Awxlumv 40mm Anodized Aluminum Heatsink vs Awxlumv Copper M.2 2280 Heatsink (2026): Key Differences
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The awxlumv 4pcs anodized aluminium heat vs m 2 heatsink pure copper comparison highlights two distinct cooling solutions. Both are passive heatsinks from Awxlumv designed to manage heat without fans. The primary difference lies in their target application and material. One is a general-purpose aluminum block for chips and motors. The other is a specialized copper fin stack for M.2 SSDs. Understanding these specs helps you pick the right fit.
Key differences
| Aspect | Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack | Awxlumv Copper M.2 2280 Heatsink |
|---|---|---|
| Material | Anodized aluminum | 100% red copper |
| Dimensions | 40 x 40 x 20mm | 70 x 20 x 8mm |
| Compatible Device | IC chip, NEMA17 motors | M.2 2280 SSD |
| Included Accessories | None listed | Thermal pad, rubber bands |
Which one should you choose?
Choose Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack if
- You need to cool stepper motors or general IC chips.
- You require a thicker block for higher surface area.
- You are building a 3D printer or similar device.
Choose Awxlumv Copper M.2 2280 Heatsink if
- You are installing a heatsink on an M.2 NVMe SSD.
- You want higher thermal conductivity from pure copper.
- You need a low-profile solution for PS5 or desktops.
Verdict: Choose the aluminum kit for general electronics or motor cooling where thickness aids heat dissipation. Select the copper M.2 heatsink for SSDs, as its specific dimensions and included thermal pad ensure proper contact. The copper option offers better conductivity for high-speed storage drives.
Material, Size, and Target Use
Core Material
The Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack uses anodized aluminum for its construction. This material is lightweight and offers decent thermal conductivity for general electronics. In contrast, the Awxlumv Copper M.2 2280 Heatsink is made from 100% red copper. Copper has a higher thermal conductivity rating of 397 W/m.K, which allows it to pull heat away from components more efficiently. If your priority is maximum heat transfer speed, the copper construction of the M.2 heatsink provides a clear advantage over the aluminum fins of the 40mm kit.
Target Compatibility
These two products serve entirely different devices. The 40mm heatsink is designed for passive cooling of IC chips, NEMA17 stepper motors on 3D printers, and power devices like bridge rectifiers. It is a versatile option for various electronic components. The M.2 heatsink is specifically engineered for M.2 2280 NVMe SSDs. It fits desktop computers and the PlayStation 5. You cannot use the M.2 heatsink for a stepper motor, nor is the 40mm block ideal for an SSD slot. Choose based on your specific hardware.
Physical Dimensions
Size differences are significant between these two options. The 40mm heatsink measures 40 x 40 x 20mm, providing a broader base for components with larger footprints. It comes in a 4-pack. The M.2 heatsink is much longer and narrower, measuring 70 x 20 x 8mm. Its length matches the 2280 form factor of standard SSDs. The M.2 unit is also thinner at 8mm high, which helps with clearance, though it requires a minimum installation height of 12mm. The 40mm block is taller at 20mm.
Included Accessories
What you get in the box differs notably. The 40mm kit includes four heatsinks but does not include thermal adhesive paste or tape, though you can choose a version with tape. You must source mounting glue separately. The M.2 heatsink comes as a single unit but includes two rubber bands for mounting and one silicone thermal pad. The inclusion of the thermal pad simplifies installation for SSDs, as you do not need to buy it separately. The 40mm kit requires you to provide your own adhesive solution.
Thermal Performance Specs
Specific thermal ratings are only provided for the M.2 heatsink. It is rated for 5W to 10W of power dissipation and claims a cooling effect of 10-30°C, depending on the environment. The 40mm aluminum heatsink lacks specific wattage ratings or temperature drop figures in the provided data. It is described as suitable for passive cooling, but without concrete numbers, you cannot directly compare its efficiency to the copper M.2 unit. The M.2 heatsink offers more quantifiable performance data.
Which Awxlumv Heatsink Suits You
You need to cool stepper motors or ICs
This 40mm anodized aluminum heatsink is designed for passive cooling of electronic IC chips and NEMA17 stepper motors. Its 40x40x20mm dimensions fit standard mounting spots on 3D printers like the Ender 3 or power regulators. You get four units in the package, allowing you to cover multiple components simultaneously without needing separate purchases for each device.
You are cooling an M.2 NVMe SSD
This heatsink is specifically engineered for M.2 2280 SSDs in desktops or PS5 consoles. It uses 100% red copper with a thermal conductivity of 397 W/m.K, which handles the 5W-10W rated power of typical SSDs. The 70x20x8mm size includes a thermal silicone pad and rubber bands for secure installation, aiming for a 10-30°C temperature reduction.
You need high thermal conductivity for dense heat
Copper conducts heat significantly better than aluminum. This 100% red copper heatsink offers a thermal conductivity of 397 W/m.K, making it ideal for high-density heat sources like NVMe drives. The CNC fine workmanship and surface oxidation treatment ensure efficient heat transfer. If your device generates concentrated heat, this material choice provides superior passive cooling performance compared to aluminum alternatives.
You want multiple heatsinks for general electronics
This kit includes four 40mm heatsinks, making it cost-effective for projects requiring multiple cooling points. The anodized aluminum construction is lightweight and durable, suitable for various applications like LED lights or bridge rectifiers. The smooth surface without burrs ensures easy installation. You can distribute these heatsinks across different components in a 3D printer or custom electronics build with ease.
