Official Raspberry Pi 5 27W USB-C Power Supply vs IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply
Updated August 2026 — The Official Raspberry Pi 5 power supply is the superior choice for versatility and reliability, while the IESTAR adapter serves a niche purpose at a lower cost.
The Official Raspberry Pi 5 power supply is the superior choice for versatility and reliability, while the IESTAR adapter serves a niche purpose at a lower cost.
Why Official Raspberry Pi 5 27W USB-C Power Supply is better
Price
Higher price reflects advanced features and reliability.
Versatility
Can power multiple devices with various profiles.
Support
Better customer support and warranty services.
Why IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply is better
Cost
Significantly cheaper option for basic needs.
Simplicity
Straightforward design for specific HP models.
Size
Compact adapter for limited space.
Overall score
Specifications
| Spec | Official Raspberry Pi 5 27W USB-C Power Supply | IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply |
|---|---|---|
| Brand | Raspberry Pi | IESTAR |
| Type | Power Supply | Adapter |
| Cable Type | USB-C | N/A |
| Max Output | 27W | N/A |
| Target Users | Raspberry Pi Users | HP Users |
Dimension comparison
Overview of the Products
In this comparison, we explore the Official Raspberry Pi 5 27W USB-C Power Supply and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply. The Raspberry Pi power supply is priced at C$31.90, while the IESTAR adapter is significantly cheaper at C$10.66. This price difference reflects their distinct target markets and functionalities.
The Official Raspberry Pi 5 power supply is specifically designed to meet the power needs of the Raspberry Pi 5, providing stable power even under full loads. In contrast, the IESTAR adapter is a straightforward connector designed to convert a 24-pin ATX power supply to a 6-pin connection, serving a more limited purpose primarily for certain HP models.
Target Audience
The target audience for the Official Raspberry Pi 5 power supply is clear: it is aimed at Raspberry Pi users who require reliable power for high-demand applications. This includes hobbyists and developers looking to power peripherals like hard drives and SSDs, making it a versatile choice for extensive projects.
On the other hand, the IESTAR adapter is intended for users of specific HP desktop models, namely the Elite 8100, 8200, and 800G1. Its functionality is limited to these models, suggesting that it caters primarily to a niche market focused on older HP systems. With a narrower audience, it may not offer the same broad appeal as the Raspberry Pi power supply.
Power Specifications
The power specifications of the two products highlight their different capabilities. The Official Raspberry Pi 5 power supply offers a maximum output of 27W, with multiple profiles: 5.1V at 5A, 9V at 3A, 12V at 2.25A, and 15V at 1.8A. This ensures that it can handle a variety of power needs, making it suitable for both the Raspberry Pi 5 and other PD-compatible devices.
In stark contrast, the IESTAR adapter does not provide power on its own; it merely serves as a connector. Users must already have an ATX power supply to use it effectively. Therefore, while the Raspberry Pi power supply is a complete solution for powering a device, the IESTAR adapter relies on existing hardware, which may limit its appeal for those who do not already possess a compatible power supply.
Design and Build Quality
In terms of design and build quality, the Official Raspberry Pi 5 power supply is tailored for functionality and reliability. It features a USB Type-C connection and comes with a 1.2m 17AWG cable, ensuring that it meets the specific electrical requirements of the Raspberry Pi 5.
Conversely, the IESTAR adapter is a straightforward piece of hardware, designed primarily to connect two different power formats. It is 30cm long, which may provide adequate reach for some setups, but it lacks the robust design features of the Raspberry Pi power supply. This difference underscores the Raspberry Pi’s focus on quality and user experience compared to the more utilitarian approach of the IESTAR adapter.
Versatility
The versatility of the Official Raspberry Pi 5 power supply makes it a highly valuable product for Raspberry Pi users. Its ability to power not only the Raspberry Pi 5 but also other PD-compatible devices through its multiple voltage profiles allows for a wide range of applications. This adaptability is especially beneficial for users who may want to experiment with various peripherals.
In contrast, the IESTAR adapter's versatility is limited. It is specifically compatible with certain HP models and does not offer any additional features beyond the basic conversion of power supply formats. Users looking for a more flexible power solution may find the IESTAR adapter insufficient for their needs, especially when compared to the multifunctional Raspberry Pi power supply.
Price Comparison
Price plays a significant role in the decision-making process for consumers. The Official Raspberry Pi 5 power supply is priced at C$31.90, reflecting its advanced features and design tailored for high-performance applications. In comparison, the IESTAR adapter is priced at C$10.66, making it an appealing choice for those who need a basic power connection without the need for additional capabilities.
However, the lower price of the IESTAR adapter comes with trade-offs in functionality and versatility. While it serves a specific purpose, it lacks the comprehensive support and features that the Raspberry Pi power supply offers. Therefore, potential buyers should consider not only the upfront cost but also the value provided by each product in relation to their specific needs.
Customer Support and Warranty
Customer support and warranty services are crucial factors when considering a purchase. The Official Raspberry Pi brand typically offers robust customer support, reflecting its commitment to the community of Raspberry Pi users. This includes access to resources, forums, and potential warranty services, which can enhance the overall user experience.
The IESTAR adapter, while functional, may not offer the same level of customer support or warranty services. Given its specific application and target market, users may find limited resources available for troubleshooting or assistance. This disparity in customer support can be a deciding factor for users who value ongoing assistance with their purchases.
Which should you buy?
Choosing between the Official Raspberry Pi 5 27W USB-C Power Supply and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply depends largely on your specific needs. If you are a Raspberry Pi user requiring a reliable and versatile power source for various applications, the Official Raspberry Pi power supply at C$31.90 is the superior option. Its robust features and adaptability justify the higher price.
Conversely, if you are looking for a simple adapter for specific HP models at a low cost of C$10.66, the IESTAR adapter may suffice. However, it is essential to consider the limitations of its functionality and compatibility. Overall, the Official Raspberry Pi power supply emerges as the more comprehensive and valuable choice for a wider range of users.
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