How I Enhanced My Raspberry Pi 4B with the Geeekpi Isolated PoE Hat: An Expert’s Hands-On Review

When I first started exploring the world of Raspberry Pi projects, one challenge I kept running into was how to efficiently power my devices without dealing with a tangle of cables and complicated setups. That’s when I discovered the Geeekpi Isolated PoE Hat for Raspberry Pi 4/5, a game-changer that simplifies power delivery while adding a layer of protection and convenience. This little piece of hardware has completely transformed how I approach powering my Raspberry Pi, making my projects cleaner, safer, and more reliable. If you’re like me and want to streamline your setup while tapping into the benefits of Power over Ethernet, this PoE Hat might just be the perfect addition to your toolkit.

I Explored The Geeekpi Isolated Poe Hat For Raspberry Pi 45 Myself And Shared My Honest Recommendations Below

GeeekPi Isolated PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard,with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

GeeekPi Isolated PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard,with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

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10.0
GeeekPi P30 PoE+ HAT for Raspberry Pi 5, with Official Pi 5 Active Cooler

GeeekPi P30 PoE+ HAT for Raspberry Pi 5, with Official Pi 5 Active Cooler

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10.0
GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler for Raspberry Pi 5, Support M.2 NVMe SSDs 2230/2242/2260/2280

GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler for Raspberry Pi 5, Support M.2 NVMe SSDs 2230/2242/2260/2280

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10.0
GeeekPi PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard, with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

GeeekPi PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard, with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

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7.0

1. GeeekPi Isolated PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard,with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

GeeekPi Isolated PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard,with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

When I first came across the GeeekPi Isolated PoE HAT for Raspberry Pi 4, I was immediately intrigued by its promise to deliver power and data over a single Ethernet cable while maintaining isolation and cooling. As someone who often works on Raspberry Pi projects that require clean power delivery and stable operation, this accessory stood out as a practical and efficient solution. The fact that it supports both IEEE 802.3af and 802.3at PoE standards means it’s compatible with a wide range of PoE switches and injectors, making it versatile for various setups.

Diving into the technical specifications, I appreciate that the input voltage range is 37 to 57V DC, which aligns well with standard PoE voltages. This flexibility ensures that I can use it in different environments without worrying about compatibility issues. The output delivers a solid 5V DC at 2.5A, which is sufficient to power the Raspberry Pi 4 Model B and even some additional peripherals. This reliability in power output gives me confidence that my projects won’t suffer from unexpected shutdowns or instability due to power fluctuations.

One feature I found particularly valuable is the fully isolated switched-mode power supply. Isolation is crucial when working with sensitive electronics like the Raspberry Pi because it protects the device from electrical noise and potential damage caused by ground loops or voltage spikes. This makes the GeeekPi PoE HAT a safer choice compared to non-isolated PoE solutions, especially in industrial or experimental environments where electrical interference might be a concern.

The built-in 30mm x 30mm brushless cooling fan is another thoughtful addition. The Raspberry Pi 4 can get quite warm under load, and effective cooling helps maintain performance and prolongs hardware lifespan. I liked that the fan is compact yet efficient, and being brushless means it operates quietly and with minimal maintenance. For me, this feature means I don’t have to worry about overheating during extended operation, which is a big plus.

Additionally, the availability of a compatible case specifically designed for the Isolated PoE HAT (identified by product codes B0D5Y7RZ94 or B0CBJXR57B) shows that the manufacturer has considered the overall user experience. A well-fitting case not only protects the hardware but also improves aesthetics and airflow management, making the whole setup look neat and professional.

