CanaKit 3.5A Raspberry Pi 4 Power Supply vs Raspberry Pi 15W USB-C Power Supply US - Black
Updated August 2026 — CanaKit 3.5A Raspberry Pi 4 Power Supply wins on noise filter and cable length, Raspberry Pi 15W USB-C Power Supply US - Black wins on compatibility and power output.
The CanaKit power supply offers better value for budget-conscious users, while the Raspberry Pi supply provides higher power output.
Why CanaKit 3.5A Raspberry Pi 4 Power Supply is better
price
CanaKit is $6.38 cheaper
cable length
CanaKit has a longer 5-foot cable
brand reputation
CanaKit is well-known for quality Raspberry Pi accessories
Why Raspberry Pi 15W USB-C Power Supply US - Black is better
power output
Raspberry Pi provides 15.3 watts
stability features
Raspberry Pi lacks noise filter
build quality
Raspberry Pi is trusted in the maker community
Overall score
Specifications
| Spec | CanaKit 3.5A Raspberry Pi 4 Power Supply | Raspberry Pi 15W USB-C Power Supply US - Black |
|---|---|---|
| Power Type | USB-C | USB-C |
| Output Voltage | 5V | 5.1V |
| Amperage | 3.5A | 3A |
| Cable Gauge | 18 AWG | 18 AWG |
| UL Listed | Yes | No |
Dimension comparison
Overview of Power Supplies
When it comes to powering your Raspberry Pi 4, selecting the right power supply is crucial for performance and stability. The CanaKit 3.5A Raspberry Pi 4 Power Supply is priced at $9.99, while the Raspberry Pi 15W USB-C Power Supply retails for $16.37. This makes the CanaKit about 39% cheaper than its competitor. Both power supplies are designed specifically for the Raspberry Pi 4, but they differ in specifications and features that may influence your decision.
Design and Build Quality
The design and build quality of a power supply can significantly affect its reliability. The CanaKit power supply features a durable 5-foot cable and is UL Listed, which ensures safety and quality standards are met. On the other hand, the Raspberry Pi power supply comes with a 1.5M cable, also made of 18 AWG, but lacks explicit UL Listing information. While both products are built to provide stable power, the UL Listing of the CanaKit may offer additional peace of mind to users concerned about safety.
Power Output and Compatibility
Power output is a key factor for any power supply. The CanaKit 3.5A power supply is designed specifically for the Raspberry Pi 4, providing a reliable 3.5A output. In contrast, the Raspberry Pi 15W USB-C Power Supply offers a slightly higher output of 3A at 5.1V, which translates to a total of 15.3 watts. Both power supplies are compatible with the Raspberry Pi 4, but the higher wattage of the Raspberry Pi unit may provide better performance during demanding tasks.
Cable Length and Usability
Cable length is an important consideration, especially for setups where the power supply may be positioned far from the Raspberry Pi. The CanaKit power supply offers a longer 5-foot cable compared to the 1.5M cable (approximately 4.9 feet) of the Raspberry Pi power supply. This slight difference may not seem significant, but for some users, the additional length of the CanaKit could facilitate easier placement and organization of their workspace, providing more flexibility in setup.
Stability Features
Stability is crucial for any power supply, especially when powering sensitive electronics like the Raspberry Pi. The CanaKit 3.5A power supply incorporates a noise filter, which helps to provide a more stable power output, reducing the risk of interruptions or fluctuations. The Raspberry Pi power supply does not mention any specific stability features, which may be a consideration for users running high-performance applications or projects that require consistent power delivery.
Price Comparison
Price is often a decisive factor for consumers, and in this case, the CanaKit power supply is significantly more affordable, priced at $9.99 compared to the Raspberry Pi power supply, which costs $16.37. This price difference of about $6.38 may appeal to budget-conscious buyers. While the higher-priced Raspberry Pi power supply offers some additional features, the cost gap could sway those who prioritize savings over extra specifications.
Brand and Reputation
Brand reputation can influence purchasing decisions, particularly in the tech community. CanaKit is well-known for its Raspberry Pi accessories and has built a solid reputation for quality. In contrast, the Raspberry Pi brand is synonymous with the Raspberry Pi itself and is trusted in the maker community. Both brands are reputable, but the choice may boil down to personal preference and past experiences with either manufacturer.
Which should you buy?
Ultimately, the decision between the CanaKit 3.5A Raspberry Pi 4 Power Supply and the Raspberry Pi 15W USB-C Power Supply hinges on your specific needs and budget. If you prioritize cost-effectiveness and a longer cable, the CanaKit power supply, at $9.99, is an excellent choice. However, if you require additional stability features and a higher power output, the Raspberry Pi power supply, priced at $16.37, may be the better option for more demanding applications. Evaluate your requirements carefully to make the best choice for your Raspberry Pi setup.

