Haojiaho Copper HeatSink 1.57x1.57x0.24 inches Review (2026): A Spec-Based Look
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This haojiaho copper heatsink 1 57x1 57x0 24 inches review focuses on a passive cooling component designed for small electronic assemblies. The unit measures 40 x 40 x 6 mm and is constructed from pure copper. Copper offers higher thermal conductivity than aluminum, allowing it to absorb and spread heat more efficiently from the source. The block includes a thermal conductive adhesive tape for direct mounting. It is a simple, fanless solution intended to reduce temperatures for CPUs, circuit boards, and IC chipboards without generating any operational noise.
What stands out
- Constructed from 100% pure copper for superior thermal conductivity compared to aluminum alloys.
- Compact dimensions of 40 x 40 x 6 mm fit tight spaces.
- Includes thermal conductive adhesive tape for straightforward, tool-free installation.
- Passive design ensures zero operating noise during use.
Who it fits
Good fit for
You should consider this heatsink if you need to cool low-to-moderate heat output components in a confined space. It suits embedded systems, custom circuit boards, or specific IC chipboards where airflow is restricted or silence is required. The adhesive mounting makes it ideal for projects where drilling holes is not an option. If your device generates manageable heat and you prioritize a quiet, compact, and easy-to-install passive cooling solution, this copper block meets those needs.
Who should skip it
You should look for another option if you are cooling a high-wattage desktop CPU or a powerful GPU. This passive block lacks fins and a fan, limiting its ability to dissipate large amounts of heat quickly. If your component runs hot under load, the 6 mm height and simple base may not provide sufficient surface area. Additionally, the adhesive mount may not be suitable for surfaces that require frequent component removal or vibration resistance. For high-performance computing, active cooling is necessary.
Verdict: This is a practical, passive copper heatsink for low-heat applications requiring silent operation. It works well for simple thermal management on circuit boards and small ICs.
Key specs explained for this heatsink
Material: Pure copper
Pure copper conducts heat faster than aluminum alloys. This means the heatsink absorbs thermal energy from your component quickly. You benefit from stable temperatures during short bursts of high load. When comparing to standard aluminum air coolers, copper offers better initial heat transfer. This makes it ideal for small chips that generate heat rapidly.
Dimensions: 40 x 40 x 6 mm
These are the physical footprint and thickness of the unit. The 40x40 mm base fits standard mounting patterns. The 6 mm height is quite thin compared to tower air coolers. This size suits tight spaces like mini-ITX cases or embedded systems. You need to ensure your component surface is flat for full contact with this small area.
Mounting Type: Adhesive tape
This heatsink uses thermal conductive adhesive tape instead of screws or clips. Installation involves peeling the backing and sticking it directly to the component. This method is permanent and best for static electronics. It lacks the adjustability of fan-based air coolers. You should use it only on components where the position will not change during maintenance.
Compatible Device: CPUs, circuit boards, IC chipboards
The listing specifies these devices as compatible targets. This indicates it is designed for passive cooling of small integrated circuits. It is not a solution for high-power desktop processors that require heavy-duty airflow. You should use it for low-power microcontrollers or voltage regulators. Always verify the thermal output of your specific chip matches the passive cooling capacity.
Build and Physical Design
The Haojiaho heatsink is a solid block of pure copper, measuring 40 by 40 by 6 mm. According to the listing, this material choice prioritizes thermal conductivity over weight savings. Copper transfers heat away from your component faster than aluminum alloys. This makes the unit effective for small, high-density electronics like IC chipboards or precision circuit boards. The flat base ensures direct contact with the heat source, which is critical for passive cooling applications where airflow is limited.
The unit weighs 1.73 ounces, a manageable weight for mounting on delicate boards. It arrives with thermal conductive adhesive tape already attached or included for installation. This mounting method simplifies setup, as you simply peel the protective film and press the heatsink onto the target component. There are no screws or brackets to manage, which reduces the risk of damaging surrounding components. This design suits users who need a compact, low-profile solution without the complexity of mechanical fasteners.
Since this is a passive heatsink, it has no fans or moving parts. This results in zero operating noise, allowing you to work in quiet environments without distraction. The copper finish is natural and untreated, meaning it may oxidize over time. This does not affect performance but is worth noting for aesthetic purposes. The groove design mentioned in the features increases the surface area for heat dissipation into the surrounding air. This layout maximizes efficiency within the small 40x40mm footprint.
Installation and Daily Operation
Setting up this Haojiaho copper heatsink is a straightforward process that relies entirely on its adhesive mounting type. The listing indicates that the unit comes with thermal conductive adhesive tape. You simply peel off the protective film from both sides of the thermal pad before applying it. This method requires no screws, brackets, or additional tools. You place the heatsink directly onto the target component, ensuring full contact between the copper base and the surface. The 40 x 40 x 6 mm footprint is designed for precision equipment, circuit boards, and IC chipboards. It is also listed as suitable for CPUs, provided the surface area matches. Because the mounting is passive, there are no fans to connect or wires to manage. This results in zero operating noise during use. You will not hear any airflow or mechanical hum. The pure copper material efficiently draws heat away from your component and releases it into the surrounding air. This allows for quiet operation without disturbing your concentration. The heatsink does not require any software, apps, or sensors to function. It works purely through physical thermal conductivity. Once installed, it remains in place as long as the adhesive holds. The design eliminates moving parts, which reduces potential points of failure. You get a stable, silent cooling solution that integrates seamlessly into small electronic assemblies. The simplicity of the installation makes it easy to deploy in tight spaces where traditional fans cannot fit.
