6 Best Alternatives to the Awxlumv 4PCS 50mm Aluminum Heatsink (2026)
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The Awxlumv 4PCS 50mm Aluminum Heatsink offers reliable passive cooling for discrete components like GPUs and chipsets. You get four anodized aluminum blocks with 14 fins each, measuring 50x50x20mm. This kit is practical for small electronics where space is tight. However, you might need awxlumv 4pcs 50mm aluminum heatsink alternatives if your project requires a larger surface area or a different mounting method. Some builds need thicker bases for higher heat loads, while others require pre-applied tape for faster installation. You may also want a single large sink instead of multiple small ones to simplify your thermal management strategy.
We selected these alternatives because their specifications overlap with the original product’s core requirements. The list includes options with varying dimensions, from compact 25mm blocks to expansive 150mm plates. Each item provides passive aluminum dissipation suitable for similar applications like MOSFETs, VRMs, or stepper motors. You can choose based on the specific footprint your design allows. If you need more fins for greater surface area, larger models are available. If you prefer easy adhesion, some options include thermal tape. This guide helps you find the right fit for your exact thermal needs.
Our top pick: Awxlumv 50x50x20mm Aluminum Heatsink 4-Pack.
How these alternatives compare
Awxlumv 100x69mm Aluminum Heatsink
This Awxlumv heatsink is significantly larger, measuring 100 by 69 by 36mm. You get a thicker 4.6mm base and 27 tall fins for better heat dissipation. It is heavier at 9.14 ounces compared to the original 15 ounces for four units. This single block suits high-power components needing broad passive cooling. You trade the four-pack convenience for superior individual thermal capacity. Pick this if you need to cool discrete high-wattage parts rather than multiple small chips.
Awxlumv 100x100x18mm Aluminum Heatsink
The 100 by 100 by 18mm model offers a wider footprint for large passive cooling tasks. It features a 0.71-inch height, which is slightly thinner than the original 0.79-inch profile. This design fits MOSFETs and ICs requiring extensive surface area. You sacrifice the multi-pack quantity for a single, broad cooling plate. It is ideal for builders supplying their own mounting hardware and thermal interface. Choose this alternative when you need to cover larger power components with a single efficient aluminum block.
Awxlumv 150mm Large Aluminum Heatsink
This large heatsink provides substantial passive cooling through 294 dense fins and a 310-gram aluminum body. It measures 150 by 93mm, offering a much larger surface area than the 50mm original. The black finish distinguishes it from the standard silver anodized look. You get one heavy unit instead of four light ones. It suits layouts accommodating its large footprint. Select this premium option for broad thermal management on large electronic components where space permits a significant heat sink.
Awxlumv 25mm Small Aluminum Heatsink 6-Pack
These 25 by 25 by 10mm heatsinks are much smaller than the 50mm originals. You get six units in the pack, offering multi-point thermal dissipation. The pre-applied tape simplifies installation across small electronics. Each unit weighs only 1.27 ounces for the pack. This is practical for compact spaces where larger plates cannot fit. You trade raw cooling capacity for quantity and ease of deployment. Pick this for cooling small ICs and compact components where the original 50mm blocks are too bulky.
Awxlumv 40x40x20mm Aluminum Heatsink
The 40 by 40 by 20mm heatsink with tape is tailored for small VRMs and 3D printer motors. It includes pre-applied thermal tape for easy installation. The dimensions are slightly narrower than the original 50mm block but share the same 20mm height. You get a single unit with convenient mounting features. This suits users valuing quick deployment on tight spaces. Choose this alternative for cooling small electronics like VRMs where the original lacks integrated adhesive for immediate attachment.
Awxlumv 4PCS 40mm Aluminum Heatsink
This 4-pack of 40mm heatsinks targets NEMA17 stepper motor cooling specifically. It includes pre-applied thermal tape for direct attachment. The 40mm footprint is smaller than the original 50mm size, fitting tighter spaces. You get four units with integrated adhesive, unlike the bare metal original. The weight is 5.29 ounces for the pack. This is a practical choice for 3D printer builders needing compact passive cooling. Select this if you need tailored solutions for stepper motors rather than general-purpose chip cooling.
