Raspberry Pi 15W USB-C Power Supply US - Black vs IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply
Updated August 2026 — The Raspberry Pi power supply is the better choice for Raspberry Pi users, while the IESTAR adapter is a budget-friendly option for specific HP models.
The Raspberry Pi power supply is the better choice for Raspberry Pi users, while the IESTAR adapter is a budget-friendly option for specific HP models.
Why Raspberry Pi 15W USB-C Power Supply US - Black is better
power output
Raspberry Pi supply delivers 15.3 watts.
compatibility
Designed specifically for Raspberry Pi 4 Model B.
ease of use
Plug-and-play design for quick setup.
Why IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply is better
price
IESTAR adapter is cheaper at C$10.66.
specific use
Tailored for HP Elite models.
length
30 cm length for specific installations.
Overall score
Specifications
| Spec | Raspberry Pi 15W USB-C Power Supply US - Black | IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply |
|---|---|---|
| Brand | Raspberry Pi | IESTAR |
| ASIN | B07W8XHMJZ | B08DHW315H |
| Input Voltage | 5.1V | N/A |
| Amperage | 3A | N/A |
| Usage | Raspberry Pi 4 | HP Elite models |
Dimension comparison
Overview of the Products
The Raspberry Pi 15W USB-C Power Supply US - Black and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply serve different functions within the realm of power supplies. The Raspberry Pi power supply is designed specifically for the Raspberry Pi 4 Model B, while the IESTAR adapter is intended for specific HP Elite models. This distinction is crucial for users deciding which product best meets their needs.
The Raspberry Pi power supply comes at a price of C$20.35, providing 15.3 watts of power through a USB-C connector. In contrast, the IESTAR adapter is more budget-friendly, priced at C$10.66, but is limited to specific HP Elite models. Understanding these differences helps clarify which product might be more suitable based on individual requirements.
Design and Build Quality
In terms of design, the Raspberry Pi power supply is compact and lightweight, weighing only 3.84 ounces. It features a USB-C connector, which is standard for modern devices, making it user-friendly and convenient. The cable length of 1.5 meters allows for flexible placement of devices, enhancing usability.
On the other hand, the IESTAR power adapter is designed to connect an ATX power supply to specific HP Elite models. While it is not as compact as the Raspberry Pi power supply, its 30 cm length is tailored for easy installation within compatible systems. The build quality is functional but less versatile compared to the Raspberry Pi's sleek design.
Compatibility
Compatibility is a significant factor when choosing between these two products. The Raspberry Pi power supply is explicitly designed for the Raspberry Pi 4 Model B, ensuring that it meets the power requirements effectively. This makes it an optimal choice for Raspberry Pi users seeking reliable performance.
Conversely, the IESTAR adapter is specifically compatible with the HP Elite 8100, 8200, and 800G1 models, with a clear warning that it cannot be used with the HP Z230. This limited compatibility may restrict its appeal to users who own non-HP systems or different models within the HP lineup.
Performance and Power Output
The performance of the Raspberry Pi power supply is robust, delivering a steady 5.1 volts and 3 amps, which equates to a total power output of 15.3 watts. This output is designed to meet the demands of the Raspberry Pi 4 Model B, ensuring optimal performance during operation.
In contrast, the IESTAR adapter does not provide an independent power output value, as it relies on the ATX power supply it connects to. Thus, its performance is contingent upon the power supply it is used with. For users of compatible HP models, it serves as a crucial connection but lacks the direct power specifications that the Raspberry Pi power supply boasts.
Pricing Comparison
When comparing the pricing, the Raspberry Pi power supply is priced at C$20.35, reflecting its more specialized design and functionality. In comparison, the IESTAR adapter is significantly cheaper at C$10.66, making it a more economical choice for users needing a straightforward connection to their HP Elite systems.
However, the price differences also indicate the varying functionalities of the two products. The Raspberry Pi power supply offers a complete solution for powering the Raspberry Pi 4 Model B, while the IESTAR adapter serves a more niche market, which may justify its lower price point for those who need it.
User Experience and Ease of Use
User experience plays a vital role in the overall satisfaction with a product. The Raspberry Pi power supply is designed for ease of use, with its plug-and-play nature making it simple for users to connect their Raspberry Pi 4 Model B without any hassle. The user-friendly design and the long cable length enhance the overall experience.
In contrast, the IESTAR adapter requires some knowledge of PC building to install correctly. While it connects easily to compatible HP systems, users must ensure they possess the appropriate power supply and understand how to integrate it correctly. This complexity may deter less experienced users from choosing this option.
Availability and Purchase Options
Both the Raspberry Pi power supply and the IESTAR adapter are available for purchase, but their availability may vary based on location and retailer. The Raspberry Pi power supply is often stocked at electronics retailers that specialize in Raspberry Pi products, ensuring users can find it relatively easily.
The IESTAR adapter might be more challenging to locate, as it is specific to certain HP models. Users may need to explore specialized online retailers or marketplaces to find it. This factor can influence the decision for potential buyers, especially if immediate availability is a concern.
Which should you buy?
Ultimately, the decision between the Raspberry Pi 15W USB-C Power Supply US - Black and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply hinges on individual needs. For those who own a Raspberry Pi 4 Model B, the Raspberry Pi power supply is the clear choice due to its compatibility, power output, and ease of use. Its design is tailored specifically for this device, ensuring optimal performance.
Conversely, if you own a compatible HP Elite model and need a straightforward power connection, the IESTAR adapter offers a budget-friendly solution. However, it is essential to consider the limited compatibility and potential complexities involved in installation. In summary, assess your specific requirements and choose the product that best aligns with your systems and usage scenarios.
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