied thermal adhesive for easy installation

Skip if

  • You require active cooling with fans
  • You need heatsinks for high-power CPUs
  • You prefer copper construction over aluminum

Verdict: Easycargo 9mm Black Aluminum Heatsink offers a practical bulk solution for cooling 3D printer stepper motors. It suits builders who need reliable passive cooling for compact driver modules like the TMC2130.

Best budget

Awxlumv 40x40x20mm Aluminum Heatsink

Best for: cooling multiple small electronics like 3D printer motors

Material
Aluminum alloy
Dimensions
1.57 x 1.57 x 0.79 inches
Mounting Type
Thermal Conductive Adhesive Tape
Color
Black
Compatible Device
GPU, VRM, 3D Printer
Weight
3.76 ounces

View on Amazon: Awxlumv 40x40x20mm Aluminum Heatsink Affiliate link

This kit includes four 40x40x20mm aluminum heatsinks with pre-applied thermal adhesive tape. The anodized black finish helps with heat dissipation for components like 3D printer motors, GPU backplates, and power ICs. Each unit measures 1.57 x 1.57 x 0.79 inches. The adhesive backing allows for easy installation without cutting tape. This option suits users needing multiple small coolers for various electronics projects.

Pros

  • Includes four 40mm heatsinks for multiple cooling needs
  • Pre-applied thermal conductive adhesive tape for easy installation
  • Anodized aluminum construction for effective heat dissipation
  • Compact 20mm height fits in tight spaces

Cons

  • Smaller surface area compared to larger 80mm or 120mm heatsinks
  • Fixed adhesive tape limits repositioning after initial placement
  • No fan included for active cooling assistance

Good fit if

  • You need to cool multiple small components like 3D printer motors
  • You prefer passive cooling solutions without adding fans
  • You want pre-applied adhesive for quick and clean installation

Skip if

  • You require active cooling with integrated fans
  • You need to cool high-power CPUs exceeding 40mm heatsink capacity
  • You prefer adjustable or reusable mounting options over adhesive

Verdict: Awxlumv 40mm Aluminum Heatsink is a practical choice for cooling small electronics like 3D printer motors or GPU backplates. You should choose this kit if you need multiple passive coolers with easy adhesive installation for low-to-moderate heat output components.

Also great

Noctua Chromax Dual Tower Heatsink Covers

Best for: Noctua dual tower cooler aesthetic customization

Material
powder-coated aluminium
Compatible Device
Noctua NH-D15, NH-D15S
Dimensions
24.5 x 6.5 x 21.5 inches
Color
Black
Weight
12.3 ounces

View on Amazon: Noctua Chromax Dual Tower Heatsink Covers Affiliate link

This is an aesthetic add-on heatsink cover for Noctua NH-D15 and NH-D15S dual tower coolers. It is made from powder-coated aluminum and includes two covers for both fin stacks. The swappable inlays let you customize colors like red, blue, green, yellow, black, or white. It weighs 12.3 ounces and measures 6.5 inches wide. It suits users who want to match their chromax line fans and anti-vibration pads.

Pros

  • Made from high-quality powder-coated aluminum
  • Includes swappable inlays for color customization
  • Compatible with NH-D15 and NH-D15S dual tower heatsinks
  • Easy installation process

Cons

  • Only fits Noctua dual tower coolers
  • Does not improve cooling performance
  • Requires existing Noctua cooler to use

Good fit if

  • You own a Noctua NH-D15 or NH-D15S cooler
  • You want to match your chromax line fans
  • You prefer customizable aesthetic options

Skip if

  • You have a single tower cooler
  • You use a non-Noctua CPU cooler
  • You need improved thermal performance

Verdict: Noctua chromax Black Swap Heatsink Cover is a cosmetic upgrade for Noctua dual tower coolers. It fits users who prioritize color matching and aesthetic customization over thermal improvements.

Best premium

Noctua Dual-Tower Heatsink Covers, Black

Best for: customizing Noctua dual-tower cooler aesthetics

Material
Powder-coated aluminium
Compatible Device
NH-D15, NH-D15S Series CPU Coolers
Dimensions
9.65 x 2.56 x 8.46 inches
Color
Black
Weight
12.3 ounces

View on Amazon: Noctua Dual-Tower Heatsink Covers, Black Affiliate link

This is an aesthetic add-on heatsink cover for Noctua dual-tower CPU coolers. It is made from powder-coated aluminum and measures 9.65 inches long, 8.46 inches high, and 2.56 inches wide. The unit weighs 12.3 ounces and comes in black. It fits the NH-D15, NH-D15S, and NH-D15S SE-AM4 models. You should use it if you want to match your cooler with the chromax line of fans and anti-vibration pads.