The products compared
Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack
Best for: passive cooling of small ICs and 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 kit includes four 40x40x20mm anodized aluminum heatsinks designed for passive cooling. Each unit weighs 1.45 ounces and features a smooth surface for effective heat dissipation. You can mount these on IC chips, NEMA17 stepper motors, or LED regulators. Thermal adhesive paste is recommended for installation but not included. This set suits projects requiring small, lightweight cooling solutions for electronic components.
Pros
- Made of anodized aluminum for corrosion resistance
- Compact 40x40x20mm dimensions fit tight spaces
- Smooth surface without burrs for better contact
- Includes four units for multiple components
Cons
- Passive cooling only, no fan support
- Thermal paste not included in package
- Smaller surface area than copper alternatives
Good fit if
- You need passive cooling for stepper motors
- You are building a 3D printer enclosure
- You require multiple small heatsinks for ICs
Skip if
- You need active cooling with a fan
- You require high thermal mass for power devices
- You want included thermal adhesive tape
Verdict: Awxlumv 40mm Anodized Aluminum Heatsink is a practical option for cooling small electronic components like stepper motors or ICs in passive setups. It fits well in 3D printers or regulator projects where space is limited.
Awxlumv Copper M.2 2280 Heatsink
Best for: tight clearance M.2 2280 SSD cooling
- Material
- 100% Red copper
- Compatible Device
- M.2 2280 SSD, Desktop PC, PS5
- Dimensions
- 70x20x8 mm
- Mounting Type
- Rubber band
- Features
- Thermal Pad
- Weight
- 1.59 ounces
View on Amazon: Awxlumv Copper M.2 2280 Heatsink Affiliate link
This Awxlumv heatsink uses 100% red copper for high thermal conductivity. It measures 70x20x8 mm and fits M.2 2280 NVMe SSDs in desktop PCs and PS5 consoles. The unit includes a silicone thermal pad and rubber bands for mounting. It is designed for low-profile cases with a minimum clearance of 12 mm. You get effective cooling for drives rated at 5W to 10W.
Pros
- 100% red copper construction for 397 W/m.K thermal conductivity
- Compact 70x20x8 mm size fits tight spaces
- Includes thermal pad and rubber bands for easy installation
- Compatible with M.2 2280 SSDs and PS5
Cons
- Requires 12 mm of clearance height
- Uses rubber bands instead of screws
- Sold as a single unit
Good fit if
- You need a low-profile cooler for a small form factor PC
- You want pure copper for maximum heat transfer
- You are cooling an M.2 SSD in a PS5
Skip if
- You require screw-mounting hardware
- You have less than 12 mm of vertical clearance
- You need a heatsink for larger M.2 formats
Verdict: Awxlumv Pure Copper M.2 2280 Heatsink is a compact, high-conductivity solution for users with tight case clearances who prioritize material quality over mounting hardware.
Specifications side by side
| Spec | Awxlumv 40mm Anodized Aluminum Heatsink 4-Pack | Awxlumv Copper M.2 2280 Heatsink |
|---|---|---|
| Material | Anodized aluminum | 100% Red copper |
| Cooling Method | passive cooling | not stated |
| Compatible Device | IC chip, NEMA17 stepper motors | M.2 2280 SSD, Desktop PC, PS5 |
| Dimensions | 40 x 40 x 20mm | 70x20x8 mm |
| Mounting Type | not stated | Rubber band |
| Features | not stated | Thermal Pad |
| Weight | 1.45 ounces | 1.59 ounces |
| Size | 40*40*20mm | 1Pcs |
| Color | 4Pcs | gold |
| Model | 40x40x20mm Heatsink | M.2-Copper 1Pcs |
Frequently asked questions
Can the Awxlumv 40mm aluminum heatsink cool a PS5 M.2 slot?
No. This heatsink is designed for small ICs and stepper motors, not M.2 drives. Its 40x40x20mm dimensions do not match the 2280 form factor required for SSDs. You should use the copper M.2 2280 heatsink instead for your PlayStation 5 storage cooling needs.
Is the copper M.2 heatsink compatible with standard 2280 SSDs?
Yes. This heatsink is specifically sized for M.2 2280 modules. It measures 2.76 inches in length, which aligns with the standard 80mm length of 2280 drives. It includes a thermal pad to ensure direct contact with the SSD controller and NAND chips for efficient heat transfer.
Which heatsink is better for 3D printer stepper motors?
The 40mm anodized aluminum heatsink is the better choice. It is explicitly listed as suitable for cooling stepper motors and VRMs in 3D printers. The copper M.2 heatsink is too small and shaped for flat SSDs, making it unsuitable for the larger motor components found in printers.
Does the copper M.2 heatsink come with mounting screws?
The provided data does not mention included mounting hardware. It lists the material as copper and notes the inclusion of a thermal pad. You should verify the package contents on the product page to confirm if screws or standoffs are included for your specific motherboard or console.
How much does the aluminum heatsink weigh?
Each aluminum heatsink weighs 1.45 ounces. The listing indicates a 4-pack, so you receive four units of this size. This lightweight design makes it easy to mount on small electronic components without adding significant bulk to your project or device.
What is the thickness of the copper M.2 heatsink?
The copper M.2 heatsink has a height of 0.31 inches. This low profile is ideal for tight clearances inside cases or consoles like the PS5. It ensures the heatsink fits without interfering with adjacent components or the drive slot itself.
Can I use the aluminum heatsink for passive VRM cooling?
Yes. The aluminum heatsink is compatible with VRMs. Its 40x40x20mm size allows it to cover voltage regulator modules on motherboards or power supplies. The anodized aluminum construction provides adequate thermal conductivity for passive cooling in these applications without requiring active airflow.