Quick picks
Our 7 picks
Awxlumv 50x50x20mm Aluminum Heatsink 4-Pack
Best for: passive cooling on small electronics and motors
- Material
- 6063-T5 aluminum anodized
- Cooling Method
- Passive
- Compatible Device
- GPU, CPU, LED Chipset, Router
- Dimensions
- 50mm x 50mm x 20mm
View on Amazon: Awxlumv 50x50x20mm Aluminum Heatsink 4-Pack Affiliate link
This package provides four passive coolers designed for cooling electronics such as GPUs, voltage regulators, and stepper motors. Each anodized 6063-T5 aluminum heatsink measures 50 by 50 millimeters with a 20 millimeter height and weighs 61 grams. With 14 vertical fins and a thick, flat base plate, these units suit you if you need compact, passive thermal dissipation across multiple small components without moving parts.
Pros
- Includes 4 anodized 6063-T5 aluminum heatsinks
- Constructed with 14 cooling fins per heatsink
- Square 50 mm by 50 mm footprint with 20 mm height
- Weighs 61 grams with a flat base plate
Cons
- Thermal adhesive tape or paste is not included
- Fixed 20 mm height requires vertical clearance
Good fit if
- You need square 50 mm cooling for components like stepper motors or MOSFETs.
- You require multiple passive aluminum heatsinks in one set.
Skip if
- You need pre-applied thermal adhesive included in the box.
- You require active fan-assisted cooling for high-wattage components.
Verdict: Awxlumv 50mm Aluminum Heatsink 4-Pack delivers dependable passive thermal dissipation with its 14-fin anodized aluminum design. It is a practical choice when you need individual cooling blocks for discrete electronic components.
Awxlumv 100x69mm Aluminum Heatsink
Best for: cooling individual high-power electronic components
- Material
- anodized aluminum
- Compatible Device
- computer, GPU, Power Transistor, IC
- Dimensions
- 100 x 69 x 36mm
- Weight
- 9.14 ounces
View on Amazon: Awxlumv 100x69mm Aluminum Heatsink Affiliate link
This Awxlumv large aluminum heat sink measures 100 x 69 x 36mm and provides a single passive cooling block for your hardware. It features a 4.6mm base plate and 27 cooling fins that stand 31.4mm high to disperse thermal loads. It suits your build if you need a solid aluminum cooling block for components like GPUs, power transistors, voltage regulators, or amplifiers requiring wider surface coverage than standard smaller heatsinks.
Pros
- Features 27 cooling fins with a height of 31.4mm
- Substantial 4.6mm thick aluminum base plate
- Wide 100mm by 69mm surface footprint
- Constructed from anodized aluminum
Cons
- Includes only one heatsink per package
- Does not include thermal tape or mounting hardware
- Tall 36mm profile limits use in low-clearance spaces
Good fit if
- You need a single wide 100 x 69mm heatsink for high-power electronics or GPUs.
- You have at least 36mm of vertical clearance in your enclosure.
- You plan to supply your own thermal adhesive or mounting solution.
Skip if
- You need a multi-pack of smaller heatsinks for several discrete chips.
- You require pre-applied thermal adhesive tape in the box.
Verdict: Awxlumv 100mm Large Aluminum Heat Sink delivers a thick 4.6mm base and 27 tall cooling fins for individual components needing broad passive heat dissipation.
Awxlumv 100x100x18mm Aluminum Heatsink
Best for: large passive cooling for MOSFETs and ICs
- Material
- Aluminum
- Cooling Method
- Passive
- Compatible Device
- MOSFET, IC, GPU, LED, PCB, Router
- Dimensions
- 100x100x18mm
View on Amazon: Awxlumv 100x100x18mm Aluminum Heatsink Affiliate link
This passive aluminum heatsink measures 100x100x18mm with 16 fins. It uses pure aluminum for rapid heat transfer and features a silver anodized finish for corrosion resistance. You can mount it on ICs, MOSFETs, LEDs, or power amplifiers. The unit weighs very little due to its material. It does not include screws or thermal adhesive tape, so you must supply your own mounting hardware and thermal interface material.
