Bopaodao 5mm x 90mm Copper Review (2026): A Spec-Based Look
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This bopaodao GPU CPU backplate copper review covers a passive heat pipe designed for direct contact cooling. The listing specifies a 5mm diameter and a 90mm length. It uses copper material filled with thermal fluid to move heat away from components. The design relies on natural convection, meaning it has no fan. You mount the smooth end against the heat source and let the rest dissipate heat into the airflow. This simple construction targets laptops and desktop GPUs where space is tight. It is a basic thermal transfer rod rather than a complex cooling tower.
What stands out
- Constructed from copper with internal thermal fluid for high conductivity.
- Passive cooling design requires no power or fan connections.
- Available in multiple diameters from 4mm to 50mm.
- Lengths range from 50mm to 520mm for flexible mounting.
Who it fits
Good fit for
You should consider this pipe if you need a simple thermal bridge for a laptop chipset or a GPU VRAM module. The passive nature makes it ideal for silent builds where fans are not desired. It suits users who can provide adequate case airflow to carry heat away from the exposed copper. The bendable nature allows you to route heat to a better location. It is a practical solution for small, localized hot spots on circuit boards.
Who should skip it
Skip this item if you need active cooling for a high-wattage CPU. This pipe lacks a fan, so it cannot move air on its own. It will not work well in a sealed case with poor ventilation. If you are looking for a complete cooler with a fan and heatsink base, this is not the right choice. It is only a transfer tube, not a standalone cooling solution. You must integrate it into an existing airflow path.
Verdict: This is a basic copper thermal pipe for moving heat from a small component to a cooler area. It fits specific passive cooling needs but offers no active airflow.
Key specs explained
Material: Copper, thermal fluid
This heat pipe uses copper as the outer shell and an internal thermal fluid. The fluid allows heat to move rapidly through phase change, which is faster than solid conduction alone. This combination ensures efficient heat transfer from hot components to the rest of the pipe. You benefit from reliable thermal performance without active fans. Compare this to solid copper heat pipes in air coolers, which rely solely on metal conductivity.
Dimensions: 5mm x 90mm
The pipe has a diameter of 5mm and a length of 90mm. These exact measurements determine how much surface area contacts the heat source and how far heat travels to the dissipation end. This size fits specific mounting holes and space constraints on GPUs or CPUs. You must verify these dimensions match your chassis or component layout. Other air coolers often use larger 6mm or 8mm pipes for higher heat loads.
Cooling Method: Passive
This device operates without fans or external power. It relies entirely on natural convection and the thermal conductivity of the copper tube. This means zero noise and no moving parts to fail. You get silent operation, but you must ensure the surrounding airflow is adequate. Unlike active air coolers, passive pipes cannot push air. They work best in cases with good natural ventilation or when attached to large heatsinks.
Compatible Device: Laptop, PC, GPU, CPU, VRAM, RAM
The listing states compatibility with various components, including laptops, desktops, graphics cards, processors, and memory modules. This versatility allows you to use the pipe for direct die cooling or as a thermal bridge. You can attach it to hotspots on VRAM or chipsets that lack built-in cooling. When shopping for CPU air coolers, note that this is a single pipe, not a full tower solution. It serves as a supplementary cooling aid rather than a primary cooler.
Design and build details
According to the listing, the Bopaodao heat pipe is a passive cooling component. The outer shell is made of copper, which provides structural rigidity and high thermal conductivity. Inside, the pipe contains a thermal fluid. This fluid acts as a heat exchange medium, moving heat through phase change rather than relying solely on solid conduction. The listing claims this method offers thermal conductivity 200 times that of copper alone. This design choice means the pipe can respond quickly to temperature spikes on components like GPUs or CPUs.
The specific unit reviewed has a diameter of 5mm and a length of 90mm. In inches, this translates to a width and height of 0.2 inches and a length of 3.54 inches. The listing notes that the pipe has a sharp end for contact with the heat source and a smooth end for dissipation. This geometry is intended for direct mounting onto chips where space is tight. The passive nature means there are no fans or moving parts, reducing noise to zero.
The listing mentions that the manufacturer can bend or flatten the tube to custom specifications. This flexibility allows you to route the pipe around obstacles on a motherboard or laptop chassis. The 5mm diameter fits standard mounting holes for many small form factor builds. The 90mm length is suitable for short-distance heat transfer, connecting a hot component to a nearby heatsink or chassis wall.
Setup and everyday use notes
You install this Bopaodao heat pipe by placing the sharp end directly against the heat source. The listing notes that the smooth end serves as the heat dissipation side. You must ensure the sharp tip makes firm contact with the component you are cooling. This design works with laptop IC chipsets, GPUs, VRAM, RAM, and LED modules. It is also compatible with PC graphics cards and CPU radiators. The product is a passive cooling solution. This means it has no fans or active moving parts. It relies entirely on the thermal conductivity of the copper and the internal fluid to move heat. You can bend or flatten the pipe if your build requires a specific shape. The listing offers this service via Amazon message. You need to send a request for custom processing. The standard dimensions are 5mm in diameter and 90mm in length. This size fits into tight spaces where larger heatsinks cannot go. Daily use involves the pipe absorbing heat from the component and transferring it to the surrounding air or a larger heatsink. The thermal fluid inside allows for rapid heat exchange. This process is described as having thermal conductivity 200 times that of solid copper alone. You do not need to configure any software or settings. The installation is purely physical. You simply mount the pipe so the heat flows from the sharp end to the smooth end. The passive nature means there is no noise generated during operation. It works quietly as long as the heat source is active. The copper material ensures durability and consistent thermal performance over time. You should verify that the 5mm diameter and 90mm length match your specific cooling needs before installation.
