GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4 vs IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply
Updated August 2026 — The GeeekPi power supply is a better choice for Raspberry Pi users due to its higher power output and safety features, while the IESTAR adapter is more budget-friendly but limited in use.
The GeeekPi power supply is a better choice for Raspberry Pi users due to its higher power output and safety features, while the IESTAR adapter is more budget-friendly but limited in use.
Why GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4 is better
power output
GeeekPi provides 18W output compared to IESTAR's unspecified output
safety features
GeeekPi has multiple certifications and protections
convenience
GeeekPi includes an ON/OFF switch for easy use
Why IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply is better
price
IESTAR is more affordable at C$10.66
specific use
IESTAR is designed for specific HP models
compact size
IESTAR is smaller and may fit in tighter spaces
Overall score
Specifications
| Spec | GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4 | IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply |
|---|---|---|
| Brand | GeeekPi | IESTAR |
| Current | 3.6A | N/A |
| Voltage | 5V | N/A |
| Cord Length | 120cm | 30cm |
| Certifications | Yes | No |
Dimension comparison
Overview of the Products
In this comparison, we will examine the GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4 and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply. The former is priced at C$16.99, while the latter is more budget-friendly at C$10.66. Both products serve distinct needs in the realm of power supplies, making it essential to consider their features and specifications.
Intended Use
The primary difference between these two products lies in their intended use. The GeeekPi power supply is specifically designed for the Raspberry Pi 4 and also supports the Raspberry Pi 3B+ and 3B with a compatible adapter. This makes it ideal for enthusiasts and developers working with Raspberry Pi systems. In contrast, the IESTAR power adapter is tailored for specific HP desktop models, namely the Elite 8100, 8200, and 800G1. Its specialised purpose limits its versatility compared to the more universally applicable GeeekPi power supply.
Power Output and Compatibility
The GeeekPi power supply boasts an output of 5V at 3.6A, providing a total power capacity of 18W. This level of power ensures that the Raspberry Pi operates smoothly and stably, which is crucial for resource-intensive projects. On the other hand, the IESTAR adapter does not specify a power output but is designed to convert a 24-pin ATX connection to a 6-pin PCI-E connection for specific HP models. This makes it less suitable for users looking for a high-output solution for devices like Raspberry Pis.
Certifications and Safety Features
When it comes to safety and reliability, the GeeekPi power supply holds several professional certifications, including UL Listed Certification, TUV, and RoHS certification. Additionally, it features multiple protection functions such as over voltage protection, under voltage protection, over temperature protection, over current protection, and short circuit protection. These certifications and safety features provide users with peace of mind while powering their devices. In contrast, the IESTAR adapter does not mention any certifications or protection features, which may raise concerns about its reliability when used with sensitive equipment.
Convenience Features
The GeeekPi power supply stands out with its built-in ON/OFF switch, allowing users to easily power their Raspberry Pi on and off without needing to unplug the device. This feature adds a layer of convenience, especially for those who frequently switch their projects on and off. The IESTAR adapter does not offer any similar convenience features, making it a more cumbersome option for users who may need to frequently connect and disconnect their power supply.
Length and Installation
The GeeekPi power supply comes with a generous 120cm cord, providing ample length for various setups, especially if the Raspberry Pi is situated away from a power outlet. This extended reach can simplify installation and arrangement in a workspace. Conversely, the IESTAR adapter measures only 30cm, which may limit its flexibility in certain installations. Users with less space may find the shorter length of the IESTAR adapter to be a hindrance.
Price Comparison
The price difference between the two products is notable, with the GeeekPi power supply retailing for C$16.99 and the IESTAR adapter at a lower price of C$10.66. While the IESTAR adapter is more affordable, it is essential to consider what features and capabilities are included with each product. The higher price of the GeeekPi product reflects its specific design, higher power output, and added safety features, making it a worthwhile investment for Raspberry Pi users.
Customer Base
The target audience for the GeeekPi power supply primarily includes Raspberry Pi enthusiasts, developers, and hobbyists who require a reliable power source for their projects. Its stability and safety features make it a preferred choice for complex tasks. Conversely, the IESTAR adapter is aimed at users of specific HP desktop models, limiting its appeal to a niche market. This distinction is critical for potential buyers to consider based on their individual needs and equipment.
Which should you buy?
In conclusion, the choice between the GeeekPi 18W 5V 3.6A Power Supply for Raspberry Pi 4 and the IESTAR ATX Main 24 Pin Female to 6 Pin Male 6 Pin PCI-E PSU Power Adapter Supply largely depends on your specific requirements. If you are a Raspberry Pi user seeking a reliable, certified power supply with safety features and added convenience, the GeeekPi power supply is the clear winner at C$16.99. However, if you are in need of a budget-friendly adapter for specific HP models, the IESTAR adapter at C$10.66 may suffice, albeit with limitations. Ultimately, assess your needs carefully to make an informed decision.
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