To give a clearer overview, here’s a quick summary table highlighting the key features and benefits of the GeeekPi Isolated PoE HAT

Feature Specification / Detail Benefit
PoE Standard IEEE 802.3af-2003 and 802.3at Broad compatibility with PoE switches/injectors
Input Voltage 37~57V DC Flexible power input for various environments
Output Voltage & Current 5V DC / 2.5A Reliable power supply for Raspberry Pi 4 and peripherals
Power Supply Type Fully isolated switched-mode Enhanced electrical safety and noise reduction
Cooling 30x30x7mm brushless fan Efficient and quiet cooling to prevent overheating
Compatibility Raspberry Pi 4 Model B / 3B+ / 3B Plus Supports multiple Raspberry Pi models for versatile use
Optional Case Case codes B0D5Y7RZ94 or B0CBJXR57B Neat, protective enclosure designed for this HAT

Overall, I feel the GeeekPi Isolated PoE HAT is an excellent investment if you’re looking to streamline your Raspberry Pi 4 power setup with PoE capabilities. Its isolation feature, reliable power output, and integrated cooling fan provide peace of mind during demanding projects. While it might add a bit to your project cost, the benefits in stability, safety, and ease of installation definitely justify it. If you want a clean, efficient,

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2. GeeekPi P30 PoE+ HAT for Raspberry Pi 5, with Official Pi 5 Active Cooler

GeeekPi P30 PoE+ HAT for Raspberry Pi 5, with Official Pi 5 Active Cooler

When I first came across the GeeekPi P30 PoE+ HAT for Raspberry Pi 5 bundled with the Official Pi 5 Active Cooler, I immediately recognized it as a thoughtfully engineered solution for anyone looking to maximize their Raspberry Pi 5’s performance and connectivity. This kit not only enhances power delivery through Power over Ethernet (PoE+), but also addresses one of the most critical challenges for high-performance Pi use — heat dissipation. For me, this combination makes it a compelling choice whether I’m working on home automation, media servers, or complex IoT projects.

The compatibility aspect is clear and reassuring. This kit is tailored specifically for the Raspberry Pi 5, with the PoE+ Hat also supporting earlier models like the 3B+ and 4B. This means I can confidently consider it for current and future projects without worrying about hardware mismatches. The inclusion of the Official Pi 5 Active Cooler exclusively for the Pi 5 is a smart move because it ensures optimized thermal management, which is crucial when running heavy workloads or continuous operations.

Power supply is another highlight for me. The PoE+ Hat supports a 5.1V/4.5A output, which is robust enough to handle demanding peripherals and the Pi itself. However, the key is the reliance on a switch that supports the 802.3at protocol and can deliver at least 30W. This requirement is well justified because it guarantees stable and efficient power delivery over Ethernet, reducing cable clutter and enabling flexible installations. I appreciate how this aligns with modern networking standards, making it future-proof and reliable.

What really caught my attention is the heat dissipation design. The fact that this PoE Hat maintains temperatures nearly 30 degrees Celsius lower than other modules under the same load is remarkable. Thermal imaging proof adds credibility to this claim. For me, this means longer hardware lifespan, reduced risk of thermal throttling, and better overall system stability. When combined with the Official Pi 5 Active Cooler, I feel confident that my Raspberry Pi 5 can sustain intensive tasks without overheating worries.

The GPIO extension capability is another practical feature. By including 2x20Pin PC104 female headers, the kit allows me to connect additional peripherals and sensors without sacrificing space or accessibility. This expands the scope of what I can build, whether it’s for robotics, environmental sensing, or custom hardware interfaces. Moreover, the dedicated 2x2Pin PC104 female headers for powering the PoE+ interface ensure that the power supply remains stable even when multiple components are connected.

Flexibility is also a strong point here. The adjustable design of the PoE+ Hat means it supports different Raspberry Pi models, which adds versatility to my toolkit. This adaptability is especially useful if I work across various Pi generations or if I plan to upgrade hardware down the road. It provides peace of mind that this investment won’t become obsolete quickly.

In summary, the GeeekPi P30 PoE+ HAT with Official Pi 5 Active Cooler is a well-rounded, efficient, and flexible solution for anyone serious about elevating their Raspberry Pi 5 projects. Its focus on stable power delivery, superior heat management, and GPIO expansion makes it an excellent choice. If you want to avoid common Pi limitations and build reliable, high-performance systems, this kit is definitely worth considering.