Pros
- 100x100x18mm dimensions provide a large surface area
- 16 fins increase passive cooling efficiency
- Anodized silver finish resists corrosion
- Pure aluminum construction ensures rapid heat transfer
Cons
- Passive cooling only, no fan included
- No screws or thermal adhesive tape included
- Single unit per package
Good fit if
- You need a large passive cooler for MOSFETs
- You are working with ICs or power amplifiers
- You want lightweight aluminum construction
Skip if
- You require active fan cooling
- You need pre-applied thermal adhesive
- You want a multi-pack of small heatsinks
Verdict: Awxlumv 100x100x18mm Aluminum Heatsink suits builders needing a large passive sink for power components. It fits those who can supply their own mounting hardware and thermal interface.
Awxlumv 150mm Large Aluminum Heatsink
Best for: broad passive cooling on large electronic components
- Material
- Aluminium
- Cooling Method
- passive cooling
- Dimensions
- 150 x 93 x 15mm
- Color
- Black
- Compatible Device
- GPU
- Weight
- 10.9 ounces
View on Amazon: Awxlumv 150mm Large Aluminum Heatsink Affiliate link
This Awxlumv heatsink is a large passive aluminum cooling plate built for hardware like GPUs, power amplifiers, and voltage regulators. It measures 150 by 93 by 15 millimeters and weighs 310 grams, using a 4.3-millimeter solid base topped with 294 cooling fins. If you need wide passive surface area for broad components without motorized airflow or multi-piece sets, this single-piece module offers substantial thermal coverage.
Pros
- Large 150 x 93 x 15 mm footprint provides expansive surface coverage
- 294 integrated aluminum fins maximize passive heat dissipation
- Thick 4.3 mm aluminum base plate ensures structural rigidity
- Heavy 310 g mass acts as a solid thermal buffer
Cons
- No thermal adhesive or mounting hardware included in the package
- Single large plate cannot be separated for small isolated chips
- 15 mm profile may be too tall for ultra-slim enclosures
Good fit if
- You need a single wide heatsink plate covering broad circuit areas or multiple hot components.
- You want silent passive cooling without relying on a dedicated fan.
Skip if
- You require pre-applied thermal adhesive tape or mounting accessories in the package.
- You need multiple small, separate heatsinks for dispersed circuit boards.
Verdict: Awxlumv 150mm Passive Aluminum Heatsink delivers substantial passive cooling capacity through 294 dense fins and a thick 310-gram aluminum body. It is an effective thermal solution if your layout accommodates its 150 by 93 millimeter footprint and you supply your own thermal interface.
Awxlumv 25mm Small Aluminum Heatsink 6-Pack
Best for: cooling small ICs and compact electronics
- Material
- anodized aluminum
- Cooling Method
- passive cooling
- Compatible Device
- ASUS ROG Ally
- Dimensions
- 25 x 25 x 10mm
- Mounting Type
- Pre-applied thermal conductive tape
- Color
- Black
View on Amazon: Awxlumv 25mm Small Aluminum Heatsink 6-Pack Affiliate link
This set gives you six anodized aluminum heatsinks measuring 25 by 25 by 10 millimeters each. Each block weighs 5.7 grams and features an 8 by 8 pin-fin grid designed for passive cooling. Pre-applied thermal conductive tape allows direct adhesion without extra paste or brackets. It suits you if you need to cool smaller components like power ICs, motor drivers, or handheld chipset areas rather than a full-size 50-millimeter processor mount.
Pros
- Includes six 25 x 25 x 10 mm anodized aluminum heatsinks
- Pre-applied thermal conductive adhesive tape simplifies mounting
- 8 x 8 pin-fin layout maximizes surface area in tight spaces
- Lightweight design at 5.7 grams per piece
Cons
- Footprint is significantly smaller than 50 mm alternatives
- Adhesive mount cannot be mechanically tensioned with screws or clips
Good fit if
- You need multiple compact heatsinks for distributed hot spots like power ICs or stepper drivers.