Pros

  • Made from high-quality powder-coated aluminum
  • Compatible with NH-D15 and NH-D15S dual tower heatsinks
  • Includes two covers for both fin-stacks
  • Easy installation process

Cons

  • Only fits specific Noctua dual-tower models
  • Does not cool the CPU on its own
  • Requires existing Noctua cooler to function

Good fit if

  • You own a Noctua NH-D15 or NH-D15S cooler
  • You want a sleek black stealth look for your build
  • You are matching components in the chromax line

Skip if

  • You need a standalone CPU cooler
  • You use a single-tower or different brand cooler
  • You prefer the standard brown and beige aesthetic

Verdict: Noctua NA-HC4 Black Heatsink Cover is a specialized aesthetic upgrade for Noctua dual-tower coolers. It suits users who want to customize their build with a matching black finish rather than those seeking cooling performance.

Also great

Easycargo 9mm Anodized Heatsink

Best for: 3D printer stepper motor driver cooling

Material
Anodized Aluminum
Cooling Method
Passive
Compatible Device
Stepper Motor Driver Module
Dimensions
0.35 x 0.35 x 0.47 inches
Mounting Type
3M 8810 Thermal Adhesive Tape

View on Amazon: Easycargo 9mm Anodized Heatsink Affiliate link

This kit provides 30 anodized aluminum heatsinks sized 9x9x12mm for passive cooling on 3D printer stepper motor drivers. Each unit includes pre-applied 3M 8810 thermal conductive adhesive tape for direct mounting. The compact 9mm profile fits tight spaces on modules like TMC2130 or DRV8825. You get a complete set with adhesive, avoiding separate sourcing. It is designed specifically for electronics cooling rather than CPU applications.

Pros

  • Includes 30 aluminum heatsinks
  • Pre-applied 3M 8810 thermal adhesive
  • Compact 9x9x12mm dimensions
  • Anodized aluminum construction

Cons

  • Small 9mm size limits heat dissipation capacity
  • Not suitable for high-wattage CPU cooling
  • Stepper motor drivers are not included

Good fit if

  • You need passive cooling for 3D printer stepper drivers
  • You want pre-applied adhesive for easy installation
  • You require a bulk pack of 30 units

Skip if

  • You are cooling a main processor
  • You need large surface area for high heat loads
  • You prefer copper over aluminum material

Verdict: Easycargo 9mm Anodized Aluminum Heatsink is a practical bulk solution for cooling 3D printer stepper motor drivers. It fits users who need many small, adhesive-backed units for electronics rather than computer CPUs.

Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack

Best for: cooling VRMs and 3D printer stepper motors

Material
Anodized aluminum
Cooling Method
passive cooling
Compatible Device
IC chip, NEMA17 stepper motors
Dimensions
40 x 40 x 20mm
Weight
1.45 ounces

View on Amazon: Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack Affiliate link

This 40x40x20mm heatsink uses anodized aluminum for passive cooling on VRMs and stepper motors. The 20mm fin height provides surface area for heat dissipation. Each unit weighs 1.45 ounces. It comes in a pack of four. You can choose versions with or without thermal adhesive tape. This kit suits users who need compact, reliable cooling for electronic components.

Pros

  • Anodized aluminum construction resists corrosion
  • 20mm fin height aids passive cooling
  • Compact 40x40mm footprint fits tight spaces
  • Lightweight at 1.45 ounces per unit

Cons

  • Passive cooling only, no fan included
  • Thermal paste not included in package
  • Small surface area limits high-power use

Good fit if

  • You need to cool NEMA17 stepper motors
  • You are upgrading VRM cooling on a motherboard
  • You want a compact passive cooling solution

Skip if

  • You require active fan-based cooling
  • You need to cool high-wattage power devices
  • You prefer heatsinks with pre-applied adhesive

Verdict: Awxlumv 40mm Anodized Aluminum Heatsink provides a sturdy, compact option for low-to-medium heat loads. It fits well on 3D printer motors or standard VRMs where space is limited and airflow is passive.

