iRasptek 27W USB-C Power Supply with PD for Raspberry Pi 5(5.1V/5A) vs IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply
Updated August 2026 — The iRasptek 27W USB-C Power Supply offers superior versatility, power delivery, and compliance, making it the better choice for most users, while the IESTAR adapter suits niche HP Elite models with a lower price.
The iRasptek 27W USB-C Power Supply offers superior versatility, power delivery, and compliance, making it the better choice for most users, while the IESTAR adapter suits niche HP Elite models with a lower price.
Why iRasptek 27W USB-C Power Supply with PD for Raspberry Pi 5(5.1V/5A) is better
Power Delivery
iRasptek supports USB PD with multiple profiles and automatic current limit increase
Compatibility
iRasptek powers Raspberry Pi 5 and various PD devices; IESTAR limited to specific HP models
Compliance
iRasptek meets regional and international safety standards; IESTAR lacks certifications
Why IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply is better
Price
IESTAR costs C$10.66, significantly cheaper than iRasptek's C$21.99
Simplicity
IESTAR provides a straightforward adapter function for specific HP Elite systems
Compact Length
IESTAR cable length is 30cm, shorter than iRasptek's 1.5m
Overall score
Specifications
| Spec | iRasptek 27W USB-C Power Supply with PD for Raspberry Pi 5(5.1V/5A) | IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply |
|---|---|---|
| Price | C$21.99 | C$10.66 |
| Output Voltage/Current | 5.1V/5A, 9V/3A, 12V/2.25A, 15V/1.8A | N/A (adapter only) |
| Compatibility | Raspberry Pi 5 and PD devices | HP Elite 8100, 8200, 800G1 only |
| Cable Length | 1.5m | 30cm |
| Compliance | Regional and international standards met | Not specified |
| Support | Email support available | No support mentioned |
| Function | Power supply with USB PD | 24-pin to 6-pin power adapter |
Dimension comparison
Overview of the Products
When it comes to power supplies, the iRasptek 27W USB-C Power Supply with PD for Raspberry Pi 5 and the IESTAR ATX Main 24 Pin Female to 6 Pin Male Power Adapter are two distinct options catering to different needs. The iRasptek power supply is specifically designed for the Raspberry Pi 5, offering versatile power delivery, while the IESTAR adapter is a more niche product aimed at specific HP Elite models.
The iRasptek is priced at C$21.99, showing its premium features, while the IESTAR adapter is more budget-friendly at C$10.66. This price difference reflects the iRasptek's advanced capabilities compared to the more straightforward function of the IESTAR product.
Compatibility and Use Cases
The iRasptek 27W USB-C Power Supply is designed for Raspberry Pi 5, making it an ideal choice for users who need to power high-demand peripherals like hard drives and SSDs. Its versatility is expanded by its compatibility with a range of power profiles, providing outputs of 5.1V/5A, 9V/3A, 12V/2.25A, and 15V/1.8A.
In contrast, the IESTAR adapter is specifically compatible with HP Elite 8100, 8200, and 800G1 models. It serves a singular purpose of converting a 24-pin ATX power supply connector to a 6-pin power supply, which limits its usability outside of these specific devices. Thus, while the iRasptek boasts broader compatibility, the IESTAR is tailored for a more focused application, catering to users with specific HP Elite systems.
Power Delivery and Output
The iRasptek 27W USB-C Power Supply excels in power delivery, supporting automatic power negotiation through USB PD technology. This means it can dynamically increase the power limit from the default 600mA to 1.6A when needed, ensuring that connected devices receive adequate power. The maximum output of 5.1V at 5A is particularly advantageous for users who require substantial energy for peripherals.
On the other hand, the IESTAR adapter does not provide power delivery features. Its primary function is to enable connectivity between the 24-pin and 6-pin connectors without any intelligent power management. Therefore, while the iRasptek is well-suited for high-power applications, the IESTAR simply facilitates compatibility, lacking the advanced features offered by its competitor.
Cable Length and Quality
The iRasptek power supply includes a 1.5m cable with a 17AWG rating, indicating a solid build quality that ensures efficient power transmission. The length allows for flexible placement of the Raspberry Pi and connected peripherals without being constrained by cable reach.
In contrast, the IESTAR adapter is relatively short at 30cm, which may limit how users can position their equipment. The lack of additional specifications regarding cable quality suggests that it may not provide the same level of performance assurance as the iRasptek's cable. Thus, for users prioritizing cable length and quality, the iRasptek clearly stands out.
Compliance and Safety Standards
The iRasptek 27W USB-C Power Supply has undergone extensive compliance testing and meets various regional and international standards, providing peace of mind regarding safety and reliability. This is crucial for users who want to ensure that their power supply operates safely and effectively with their devices.
On the other hand, the IESTAR adapter does not mention any compliance or safety certifications in its product description. This lack of information may raise concerns about its reliability and safety when used in powering sensitive electronic devices. Therefore, the iRasptek offers a more reassuring option for those who value compliance and safety in their power supplies.
Price Point Analysis
At C$21.99, the iRasptek 27W USB-C Power Supply is positioned as a premium option in the power supply market. Its advanced features, including multiple power profiles and extensive compliance testing, justify its higher price point. Users looking for a reliable power source for demanding applications may find the investment worthwhile.
Conversely, the IESTAR adapter is significantly more affordable at C$10.66, catering to budget-conscious consumers or those needing a simple solution for specific HP Elite models. However, the lower price also reflects its limited functionality and niche compatibility. Therefore, while the iRasptek may be a better long-term investment for versatility, the IESTAR serves well for users with more basic needs.
User Experience and Support
iRasptek provides customer support through email, allowing users to seek assistance if needed. This level of service can enhance the user experience, especially for individuals who may have questions about compatibility or features.
In contrast, the IESTAR adapter does not mention any customer support options in its product description. This absence of support may lead to uncertainty for users who require guidance during installation or troubleshooting. Thus, for those prioritizing user experience and potential support, the iRasptek is the more favourable choice.
Which should you buy?
In conclusion, the choice between the iRasptek 27W USB-C Power Supply and the IESTAR ATX Main 24 Pin Female to 6 Pin Male Power Adapter ultimately depends on your specific needs. If you require a robust, versatile power supply capable of supporting high-demand peripherals for the Raspberry Pi 5, the iRasptek is the clear winner with its superior features and compliance standards.
However, if you are looking for a basic, cost-effective solution specifically for compatible HP Elite models, the IESTAR adapter may suffice. Keep in mind its limitations in terms of power delivery and support. For the best overall value and functionality, the iRasptek is recommended for most users.
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