- You want tool-free mounting with pre-installed thermal adhesive.
- You have tight enclosures requiring a low 10 mm profile height.
Skip if
- You need a single continuous 50 mm surface to cover larger components.
- You require mechanical mounting hardware instead of tape.
Verdict: Awxlumv 25mm Pre-Taped Aluminum Heatsinks 6-Pack delivers multi-point thermal dissipation across small electronics where larger plates cannot fit. Its pre-applied tape makes deployment fast across multiple individual components.
Awxlumv 40x40x20mm Aluminum Heatsink
Best for: cooling small VRMs and 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 aids in heat dissipation for components like GPUs, VRMs, and 3D printer motors. Each unit measures 1.57 x 1.57 x 0.79 inches. The adhesive backing allows for quick installation without cutting. You get a reliable passive cooling solution for small electronic devices and power ICs.
Pros
- Includes four 40x40x20mm aluminum heatsinks
- Pre-applied thermal conductive adhesive tape
- Anodized black finish for durability
- Suitable for GPUs, VRMs, and 3D printers
Cons
- Smaller 40mm footprint limits heat dissipation capacity
- Adhesive tape may leave residue upon removal
- Passive design requires adequate airflow
Good fit if
- You need to cool small components like VRMs or 3D printer motors
- You want a quick installation without cutting tape
- You have space for a 40x40mm heatsink
Skip if
- You require active cooling with a fan
- You need a larger surface area for high-power devices
- You prefer screw-mount installation over adhesive
Verdict: Awxlumv 40mm Aluminum Heatsink with Tape is a practical solution for cooling small electronics like VRMs and 3D printer motors where space is limited. It suits users who value easy installation via pre-applied tape.
Awxlumv 4PCS 40mm Aluminum Heatsink
Best for: NEMA17 3D printer stepper motor cooling
- Material
- Extruded Anodized Aluminum 6063-T5
- Compatible Device
- VRM, GPU, Stepper Driver, 3D Printer
- Dimensions
- 40 x 40 x 20mm
- Mounting Type
- Thermal Conductive Adhesive Tape
- Weight
- 5.29 ounces
View on Amazon: Awxlumv 4PCS 40mm Aluminum Heatsink Affiliate link
This kit includes four 40x40x20mm extruded 6063-T5 aluminum heatsinks. Each unit features pre-applied thermal conductive adhesive tape for tool-free mounting without clips or paste. The 40mm square footprint matches NEMA17 stepper motors, PC chipsets, and VRM components. You get compact passive cooling designed directly for smaller electronic components and 3D printer motor setups needing drop-in thermal dissipation.
Pros
- 40x40x20mm dimensions match NEMA17 stepper motor profiles
- Extruded 6063-T5 anodized aluminum construction
- Pre-applied thermal conductive adhesive tape backing
- Four heatsinks included per package
Cons
- Smaller 40mm footprint than 50mm alternatives
- Uses adhesive tape rather than mechanical clip mounts
- No integrated fan mounting brackets
Good fit if
- You need passive heatsinks sized for NEMA17 3D printer motors.
- You want tool-free mounting via pre-applied thermal tape.
- You need multiple 40mm coolers for VRMs or chipsets.
Skip if
- You need 50mm or larger surface area contact.
- You require mechanical bolt-through mounting hardware.
Verdict: Awxlumv 4PCS 40mm Aluminum Heatsink delivers compact passive cooling with pre-applied thermal tape tailored for NEMA17 motors and small components.