Before you buy this heat pipe
This passive copper heat pipe is a component, not a complete cooling solution. You will need to pair it with a heatsink or fan assembly to achieve effective thermal dissipation. The listing indicates compatibility with laptop VRAM, RAM, GPU, and CPU chips. Verify that your target component has sufficient surface area for the 5mm by 90mm pipe to attach securely. Since it relies on passive cooling, ambient airflow is critical. Ensure your case or laptop chassis allows for adequate air movement across the heat dissipation end. You must also check if the manufacturer offers custom bending or flattening services if your design requires non-standard angles. This item fits alongside standard CPU air coolers as a specialized add-on for specific hotspots rather than a primary processor cooler. Regularly inspect the copper contact surface for oxidation or debris to maintain optimal thermal transfer efficiency over time.
Check before you buy
- Confirm your device supports passive heat pipe attachment
- Check if custom bending services are available for your needs
- Ensure adequate ambient airflow for passive cooling performance
- Verify surface compatibility for the 5mm diameter contact point
The product at a glance
Bopaodao 5mm x 90mm Copper Heat Pipe
Best for: compact passive heat transfer for GPUs
- Material
- Copper, thermal fluid
- Cooling Method
- Passive
- Compatible Device
- Laptop, PC, GPU, CPU, VRAM, RAM
- Dimensions
- 5mm x 90mm
View on Amazon: Bopaodao 5mm x 90mm Copper Heat Pipe Affiliate link
This passive cooling component is a copper heat pipe filled with thermal fluid. It measures 5mm in diameter and 90mm in length. The fluid inside offers thermal conductivity 200 times that of solid copper. You can use it to transfer heat from GPU, CPU, or VRAM sources. It works as a fanless heatsink for laptops and PCs. The design helps improve heat dissipation in tight spaces.
Pros
- Copper construction with thermal fluid core
- 5mm diameter and 90mm length dimensions
- Passive fanless cooling method
- Compatible with GPU, CPU, and RAM
Cons
- Passive design requires external airflow
- Fixed 90mm length limits reach
- No included mounting hardware
Good fit if
- You need a compact copper heat pipe for GPU or CPU
- You are building a fanless cooling setup for a laptop
- You require a small diameter pipe for tight spaces
Skip if
- You need active cooling with a built-in fan
- You require a heat pipe longer than 90mm
- You need a larger diameter than 5mm
Verdict: Bopaodao 5mm x 90mm Copper Heat Pipe is a simple passive heat transfer solution for users who need to move heat from small components like VRAM or chipsets. It fits builders who prioritize compact size and passive operation over active fan noise.
Specifications side by side
| Spec | Bopaodao 5mm x 90mm Copper Heat Pipe |
|---|---|
| Material | Copper, thermal fluid |
| Cooling Method | Passive |
| Compatible Device | Laptop, PC, GPU, CPU, VRAM, RAM |
| Dimensions | 5mm x 90mm |
| Size | D: 5mm |
| Color | L: 90mm |
Frequently asked questions
Can this Bopaodao heat pipe cool a CPU directly?
The listing specifies compatibility with GPU, laptop, and RAM components, but does not explicitly list CPUs. While the data mentions CPU chips in the before-you-buy section, the primary attributes highlight GPU and laptop use. You should verify if the 5mm diameter and 90mm length suit your specific processor socket and heatsink clearance before relying on it for main CPU cooling.
Is the Bopaodao 5mm x 90mm copper pipe noisy?
No, this component is entirely silent. The cooling method is listed as passive, meaning it has no fans or moving parts. It relies on copper material and internal thermal fluid to transfer heat. You will not hear any operational noise from this heat pipe during use, making it ideal for quiet builds where fan noise is a concern.
What is the exact length of this heat pipe?
The product specifications list the length as 90mm. This is also converted to 3.54 inches in the data. The diameter is fixed at 5mm. You should measure your available space to ensure this 90mm length fits between your heat source and the heat sink or chassis area where you plan to dissipate the thermal energy.
Does this heat pipe come with mounting hardware?
The provided data does not mention any included mounting screws, clips, or adhesive pads. It is described as a simple passive heat transfer solution. You will likely need to source your own thermal interface material and mechanical fasteners to secure the 5mm copper pipe against your component. Check the full product listing for any included accessories.
How does the thermal fluid in this pipe work?
The listing states the copper shell contains a thermal fluid that moves heat via phase change. This process allows heat to travel faster than solid conduction alone. You apply heat to one end, and the fluid circulates the thermal energy to the other end for dissipation. This mechanism helps keep your component temperatures lower without active cooling.
Is this copper heat pipe suitable for VRAM cooling?
Yes, the attributes explicitly list VRAM as a compatible device. The passive design is well-suited for small components like video memory chips. You can attach the sharp end to the VRAM and route the 90mm length to a nearby heatsink or airflow path. This setup helps manage heat from memory modules effectively in compact builds.
What is the width of this Bopaodao heat pipe?
The specifications list the width as 0.2 inches. This measurement corresponds to the 5mm diameter of the copper tube. The height is also listed as 0.2 inches. These compact dimensions make it easy to fit into tight spaces within a PC case or laptop chassis without interfering with other components or cables.