iUniker 27W PD USB-C Power Supply for Raspberry Pi vs OwlTree PC Power Button, Desktop Switch Splitter ON Off
Updated August 2026 — iUniker 27W PD USB-C Power Supply for Raspberry Pi wins on compatibility and design, OwlTree PC Power Button, Desktop Switch Splitter ON Off wins on price.
The iUniker power supply is the better choice for Raspberry Pi users due to its specialized design and lower price. The PC Power Button is ideal for those needing easy access to power their desktop.
Why iUniker 27W PD USB-C Power Supply for Raspberry Pi is better
Price
iUniker is $3 cheaper than PC Power Button
Specialization
Designed specifically for Raspberry Pi 5
Technology
Uses GaN technology for efficiency
Why OwlTree PC Power Button, Desktop Switch Splitter ON Off is better
Versatility
Compatible with any desktop motherboard
Ease of use
Provides easy access to power switch
Installation
Includes installation manual for guidance
Overall score
Specifications
| Spec | iUniker 27W PD USB-C Power Supply for Raspberry Pi | OwlTree PC Power Button, Desktop Switch Splitter ON Off |
|---|---|---|
| Brand | iUniker | OwlTree |
| Power | 27W | N/A |
| Voltage | 5.1V-15V | N/A |
| Type | Power Supply | Power Button |
| Technology | GaN | N/A |
Dimension comparison
Overview of the Products
In this comparison, we will explore the iUniker 27W PD USB-C Power Supply for Raspberry Pi 5 and the PC Power Button by OwlTree. The iUniker power supply is priced at $10.99, while the PC Power Button costs $13.99, making the PC Power Button about 27% more expensive. Each product serves distinct purposes, catering to different user needs in the realm of electronics.
Purpose and Functionality
The iUniker 27W PD USB-C Power Supply is designed specifically for powering Raspberry Pi 5 devices, delivering multiple output voltage options including 5.1V at 5A and 9V at 3A. This versatility makes it ideal for tech enthusiasts looking to utilize the Raspberry Pi for various projects. On the other hand, the PC Power Button serves as an external switch for desktop computers, allowing users easier access to power their systems, particularly in setups where the built-in button is hard to reach. While both products enhance user experience, they cater to completely different technological requirements.
Design and Build Quality
The iUniker power supply utilizes GaN technology, which contributes to a compact design without compromising power efficiency. This technology also helps maintain a lower operating temperature, increasing the longevity of the product. Conversely, the PC Power Button features a straightforward design that prioritizes ease of installation and use. It includes adhesive stickers for securing the button and multiple splitter boards to connect to the motherboard. Both products boast solid designs suited for their specific functions, but the iUniker's advanced technology offers a modern touch that may appeal more to tech-savvy users.
Installation and Setup
Setting up the iUniker power supply is straightforward; users simply need to connect it to their Raspberry Pi and plug it into an AC outlet. The USB-C connector ensures compatibility with the device. In contrast, installation of the PC Power Button involves connecting several cables to the motherboard headers and securing the button, which could take longer for some users. However, OwlTree does provide an installation manual, making the process manageable. While the iUniker is more plug-and-play, the PC Power Button requires a bit more technical know-how, especially for those unfamiliar with PC components.
Compatibility
The iUniker power supply is designed specifically for Raspberry Pi 5 models, ensuring that it delivers the required voltage and current for optimal performance. It is compatible with both the 4GB and 8GB versions of the Raspberry Pi 5. On the other hand, the PC Power Button is more universally compatible, designed to work with virtually any desktop motherboard, making it a versatile choice for users with different setups. When considering compatibility, the iUniker is tailored for a specific audience, while the PC Power Button offers broader usability.
Price Comparison
The iUniker power supply is currently priced at $10.99, while the PC Power Button is available for $13.99. This puts the iUniker at about $3 cheaper than the PC Power Button, representing a price difference of around 22%. For consumers focused on cost-effectiveness, especially those specifically needing a power supply for a Raspberry Pi, the iUniker offers a more budget-friendly option. However, for those needing an external power button, the additional cost of the PC Power Button may be justified by its unique functionality.
User Considerations
When choosing between these two products, potential buyers should consider their specific needs. If you are looking to power a Raspberry Pi 5 efficiently, the iUniker 27W PD USB-C Power Supply is the clear choice, thanks to its specialized design and lower price point. Alternatively, if you require an external power switch for a desktop setup, the PC Power Button provides a practical solution. The decision ultimately hinges on the intended use, as these products serve fundamentally different functions.
Which should you buy?
The choice between the iUniker 27W PD USB-C Power Supply and the PC Power Button depends on your specific needs. For users focused on powering a Raspberry Pi 5, the iUniker is the better option due to its optimized functionality and lower price point of $10.99. However, if accessibility to the power switch of a desktop computer is your priority, the OwlTree PC Power Button, while more expensive at $13.99, offers a valuable solution. Ultimately, both products excel within their respective niches, making them worthwhile purchases depending on user requirements.