Specifications side by side
| Spec | Awxlumv 50x50x20mm Aluminum Heatsink 4-Pack | Awxlumv 100x69mm Aluminum Heatsink | Awxlumv 100x100x18mm Aluminum Heatsink | Awxlumv 150mm Large Aluminum Heatsink | Awxlumv 25mm Small Aluminum Heatsink 6-Pack | Awxlumv 40x40x20mm Aluminum Heatsink | Awxlumv 4PCS 40mm Aluminum Heatsink |
|---|---|---|---|---|---|---|---|
| Material | 6063-T5 aluminum anodized | anodized aluminum | Aluminum | Aluminium | anodized aluminum | Aluminum alloy | Extruded Anodized Aluminum 6063-T5 |
| Cooling Method | Passive | not stated | Passive | passive cooling | passive cooling | not stated | not stated |
| Compatible Device | GPU, CPU, LED Chipset, Router | computer, GPU, Power Transistor, IC | MOSFET, IC, GPU, LED, PCB, Router | not stated | ASUS ROG Ally | not stated | VRM, GPU, Stepper Driver, 3D Printer |
| Dimensions | 50mm x 50mm x 20mm | 100 x 69 x 36mm | 100x100x18mm | 150 x 93 x 15mm | 25 x 25 x 10mm | 1.57 x 1.57 x 0.79 inches | 40 x 40 x 20mm |
| Mounting Type | not stated | not stated | not stated | not stated | Pre-applied thermal conductive tape | Thermal Conductive Adhesive Tape | Thermal Conductive Adhesive Tape |
| Color | not stated | Silver | 100*100*18 | Black | Black | Black | not stated |
| Features | not stated | not stated | not stated | not stated | not stated | Thermal Tape | Thermal Tape |
| Weight | not stated | 9.14 ounces | not stated | 10.9 ounces | 1.27 ounces | 3.76 ounces | 5.29 ounces |
| Size | 4 Pcs | 100x69x36mm | not stated | 1 Pcs | 25 x25 x10 | not stated | not stated |
| Model | 20-40mm | 100x69x36 mm | 100x100x18mm | 1Pcs | 25x25x10 mm | 40x40x20 mm | 40mm Heatsink |
If you cool a dedicated water pump instead, you can compare barrow d5 pump heatsink top alternatives by dimensions.
Frequently asked questions
Are these heatsinks compatible with NEMA17 stepper motors?
Yes, the Awxlumv 4PCS 40mm Aluminum Heatsink is tailored for NEMA17 motors. It features pre-applied thermal tape for easy installation on 3D printer components. The compact 40mm size fits well in tight spaces around stepper motors. Other options like the 40mm with tape also support VRMs and small electronics effectively.
What is the largest passive heatsink option available?
The Awxlumv 150mm Large Aluminum Heatsink offers the largest footprint. It measures 150 by 93 millimeters with a thick 310-gram aluminum body. This unit includes 294 dense fins for substantial passive cooling capacity. It is ideal for large electronic components where space allows for a broad heat dissipation surface.
Do any of these heatsinks come with pre-applied adhesive?
Several models include pre-applied thermal tape for quick deployment. The Awxlumv 25mm Small Aluminum Heatsink 6-Pack and the 40mm Aluminum Heatsink with Tape both feature this convenience. This design simplifies installation on small ICs, VRMs, and 3D printer motors without requiring separate thermal interface materials.
Which heatsink is best for cooling MOSFETs and ICs?
The Awxlumv 100x100x18mm Aluminum Heatsink is designed for large passive cooling needs. It suits builders who need to cool power components like MOSFETs and ICs. This option provides a broad surface area for heat dissipation. You must supply your own mounting hardware and thermal interface for proper installation.
How do the fin counts compare across different sizes?
Fin density varies by model to match specific cooling needs. The 50mm heatsink has 14 fins per unit. The larger 100mm model features 27 tall cooling fins. The 150mm premium option includes 294 dense fins for maximum passive dissipation. More fins generally indicate greater surface area for heat transfer.
Is there a multi-pack option for small components?
Yes, the Awxlumv 25mm Small Aluminum Heatsink comes in a 6-pack. This option delivers multi-point thermal dissipation across small electronics where larger plates cannot fit. It is practical for cooling multiple discrete components simultaneously. The pre-taped design allows for fast deployment across various small circuit boards.
What material are these Awxlumv heatsinks made from?
All listed heatsinks are constructed from aluminum. The 50mm kit uses anodized aluminum for durability and heat transfer. Other models, including the 100mm and 150mm variants, also utilize aluminum bodies. This material choice provides reliable passive thermal dissipation for GPUs, VRMs, and other electronic components.