Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply
Updated August 2026 — Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W wins on modularity and cooling, R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply wins on compatibility and size.
The Apevia ITX-PFC500W is a powerful choice for high-performance systems, while the RasTech is a budget-friendly option for Raspberry Pi users.
Why Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W is better
Power Output
Apevia offers 500W compared to RasTech's 27W.
Compatibility
Apevia supports various desktop configurations.
Cooling Features
Apevia has a dedicated cooling system.
Why R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply is better
Price
RasTech is significantly cheaper at $12.99.
Size
RasTech is smaller and designed for Raspberry Pi.
User Experience
RasTech offers a plug-and-play design.
Overall score
Specifications
| Spec | Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W | R∞RasTech RasTech for Raspberry Pi 5 GaN PD 27W Power Supply |
|---|---|---|
| Max Power | 500W | 27W |
| Connectors | Multiple | USB-C |
| Cooling | Active | None |
| Protection | Extensive | Basic |
| Modularity | Fully Modular | Non-Modular |
Dimension comparison
Price Comparison
The price difference between the Apevia ITX-PFC500W Mini ITX Power Supply and the RasTech for Raspberry Pi 5 Power Supply is significant. The Apevia unit is priced at $49.99, while the RasTech adapter comes in at just $12.99. This means that the Apevia power supply is approximately 284% more expensive than the RasTech option. If you are on a tight budget or are primarily using a Raspberry Pi 5, the RasTech is a much more economical choice.
Power Output
When it comes to power output, the Apevia ITX-PFC500W offers a maximum of 500W, which is ideal for powering high-performance desktop gaming systems or small form factor computers. In contrast, the RasTech power supply provides a maximum output of 27W, specifically designed for the Raspberry Pi 5. This means that if you're looking for robust power for a gaming desktop or server, the Apevia is the clear winner, while the RasTech is suitable for lower-power applications.
Compatibility
The Apevia ITX-PFC500W is a fully modular power supply designed for Mini ITX and Flex ATX systems, making it versatile for various desktop configurations. It includes multiple connectors, such as a 20+4 pin main power connector and two 6+2 PCIe connectors, offering compatibility with a range of components. On the other hand, the RasTech power supply is specifically made for the Raspberry Pi 5 and is compatible with all its variants (16GB/8GB/4GB/2GB). Therefore, if you are building a PC or gaming rig, the Apevia is the more suitable choice, while the RasTech is tailored for Raspberry Pi enthusiasts.
Cooling Features
The Apevia Mini ITX Power Supply features forced air ventilation with a 40mm double ball bearing fan, providing effective cooling during operation. This is crucial for maintaining system stability under heavy loads. In comparison, the RasTech power supply does not specifically mention any cooling features, as its lower power output may not generate significant heat. If cooling is a priority in a high-performance setup, the Apevia's dedicated cooling system offers an advantage.
Protection Features
In terms of protective features, the Apevia ITX-PFC500W comes equipped with several safety mechanisms, including overvoltage protection, overload protection, overcurrent protection, heating protection, and short circuit protection. These features ensure a higher level of safety for your components and overall system. The RasTech power supply also includes a 6-layer protection function with similar safeguards such as over-current protection and short-circuit protection. While both units offer safety features, the Apevia's extensive range may be more reassuring for users assembling powerful systems.
Size and Form Factor
The dimensions of the Apevia ITX-PFC500W are 160mm x 73.66mm x 35.5mm, making it a compact option for small form factor builds. Its modular design allows for neat cable management, which is essential for space-constrained environments. Conversely, the RasTech power supply is designed specifically for the Raspberry Pi 5 and is considerably smaller, with a straightforward USB-C connection. If space is a major consideration in your setup, both products cater to different needs: the Apevia for small desktops and the RasTech for compact Raspberry Pi projects.
User Experience
User experience can vary significantly between these two power supplies. The Apevia ITX-PFC500W requires proper cable connections to function correctly, as it will not power on simply by plugging it in. This may require users to have some technical knowledge to set up. On the other hand, the RasTech power supply has a plug-and-play design that simplifies the connection process for Raspberry Pi users. If ease of use is a priority, the RasTech offers a more user-friendly experience.
Which should you buy?
In conclusion, the choice between the Apevia ITX-PFC500W Mini ITX Power Supply and the RasTech for Raspberry Pi 5 Power Supply largely depends on your specific needs. If you require a high-power solution for a desktop gaming system or server, the Apevia provides significant power output and compatibility with various components, although at a higher price point of $49.99. Conversely, if you're looking for a budget-friendly option tailored for the Raspberry Pi 5, the RasTech at $12.99 is an excellent choice, offering adequate power for its intended use. Ultimately, consider your power requirements and budget before making a decision.