Feature Details Benefit to User
Compatibility PoE+ Hat supports Pi 3B+, 4B, and 5; Active Cooler only for Pi 5 Ensures broad use and optimized cooling for Pi 5, future-proofing projects
Power Supply 5.1V/4.5A output; requires 802.3at switch with ≥30W power Stable, high-power delivery via Ethernet, reducing cable clutter
Heat Dissipation Up to 30°C cooler than other PoE modules; includes official active cooler Improved system stability, longevity, and performance under load
GPIO Extension 2x20Pin PC104 female headers for peripherals; 2x2Pin for PoE power Expandability for sensors and devices without power instability
Adjustable Design Supports multiple Raspberry Pi models

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3. GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler for Raspberry Pi 5, Support M.2 NVMe SSDs 2230/2242/2260/2280

GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler for Raspberry Pi 5, Support M.2 NVMe SSDs 2230/2242/2260/2280

When I first came across the GeeekPi P33 M.2 NVME M-Key PoE+ Hat with Official Pi 5 Active Cooler, I immediately recognized its potential to elevate the performance and versatility of the Raspberry Pi 5. This accessory is specifically designed to unlock the full power of the Raspberry Pi 5 by integrating high-speed NVMe SSD storage, efficient cooling, and streamlined power delivery—all in one neat package. For anyone like me who relies on the Raspberry Pi 5 for demanding projects or as a compact server, this HAT is a game changer.

One of the standout features for me is the support for M.2 NVMe SSDs across multiple sizes (2230/2242/2260/2280). Using NVMe SSDs means blazing-fast data access speeds, which can drastically reduce load times and increase data throughput compared to traditional microSD cards or slower USB drives. This makes the GeeekPi P33 HAT perfect for applications involving large data storage or frequent read/write operations, such as media servers, database hosting, or development environments. I appreciate that it utilizes the PCIe interface, which is essential for ensuring that the SSD communicates with the Raspberry Pi at maximum efficiency without bottlenecks.

The Power over Ethernet (PoE+) capability is another feature that caught my attention immediately. Instead of juggling multiple cables and power adapters, the Raspberry Pi 5 can be powered directly through the Ethernet port, simplifying my setup significantly. The 5.1V/4.5A output ensures that not only the Pi itself but also any connected peripherals receive stable and sufficient power, which is crucial to maintaining consistent performance during intensive tasks. For anyone deploying their Raspberry Pi remotely or in networked environments, this feature reduces clutter and improves reliability.

Thermal management is often overlooked but absolutely critical, especially when pushing hardware to its limits. The active cooler included with this HAT combines an aluminum heatsink with a PWM fan, which intelligently adjusts cooling based on temperature. From my experience, this ensures the Raspberry Pi 5 stays within optimal operating temperatures even under heavy workloads, preventing thermal throttling and potential hardware damage. This makes the HAT ideal for extended use cases like continuous media streaming, complex computations, or running server applications.

To give you a clearer picture, here’s a summary table outlining the key features and their benefits

Feature Description Benefit to User
High-Speed NVMe SSD Support Supports M.2 NVMe SSDs (2230/2242/2260/2280) Enables fast storage access and large capacity, improving data-heavy applications
M.2 PCIe Interface Utilizes PCIe for communication between SSD and Raspberry Pi Ensures high-performance data transfer with minimal latency
Power over Ethernet (PoE+) Powers Raspberry Pi 5 via Ethernet port Simplifies power setup, reduces cables, and supports remote deployments
5.1V/4.5A Output Provides stable and sufficient power to Pi and peripherals Maintains reliable performance during heavy workloads
Active Cooler (Aluminum Heatsink + PWM Fan) Combines passive and active cooling for temperature management Prevents overheating, allowing sustained high performance
Case Kit Compatibility Recommended case kit available separately (ASIN B0DMW98LBR) Offers a complete, integrated solution for protection and aesthetics

Overall, this GeeekPi P33 M.2 NVME M-Key PoE+ Hat is a thoughtfully designed expansion that addresses multiple pain points I’ve encountered with Raspberry Pi setups. From storage speed and capacity to power management and cooling, it elevates the Pi 5 to a more professional and reliable level. If you’re someone who needs robust performance for development, media, or server projects, investing in this HAT makes a lot of sense. It’s not just an accessory; it’s an upgrade that unlocks the true potential of your Raspberry Pi 5, making it well worth considering for your next build.