Specifications side by side

Spec Unxuey 9mm Aluminum Heatsink 50-Pack Easycargo 9mm Black Aluminum Heatsinks (30-Pack) Awxlumv 40x40x20mm Aluminum Heatsink Noctua Chromax Dual Tower Heatsink Covers Noctua Dual-Tower Heatsink Covers, Black Easycargo 9mm Anodized Heatsink Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack
Material Aluminum alloy black aluminum Aluminum alloy powder-coated aluminium Powder-coated aluminium Anodized Aluminum Anodized aluminum
Cooling Method Passive passive cooling not stated not stated not stated Passive passive cooling
Compatible Device Stepper drive, MOSFET, VRM GPU, Vram Stepper Motor Module TMC2130 TMC2100 not stated Noctua NH-D15, NH-D15S NH-D15, NH-D15S Series CPU Coolers Stepper Motor Driver Module IC chip, NEMA17 stepper motors
Dimensions 9 x 9 x 12 mm 9mm x 9mm x 12mm 1.57 x 1.57 x 0.79 inches 24.5 x 6.5 x 21.5 inches 9.65 x 2.56 x 8.46 inches 0.35 x 0.35 x 0.47 inches 40 x 40 x 20mm
Mounting Type Pre-applied thermal conductive tape pre-applied adhesive tape Thermal Conductive Adhesive Tape not stated not stated 3M 8810 Thermal Adhesive Tape not stated
Color Black Black Black Black Black Blue 4Pcs
Features not stated Thermal Tape Thermal Tape not stated not stated not stated not stated
Weight 6.4 ounces 0.74 ounces 3.76 ounces 12.3 ounces 12.3 ounces not stated 1.45 ounces
Size not stated 9mm not stated not stated not stated 9mm 40*40*20mm
Model not stated ES-20B090912-8810 40x40x20 mm NA-HC3 black NA-HC4 black 090912B20-8810 40x40x20mm Heatsink

Frequently asked questions

Are there smaller heatsinks than the 9mm Unxuey option?

The listed alternatives do not include smaller units. The smallest footprint available is the 9mm size, which measures 0.35 by 0.35 inches. Both the Unxuey and Easycargo options share this compact dimension. You should stick with these if your space is extremely tight. Larger options like the 40mm heatsinks will not fit in the same small areas.

Can I use these heatsinks on GPU VRMs?

Yes, several options work for GPU VRMs. The Awxlumv 40x40x20mm heatsink is explicitly listed as compatible with GPU and VRM applications. Its 1.57 by 1.57 inch base provides more surface area than the tiny 9mm units. This makes it better for moderate heat loads where the smaller 9mm sinks might struggle.

Do the heatsinks come with thermal tape?

Some models include adhesive, while others do not list it. The Easycargo 9mm Black Aluminum Heatsinks and the Awxlumv 40x40x20mm kit both feature thermal tape for easy installation. The Unxuey 50-Pack mentions adhesive installation but does not specify the tape type in its specs. You should check the package contents for the specific brand.

Is the Noctua cover a heatsink for cooling?

No, the Noctua Chromax covers are cosmetic only. They are aesthetic upgrades for existing dual tower coolers, not passive heatsinks for components. These covers do not dissipate heat from stepper motors or MOSFETs. They are designed to match the black color of your cooler, providing a visual update rather than thermal performance.

What is the difference between the Easycargo black and blue heatsinks?

The primary difference is the color and anodization. The Easycargo 9mm Black Aluminum Heatsinks feature a black finish and include thermal tape. The Easycargo 9mm Anodized Heatsink is blue and does not list thermal tape in its attributes. Both share the same 0.35 by 0.47 by 0.35 inch dimensions for stepper motor drivers.

How many heatsinks are in the Awxlumv 40mm pack?

The Awxlumv 40x40x20mm Aluminum Heatsink comes in a 40-pack. This bulk option is ideal for cooling multiple small electronics simultaneously. In contrast, the Awxlumv 40mm Anodized Aluminum Heatsink is sold in a 4-pack. Choose the 40-pack if you need to cool many motors, or the 4-pack for smaller projects.

Are the heatsinks made of aluminum or copper?

All listed heatsinks are made of aluminum. The Unxuey, Easycargo, and Awxlumv products are specified as aluminum alloy or anodized aluminum. Copper is not mentioned in any of the product specifications. Aluminum provides a lightweight and cost-effective solution for passive cooling on 3D printer components and VRMs.

Which heatsink is best for heavy heat loads?

The larger 40mm heatsinks are better for higher heat output. The Awxlumv 40x40x20mm unit has a larger surface area than the 9mm options. Its dimensions of 1.57 by 1.57 inches allow for better passive dissipation. The tiny 9mm heatsinks are suited only for low-power components like stepper drivers and MOSFETs.