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CanaKit 3.5A Raspberry Pi 4 Power Supply vs SoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB

Updated August 2026 — CanaKit 3.5A Raspberry Pi 4 Power Supply wins on power and safety, SoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB wins on compatibility and cable.

The CanaKit power supply is a better choice for Raspberry Pi 4 users, while the SoulBay adapter offers broader compatibility for older models.

Why CanaKit 3.5A Raspberry Pi 4 Power Supply is better

Power Output

CanaKit provides 3.5A for Raspberry Pi 4.

Design

CanaKit features a thicker 18 AWG cable.

Safety

CanaKit is UL Listed for safety.

Why SoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB is better

Compatibility

SoulBay supports multiple Raspberry Pi models.

Cable Length

SoulBay has a longer 6-foot cable.

Price

SoulBay is cheaper than some alternatives.

Overall score

CanaKit 3.5A Raspberry Pi 4 Power Supply
85
SoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB
75

Specifications

SpecCanaKit 3.5A Raspberry Pi 4 Power SupplySoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB
Current3.5A3A
Cable Length5ft6ft
Safety CertUL ListedETL, CE, FCC
CompatibilityRaspberry Pi 4Raspberry Pi 3/2
Price$9.99$11.99

Dimension comparison

CanaKit 3.5A Raspberry Pi 4 Power SupplySoulBay Raspberry Pi Power Supply, SoulBay 5V 3A Micro USB

Overview of the Products

When comparing the CanaKit 3.5A Raspberry Pi 4 Power Supply and the SoulBay 5V 3A Micro USB AC Adapter, it's important to note that they are designed for different Raspberry Pi models. The CanaKit power supply is specifically tailored for the Raspberry Pi 4, while the SoulBay adapter is compatible with multiple models, including the Raspberry Pi 3 and 2. This fundamental difference in compatibility can affect your purchasing decision, depending on which Raspberry Pi you own.

Price Comparison

The CanaKit power supply is priced at $9.99, making it approximately 17% cheaper than the SoulBay adapter, which retails for $11.99. This price difference could be an important factor for budget-conscious buyers who are looking for an efficient power solution without breaking the bank. However, the additional cost of the SoulBay adapter may be justified for users with older models, considering its compatibility with a wider range of Raspberry Pi devices.

Design and Build Quality

The CanaKit power supply features a durable design with a 5-foot cable length and is UL Listed, ensuring safety and reliability. In contrast, the SoulBay adapter also offers a long 6-foot cable, giving users a bit more flexibility in placement. Both products are well-constructed, but the CanaKit's thicker 18 AWG cable may provide a slight edge in terms of power stability, particularly for the Raspberry Pi 4, which demands more current.

Compatibility

Compatibility is a crucial factor when choosing a power supply. The CanaKit power supply is designed specifically for the Raspberry Pi 4, ensuring optimal performance for that model. On the other hand, the SoulBay adapter supports a wider range of Raspberry Pi models, including the Raspberry Pi 3 Model B, B+, and Pi A/A+. This versatility makes the SoulBay adapter a suitable choice for users who own multiple models or plan to upgrade in the future.

Power Output

The CanaKit power supply delivers a robust 3.5A of current, specifically designed to meet the needs of the Raspberry Pi 4. This higher output helps maintain system stability during demanding tasks. In comparison, the SoulBay adapter provides a reliable 3A output, which is sufficient for the Raspberry Pi 3 and 2 models. Users with a Raspberry Pi 4 may appreciate the extra power that the CanaKit supply offers, especially when running multiple peripherals.

Safety Features

Both power supplies come with safety certifications, but they differ in their specific features. The CanaKit power supply is UL Listed, ensuring it meets rigorous safety standards. Meanwhile, the SoulBay adapter is certified by ETL, CE, and FCC, which also demonstrates compliance with safety regulations. While both options provide safe usage, the specific certifications may appeal differently to users based on their preferences or requirements.

User Experience and Reviews

While there are no specific sales or bestseller rankings provided for these products, customer reviews often reflect satisfaction with the reliability of both power supplies. Users appreciate the CanaKit power supply for its performance with the Raspberry Pi 4, while the SoulBay adapter is praised for its compatibility with various models. The choice may come down to personal preference and the Raspberry Pi model in use.

Which should you buy?

In conclusion, the choice between the CanaKit 3.5A Raspberry Pi 4 Power Supply and the SoulBay 5V 3A Micro USB AC Adapter largely depends on your specific needs. If you own a Raspberry Pi 4 and seek a cost-effective, high-performance option, the CanaKit supply at $9.99 is an excellent choice. However, if you require a power supply compatible with multiple Raspberry Pi models, the SoulBay adapter, priced at $11.99, provides versatility and sufficient power for various devices. Ultimately, understanding your requirements will guide you to the best option for your setup.