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CanaKit 3.5A Raspberry Pi 4 Power Supply vs Sirlyr PSU Extension Cable Kit - Custom Sleeved

Updated August 2026 — CanaKit 3.5A Raspberry Pi 4 Power Supply wins on price and compatibility, Sirlyr PSU Extension Cable Kit - Custom Sleeved wins on design and stability.

The CanaKit power supply is a budget-friendly option for Raspberry Pi users, while the Sirlyr kit offers superior aesthetics and performance for PC builders. Choose based on your specific needs.

Why CanaKit 3.5A Raspberry Pi 4 Power Supply is better

Price

CanaKit is cheaper at $9.99

Compatibility

Designed specifically for Raspberry Pi 4

Simplicity

Straightforward installation for Raspberry Pi users

Why Sirlyr PSU Extension Cable Kit - Custom Sleeved is better

Aesthetics

Vibrant white and pink sleeved cables

Cable Quality

16 AWG cables for better power handling

Versatility

Supports multiple PC configurations

Overall score

CanaKit 3.5A Raspberry Pi 4 Power Supply
75
Sirlyr PSU Extension Cable Kit - Custom Sleeved
85

Specifications

SpecCanaKit 3.5A Raspberry Pi 4 Power SupplySirlyr PSU Extension Cable Kit - Custom Sleeved
Power TypeUSB-CExtension Cable
Noise FilterYesNo
Cable MaterialStandardPET
Target AudienceRaspberry PiPC Builders
Installation EaseEasyModerate

Dimension comparison

CanaKit 3.5A Raspberry Pi 4 Power SupplySirlyr PSU Extension Cable Kit - Custom Sleeved

Overview of the Products

The CanaKit 3.5A Raspberry Pi 4 Power Supply is designed specifically for the Raspberry Pi 4, while the Sirlyr PSU Extension Cable Kit is a custom-sleeved power supply mod aimed at enhancing PC aesthetics and performance. Priced at $9.99, the CanaKit power supply is about 50% cheaper than the Sirlyr kit, which retails for $19.99. Both products cater to different markets, with CanaKit focusing on Raspberry Pi users and Sirlyr targeting gamers and PC builders.

Target Audience

The CanaKit power supply is tailored for Raspberry Pi enthusiasts, especially those utilizing the Raspberry Pi 4. It is UL Listed, ensuring safety and reliability for users who need a stable power source for their projects. Conversely, the Sirlyr PSU Extension Cable Kit is aimed at PC builders who want to customize their setups while maintaining cable management and aesthetics. This product is particularly appealing to those seeking to elevate their gaming rigs with a stylish touch.

Design and Aesthetics

In terms of design, the CanaKit power supply features a simple yet practical look, emphasizing functionality over flair. It incorporates a 5-foot long cable, which provides flexibility in placement. On the other hand, the Sirlyr PSU Extension Cable Kit stands out with its vibrant white and pink sleeved cables, made from pearl white PET material. This aesthetic appeal, combined with 18 cable combs for better organization, makes it a desirable choice for those who prioritize appearance in their builds.

Performance and Stability

The CanaKit power supply is built for stability, featuring a 3.5A output specifically designed for the Raspberry Pi 4. Its incorporation of a noise filter further enhances power stability, which is crucial for sensitive electronics. In contrast, the Sirlyr PSU Extension Cable Kit utilizes 16 AWG cables that maintain stability even under high currents, ideal for systems that require significant power, ranging between 800W to 1600W. This performance metric may be vital for users with high-end components that need reliable power delivery.

Cable Quality and Length

CanaKit’s power supply comes with an 18 AWG cable, which is standard for power supplies but may not cater to the highest performance demands of high-end PCs. The 5-foot length offers decent flexibility for Raspberry Pi setups. In comparison, the Sirlyr kit's 16 AWG cables are thicker and more robust, providing superior power handling capabilities. This makes the Sirlyr kit suitable for more demanding applications, ensuring that it can effectively manage larger power loads without compromising on performance.

Installation and Compatibility

The installation of the CanaKit power supply is straightforward, as it is specifically designed for the Raspberry Pi 4, making it a plug-and-play solution for users of this device. However, it is important to note that it is not compatible with earlier Raspberry Pi models. The Sirlyr PSU Extension Cable Kit is designed for PC builders and supports a wide range of components, including 1×24-pin ATX, 2×4+4pin EPS, and 2×6+2Pin PCI-E configurations. This versatility allows it to be used in various builds, making it an advantageous choice for those who frequently upgrade their systems.

Price Comparison

The price difference between the two products is significant. The CanaKit power supply is priced at $9.99, making it an economical choice for those in need of a reliable power source for the Raspberry Pi 4. In contrast, the Sirlyr PSU Extension Cable Kit is priced at $19.99, which is about 100% more expensive. This substantial price gap may influence potential buyers depending on their budget and specific needs. The higher price of the Sirlyr kit may be justified by its aesthetic appeal and the quality of materials used.

Which should you buy?

Choosing between the CanaKit 3.5A Raspberry Pi 4 Power Supply and the Sirlyr PSU Extension Cable Kit ultimately depends on your specific needs. If you are a Raspberry Pi user seeking a reliable, budget-friendly power source, the CanaKit option is clearly the better pick at $9.99. Alternatively, if you're a PC builder looking to enhance your system's aesthetics and performance, the Sirlyr kit offers superior cable quality and customization options, albeit at a higher price of $19.99. Consider your requirements and budget to make the best choice for your setup.