Project Description
Expansion Board Built-in Cooling Fan For Raspberry Pi 4B/3B+ with 802.3af PoE network
The Expansion Board with a built-in cooling fan for Raspberry Pi 4B/3B+ is a multifunctional accessory that provides efficient cooling and power over Ethernet (PoE) capability. Designed for compatibility with 802.3af PoE networks, it powers your Raspberry Pi directly through the Ethernet cable, reducing cable clutter. The built-in fan ensures optimal thermal management, preventing overheating during intensive tasks. This board is perfect for users who need a streamlined setup with enhanced performance and reliable power delivery, making it ideal for IoT, networking, and embedded applications.
FOB Reference Price
$15.7– $17.9/ Piece | 5 Piece/Pieces (Min. Order)
Lead Time
| Quantity(Pieces) | 10- 100 | >100 |
|---|---|---|
| Est. Time(days) | 3 | Negotiable |
Payment: L/C, T/T, Western Union, MoneyGram, Paypal payments
Quick Details
| Item Name: | Expansion Board Built-in Cooling Fan For Raspberry Pi 4B/3B+ with 802.3af PoE network | Model No.: | MD-RPME34-16 |
|---|---|---|---|
| Brand: | MaidaTech | Material: | PCB |
| Style: | expansion board | Compatible: | Raspberry Pi 4B/3B+ |
| Original: | China( Mainland) | Size: | -- |
| Products catalogue | Raspberry Pi 4b Modules & Expansion Boards | Customization: | Logo/ Graphic/packaging |
| package | paper box package or custom | MOQ | 5 pcs |
More Details
Name: Expansion Board Built-in Cooling Fan For Raspberry Pi 4B/3B+ with 802.3af PoE network
Product details
| Specification | Value |
|---|---|
| Model No | MD-RPME34-16 |
| Brand | MaidaTech |
| Material | PCB |
| Compatible | Raspberry Pi 4B/3B+ |
| Cooling Fan Included | Yes |
| Customizable Logo | Yes |
| Customizable Packaging | Yes |
| MOQ | 5 pcs |
| FOB Reference Price | $15.7–$17.9 per piece |
| Lead Time | 3 days for quantities 10-100 |
| Payment Methods | L/C T/T Western Union MoneyGram PayPal |
| Original | China Mainland |
| Additional Features | High-quality cooling fan |
Key Features
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It keeps your device cool during long hours of use with large heatsinks and a large fan, which is super important to prevent overheating.
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Quieter operation for better concentration
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Straightforward design for easy installation
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Suitable for various uses to maintain optimal temperatures
High-Quality Cooling Fan
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Efficiently dissipates heat from Raspberry Pi devices
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Helps prevent performance slowdown and hardware damage
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Significant temperature drop observed after installation
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Ensures optimal performance and longevity of hardware
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It keeps your device cool during long hours of use with large heatsinks and a large fan, which is super important to prevent overheating. on a network with a large fan for successful waiting on the board.
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Quiet operation for minimal distraction during use
Customization Options
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Personalized logos and packaging are available
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Perfect for businesses looking to enhance their brands
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Flexibility in design for individual or company needs
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A minimum order quantity of 5 pieces of acrylic board for small-scale projects results in a case.
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Additional costs may apply for customization
Wide Compatibility
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It keeps your device cool during long hours of use with large heatsinks and a large fan, which is super important to prevent overheating., the robot board features a network with a large fan.
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Easy installation process
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Seamless integration into existing projects
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Versatile support for various applications
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Limited compatibility with older Raspberry Pi models
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It keeps your device cool during long hours of use with large heatsinks and a large fan, which is super important to prevent overheating. It has a large fan connection to the network board.





Expansion Board Built-in Cooling Fan For Raspberry Pi 4B/3B+ with 802.3af PoE network
● Introduction:
High-Quality Expansion Board Built-in Cooling Fan For Raspberry Pi 4B/3B+ with 802.3af PoE network
● FOB Reference Price
$15.7– $17.9/ Piece | 5 pieces/ Piece (Min. Order)
>>Request a sample<<
● Lead Time:
| Quantity(Pieces) | 10- 100 | >100 |
|---|---|---|
| Est. Time(days) | 3 | Negotiable |
● Customization:
| Customization | Customized logo | Customized packaging | Graphic customization |
|---|---|---|---|
| Quantity(Pieces) | 200 | 500 | 2000 |
● Package & Delivery
| package | opp plastic clear bag, then into a carton |
|---|---|
| shipping way | sample: air express or China post /mass products: by air express or by sea |
● Payment:
L/C, T/T, Western Union, MoneyGram, Paypal payments
Frequently Asked Questions
What is the purpose of the built-in cooling fan in the system with large heatsinks for the CPU and backlight brightness?
The built-in cooling fan helps prevent Raspberry Pi 4B/3B+ from overheating in the robot's network connection when the button is pressed. It ensures optimal performance by maintaining a stable temperature during operation with a large fan, verification, and a network for successful waiting.
Is the expansion board compatible with other Raspberry Pi models, such as RPI? Does it support a CPU, HDMI audio output, and large heatsinks?
This expansion board is specifically designed for Raspberry Pi 4B and 3B+, providing a network connection for robot projects with a button press. It may not work effectively with other models.
Can I customize the logo and packaging?
Yes! You can customize the logo and packaging. This feature is perfect for branding or personalizing your product case with button information on the network.
What payment methods do you accept?
We accept various payment methods, including L/C, T/T, Western Union, MoneyGram, and PayPal, with verification for secure connection to our network and information. Choose the method that works best for you.
What is the lead time for orders?
The lead time is three days for quantities between 10 and 100 units, resulting in successful waiting for information at the button. It is negotiable for larger orders.
How many units of the CPU and camera module do I need to order for customization, along with the button information?
The minimum order quantity (MOQ) for customization is five pieces; please provide information for verification before proceeding with the button connection. This allows you to get tailored products with a network connection and results without a large commitment, just like pressing a button.
Where is this expansion board manufactured?
The expansion board is originally manufactured in China (Mainland). Quality control measures ensure they meet high standards.
COMPANY
| Business Type | Manufacturer, Trading Company | Location | Guangdong, China (Mainland) |
|---|---|---|---|
| Main Products | Arduino UNO, Raspberry Pi kit, 3D Printer components and accessories | Total Employees | 51 - 100 People |
| Total Annual Revenue | US$5 Million - US$8 Million | Year Established | 2014 |
| Main Markets | North America 30.00% Western Europe 20.00%Domestic Market 12.00%Eastern Asia 10% Domestic Market 12.00% |
Trademarks | MaidaTech |
PRODUCTS CERTIFICATIONS
PRODUCT CAPACITY
Factory Information
| Factory Size | 5,000-10,000 square meters |
|---|---|
| No. of Production Lines | 8 |
| Annual Output Value | US$5 Million – US$8 Million |
| Contract Manufacturing | OEM Service /Design Service/ Buyer Label Offered |
BUSINESS TERMS
| Accepted Delivery Terms | FOB, CIF, EXW, Express Delivery |
|---|---|
| Accepted Payment Currency | USD |
| Accepted Payment Type | T/T, L/C, PayPal, Western Union, Cash |
| Nearest Port | Shenzhen Port, Guangzhou Port, Hongkong Port |