Before you buy this heatsink
This passive heatsink is a specialized component, not a complete cooling solution. You must pair it with a compatible thermal adhesive tape to secure it to your target surface. The listing notes it fits CPUs, circuit boards, and IC chipboards, but you need to verify the physical footprint of your specific chip matches the 40 x 40 mm base. Since it lacks a fan, it relies entirely on natural convection. This means it suits low-heat components in quiet or confined spaces where airflow is limited. It does not replace large tower air coolers for high-end processors. Use it for targeted spot cooling on voltage regulators or small chips. Keep the copper surface clean before application to ensure optimal thermal transfer. Check your case airflow to ensure heat can dissipate away from the component. This option is best for precision equipment cooling rather than general CPU thermal management in gaming rigs.
Check before you buy
- Verify your component fits the 40 x 40 mm base area
- Confirm you have thermal adhesive tape for secure mounting
- Ensure your case has adequate airflow for passive cooling
- Check if your chip generates enough heat for passive dissipation
The product at a glance
Haojiaho 40x40x6mm Copper Heatsink
Best for: Silent cooling of low-power ICs and boards
- Material
- Pure copper
- Compatible Device
- CPUs, circuit boards, IC chipboards
- Dimensions
- 40 x 40 x 6 mm
- Mounting Type
- Adhesive tape
- Features
- Thermal Tape
- Weight
- 1.73 ounces
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This Haojiaho heatsink is a 40x40x6 mm pure copper block designed for passive cooling. It uses thermal adhesive tape for mounting, making installation straightforward for CPUs, circuit boards, and IC chipboards. The solid copper construction offers higher thermal conductivity than aluminum, helping dissipate heat into the air. Since it has no fan, it operates with zero noise, which suits users who need silent operation for precision equipment.
Pros
- Made of 100% pure copper for efficient heat dissipation
- Includes thermal conductive adhesive tape for easy mounting
- Zero noise operation due to lack of moving parts
- Compact 40x40x6 mm footprint fits small spaces
Cons
- Passive design lacks a fan for active cooling
- Adhesive mounting limits repositioning after application
- Small 6 mm height restricts surface area for heat transfer
Good fit if
- You need silent cooling for low-heat components
- You are mounting on flat surfaces like circuit boards
- You prefer passive heat sinks without fans
Skip if
- You require high airflow for high-TDP CPUs
- You need adjustable fan speeds
- You want to mount on irregular surfaces
Verdict: Haojiaho 40x40x6mm Copper Heatsink fits users cooling low-power ICs or circuit boards who prioritize silence over raw cooling power. It is not suitable for high-performance processors that generate significant heat.
Specifications side by side
| Spec | Haojiaho 40x40x6mm Copper Heatsink |
|---|---|
| Material | Pure copper |
| Compatible Device | CPUs, circuit boards, IC chipboards |
| Dimensions | 40 x 40 x 6 mm |
| Mounting Type | Adhesive tape |
| Features | Thermal Tape |
| Weight | 1.73 ounces |
| Color | Copper |
| Model | 40x40x6mm |
Frequently asked questions
Does this heatsink include a fan for active cooling?
No, this is a passive heatsink. It relies on natural air convection to dissipate heat rather than a powered fan. The product data lists only the copper block and thermal tape as included components. You must rely on existing system airflow or ambient air movement to keep your component cool.
What is the exact weight of this copper heatsink?
The Haojiaho heatsink weighs 1.73 ounces. This weight reflects the density of the pure copper material used in its construction. It is heavier than equivalent aluminum models but provides superior thermal conductivity for your low-power electronic components.
Is thermal paste required for installation?
No, you do not need separate thermal paste. The listing specifies that the unit comes with thermal conductive adhesive tape. You apply this tape directly to the back of the heatsink and then press it onto your target surface to ensure proper heat transfer.
Can this heatsink cool a high-performance desktop CPU?
No, it is not suitable for high-performance processors. The verdict states it is designed for silent cooling of low-power ICs and circuit boards. High-performance CPUs generate significant heat that this small 40x40x6mm block cannot effectively dissipate on its own.
What material is the heatsink made from?
The heatsink is made from pure copper. This material is chosen for its high thermal conductivity compared to aluminum alloys. It absorbs thermal energy from your component quickly, helping to maintain stable temperatures during short bursts of activity.
How do you mount this heatsink to a component?
You mount it using the included thermal adhesive tape. The installation is straightforward: peel the protective film from the tape and press the heatsink firmly onto your target surface. No screws or additional hardware are mentioned in the product specifications.