CanaKit 3.5A Raspberry Pi 4 Power Supply vs OwlTree PC Power Button, Desktop Switch Splitter ON Off
Updated August 2026 — CanaKit 3.5A Raspberry Pi 4 Power Supply wins on safety and compatibility, OwlTree PC Power Button, Desktop Switch Splitter ON Off wins on versatility and installation.
The CanaKit power supply is a better choice for Raspberry Pi 4 users, while the PC Power Button is ideal for desktop setups needing an external switch.
Why CanaKit 3.5A Raspberry Pi 4 Power Supply is better
Price
CanaKit is $4 cheaper than the PC Power Button.
Compatibility
Designed specifically for Raspberry Pi 4.
Safety
UL Listed for added safety.
Why OwlTree PC Power Button, Desktop Switch Splitter ON Off is better
Versatility
Compatible with a wide range of desktop computers.
Installation
Includes splitter boards and cables for easy setup.
Accessibility
Provides easier access to power controls.
Overall score
Specifications
| Spec | CanaKit 3.5A Raspberry Pi 4 Power Supply | OwlTree PC Power Button, Desktop Switch Splitter ON Off |
|---|---|---|
| Power Output | 3.5A | N/A |
| Cable Length | 5ft | 2M |
| Noise Filter | Yes | No |
| UL Listed | Yes | No |
| Installation Type | Plug-and-Play | Manual |
Dimension comparison
Overview of the Products
The CanaKit 3.5A Raspberry Pi 4 Power Supply and the PC Power Button serve different purposes in the realm of computer hardware but address essential needs. The CanaKit power supply is designed for the Raspberry Pi 4, while the PC Power Button provides an external solution for powering a computer on and off. Priced at $9.99, the CanaKit power supply is about 29% cheaper than the PC Power Button, which retails for $13.99.
Purpose and Functionality
The primary function of the CanaKit power supply is to provide stable power to the Raspberry Pi 4. It features a noise filter for added stability, ensuring reliable performance for your Raspberry Pi projects. On the other hand, the PC Power Button is designed to facilitate easier access to power controls for desktop computers, particularly in cases where the built-in button is hard to reach. Each product is tailored to specific user needs, making them suitable for different scenarios.
Design and Build Quality
CanaKit's power supply is UL Listed, which adds a layer of safety and reliability. It comes with an 18 AWG cable measuring 5 feet in length, providing flexibility in placement. In contrast, the PC Power Button is designed for easy installation with adhesive stickers and includes additional splitter boards and cables for versatility. While both products emphasize ease of use, the CanaKit power supply boasts more robust safety certifications, which could be crucial for users concerned about electrical hazards.
Installation and Ease of Use
The CanaKit power supply is straightforward to use—simply plug it into the Raspberry Pi 4. However, it is important to note that it is not compatible with earlier Raspberry Pi models. The PC Power Button, meanwhile, requires users to connect various cables to their motherboard headers, but it does come with a user-friendly installation manual. For those looking for a plug-and-play solution, the CanaKit power supply might be more appealing, while the PC Power Button offers flexibility for custom setups.
Compatibility
Compatibility is a significant factor when choosing between these two products. The CanaKit power supply specifically caters to the Raspberry Pi 4, ensuring optimal performance for this model. In contrast, the PC Power Button is compatible with a wide range of desktop computers, making it a more versatile option for users who may have different systems. This distinction is essential for consumers to consider based on their current hardware needs.
Customer Base and Usage
The CanaKit power supply is predominantly aimed at Raspberry Pi enthusiasts, hobbyists, and educators who require a reliable power source for their projects. Its design caters specifically to the unique needs of the Raspberry Pi 4. Conversely, the PC Power Button targets a broader audience, including gamers, computer builders, and those who may need an external switch due to a malfunctioning built-in button. This broader appeal may give the PC Power Button an advantage in terms of market reach.
Pricing and Value
At $9.99, the CanaKit power supply is positioned as an economical choice for Raspberry Pi users, especially considering its specialized design and UL certification. In comparison, the PC Power Button's price of $13.99 reflects its additional features, such as the splitter boards and installation accessories. While the CanaKit power supply is about 29% cheaper, the value of each product ultimately depends on the specific needs of the user.
Which should you buy?
When deciding between the CanaKit 3.5A Raspberry Pi 4 Power Supply and the PC Power Button, your choice should be guided by your specific requirements. If you are a Raspberry Pi 4 user in need of a reliable, safe power supply, the CanaKit power supply is the clear choice, offering stability and ease of use at a lower price. Conversely, if you are looking for an external power switch for a desktop computer, especially in cases where accessing the built-in button is challenging, the PC Power Button provides necessary functionality with added versatility. Ultimately, your decision should align with your current hardware and usage scenarios.