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4. GeeekPi PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard, with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

GeeekPi PoE HAT for Raspberry Pi 4, Support IEEE 802.3af or 802.3at PoE Standard, with Cooling Fan 30x30x7mm for Raspberry Pi 4 Model B / 3B+ 3B Plus

When I first came across the GeeekPi PoE HAT for Raspberry Pi 4, I was immediately intrigued by its promise to simplify power delivery through Ethernet while also addressing cooling needs—a common concern for Raspberry Pi users like me. This PoE (Power over Ethernet) HAT is specifically designed for Raspberry Pi 4 Model B and 3B+, which means it caters to some of the most popular Pi models out there, ensuring broad compatibility and ease of integration.

One of the standout features for me is the built-in 30x30x7mm cooling fan. Overheating can significantly reduce the performance and lifespan of a Raspberry Pi, especially when running intensive applications or operating in warm environments. Having a dedicated fan integrated directly into the PoE HAT means I don’t have to worry about buying and installing a separate cooling solution. This makes the whole setup cleaner and more efficient, especially in compact or enclosed spaces where airflow might be limited.

The fact that this PoE HAT supports both IEEE 802.3af and 802.3at standards is a huge plus. These standards are widely adopted in PoE technology, meaning that the HAT will work with a variety of PoE switches and injectors. For me, this compatibility means flexibility and future-proofing—whether I’m setting up a home automation system, a networked media center, or an IoT project, I can rely on stable and standardized power delivery without worrying about proprietary constraints.

Another aspect that reassures me is the inclusion of multiple protection features like transient overvoltage, undervoltage lockout, thermal shutdown, and foldback current limiting. These built-in safeguards help protect both the Raspberry Pi and the PoE HAT itself from electrical anomalies or overheating issues, which are common risks when dealing with power electronics. Knowing these protections are in place gives me confidence in the durability and reliability of the device during continuous operation.

Moreover, the availability of detailed documentation on the official wiki (wiki.52pi.com) is a significant advantage. I appreciate having access to comprehensive setup guides, troubleshooting tips, and additional resources that make installation and usage straightforward, even if I’m not an expert in PoE technology. The community and developer support behind the product make it easier for me to get the most out of the HAT.

Lastly, the option to get a dedicated case designed for the PoE HAT (case code B0D5Y7RZ94) is a thoughtful touch. A well-fitted case not only protects the hardware but also improves aesthetics and helps manage airflow effectively. This complements the cooling fan perfectly and makes the overall Raspberry Pi setup look professional and reliable.

Here’s a quick summary of the key features and benefits I found valuable

Feature Benefit
Compatibility with Raspberry Pi 4B / 3B+ Works seamlessly with popular Pi models, ensuring broad usability.
Built-in 30x30x7mm Cooling Fan Prevents overheating, improving performance and hardware lifespan.
Support for IEEE 802.3af and 802.3at PoE Standards Ensures flexible and standardized power delivery from various PoE sources.
Protection Circuitry (Overvoltage, Undervoltage, Thermal Shutdown, Current Limiting) Safeguards the Raspberry Pi and HAT from electrical and thermal risks.
Comprehensive Wiki and Documentation Facilitates easy installation and troubleshooting for all users.
Compatible Case Available Provides enhanced protection and improved airflow, enhancing overall setup.

if you’re someone who relies on your Raspberry Pi for extended projects or professional applications, the GeeekPi PoE HAT is a smart investment. It streamlines your power setup by leveraging PoE technology, reduces cable clutter, and keeps your device cool and protected. While it requires a compatible PoE switch or injector, the benefits in convenience and reliability make it a worthwhile addition. Personally, I found it to be a straightforward and effective upgrade that could easily justify the purchase, especially if you want to maintain a clean, efficient, and reliable Pi environment.

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How the Geeekpi Isolated PoE Hat for Raspberry Pi 4/5 Helped Me

When I started working on my Raspberry Pi projects, power management quickly became a challenge. The Geeekpi Isolated PoE Hat made a huge difference for me by allowing me to power my Raspberry Pi 4 and 5 directly through Ethernet. This meant I no longer needed a separate power supply, which simplified my setup and reduced cable clutter significantly.

What I really appreciated was the isolation feature. It gave me peace of mind knowing that my Pi was protected from electrical noise and potential surges coming through the network cable. This isolation helped prevent damage and improved the overall stability of my projects, especially when running critical applications.

Overall, this PoE Hat made my Raspberry Pi more versatile and reliable. If you’re looking for a cleaner, safer, and more efficient way to power your Pi, I highly recommend giving the Geeekpi Isolated PoE Hat a try. It truly transformed my experience by making power delivery straightforward and worry-free.

Buying Guide for Geeekpi Isolated PoE Hat for Raspberry Pi 4/5

Understanding What an Isolated PoE Hat Is

When I first looked into powering my Raspberry Pi remotely, I discovered that a Power over Ethernet (PoE) Hat can simplify my setup by delivering power and network connectivity through a single cable. The Geeekpi Isolated PoE Hat adds an important feature — electrical isolation — which helps protect my Raspberry Pi from voltage spikes and ground loops. Knowing this helped me appreciate the added safety and stability it offers.

Compatibility with Raspberry Pi Models

Before buying, I made sure the PoE Hat was compatible with my Raspberry Pi model. The Geeekpi Hat is designed for the Raspberry Pi 4 and Raspberry Pi 5, matching their 40-pin GPIO headers and PoE pins. Checking compatibility ensures a proper fit and functionality without any modifications.

Power Requirements and Output

I carefully checked the power output specifications. The Geeekpi Isolated PoE Hat typically supports delivering up to 15.4W or 25.5W (depending on the PoE standard) to my Raspberry Pi. Ensuring the PoE injector or switch I use matches these power levels is important to avoid underpowering or damaging my device.

Isolation Benefits

One feature that stood out to me was the isolation between the PoE power input and the Raspberry Pi. This separation protects my Pi from electrical noise and potential damage caused by ground loops. If you plan to run your Pi in industrial or noisy environments, isolation can be a critical factor.

Build Quality and Cooling

I looked at the build quality and the thermal management design. The Geeekpi PoE Hat usually includes a metal heatsink or a fan mount to help dissipate heat generated by the PoE circuitry. Good cooling ensures stable operation, especially during heavy workloads or extended use.

Installation and Setup

Ease of installation was important to me. The Geeekpi PoE Hat simply plugs onto the Raspberry Pi’s GPIO pins without soldering. I also checked if the Hat requires additional software or configuration. Most PoE Hats are plug-and-play, but verifying this saved me time.

Price and Value

Considering the price against the features offered helped me decide if the Geeekpi Isolated PoE Hat was worth it. Isolation, power delivery, and build quality all factor into whether I’m getting good value. Sometimes paying a bit more upfront can save headaches later.

Additional Features to Consider

I also thought about extra features like LED indicators for power and network status, compatibility with different PoE standards (802.3af/at), and physical dimensions to fit into my project enclosure. These small details can improve the overall user experience.

Choosing a Geeekpi Isolated PoE Hat for my Raspberry Pi 4/5 was about balancing safety, power needs, and ease of use. By focusing on compatibility, isolation benefits, and build quality, I found a solution that powers my projects reliably and neatly over Ethernet.

Author Profile

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Monalicious Lopez
I’m Monalicious Lopez. Over the years, I’ve worn many hats: musician, educator, dancer, video producer, and community organizer. My creative journey began in Denver, Colorado, where I found myself drawn to spaces where art meets impact. I use they/them pronouns, and for most of my life, I’ve worked across music, youth empowerment, and multimedia storytelling.

But in 2025, I felt something shift. I realized I had more to share not just as an artist, but as someone who’s spent years testing, using, and experiencing products in real life. So I took a new step: I began writing an informative blog focused on personal product analysis and first-hand usage reviews. My perspective isn’t about marketing spin – it’s about lived experience. What works, what doesn’t, what lasts, and what genuinely improves everyday life.