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GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5B vs ATX Power Supply Tester

Updated August 2026The GeeekPi Power Supply is ideal for Raspberry Pi users, while the ATX Power Supply Tester is better for diagnosing power supplies. Choose based on your specific needs.

The GeeekPi Power Supply is ideal for Raspberry Pi users, while the ATX Power Supply Tester is better for diagnosing power supplies. Choose based on your specific needs.

Why GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5B is better

power output

Provides stable 5V 4A for Raspberry Pi

certifications

UL Listed, TUV, and RoHS certified

protection features

Includes multiple safety protections

Why ATX Power Supply Tester is better

price

More affordable at C$17.99

diagnostic function

Tests various computer power supplies

user-friendly

Intuitive LCD display for voltage monitoring

Overall score

GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5B
85
ATX Power Supply Tester
70

Specifications

SpecGeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5BATX Power Supply Tester
BrandGeeekPiVBESTLIFE
Voltage5VN/A
Current4AN/A
DisplayN/ALCD
ProtectionYesNo

Dimension comparison

GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5BATX Power Supply Tester

Price Comparison

The GeeekPi 20W 5V 4A Power Supply is priced at C$31.40, while the ATX Power Supply Tester is significantly more affordable at C$17.99. This difference of C$13.41 makes the ATX Power Supply Tester a more budget-friendly option. However, the pricing reflects the distinct functions and target audiences of each product. The GeeekPi Power Supply is specifically designed for powering Raspberry Pi and Orange Pi devices, offering a dedicated solution for users of those platforms. In contrast, the ATX Power Supply Tester serves a broader purpose, aimed at users who need to diagnose and test various computer power supplies.

Functionality

The key functionality of the GeeekPi Power Supply is to provide stable power to Raspberry Pi and Orange Pi devices. It delivers 5V at 4A, ensuring a total output of 20W, which is essential for the smooth operation of these single-board computers. On the other hand, the ATX Power Supply Tester is designed to monitor and evaluate the performance of ATX, BTX, ITX, and TFX power supplies. It features an LCD display that shows voltage outputs, making it an indispensable tool for technicians and DIY enthusiasts who need to ensure their computer power supplies are functioning properly. The contrasting functionalities highlight that the choice between these two products largely depends on the user's specific needs.

Compatibility

The GeeekPi Power Supply is compatible with Raspberry Pi 4, Raspberry Pi 3B+, and Orange Pi 5/5B. This tailored compatibility makes it an excellent choice for users deeply embedded in the Raspberry Pi ecosystem. In comparison, the ATX Power Supply Tester can connect to various types of computer power supplies, including ATX and BTX. It can measure output voltages and identify potential issues quickly, serving a broad range of users who might not be specifically focused on a single type of device. This difference in compatibility underscores the specific application of the GeeekPi Power Supply versus the versatile nature of the ATX Power Supply Tester.

Certifications

The GeeekPi Power Supply boasts multiple professional certifications, including UL Listed Certification, TUV, and RoHS Certification. These certifications ensure that the power supply adheres to safety and quality standards, providing peace of mind for users who prioritize reliable performance. Conversely, the ATX Power Supply Tester does not list any specific certifications in its description, focusing instead on its practical functionality. The presence of certifications in the GeeekPi Power Supply may be a deciding factor for buyers who value safety and reliability in their products, particularly in powering sensitive electronics.

Design and Usability

The GeeekPi Power Supply features an extended cord length of 120cm and includes a convenient ON/OFF switch, enhancing its usability for Raspberry Pi users. The design is straightforward, catering specifically to those who need a reliable power source for their projects. In contrast, the ATX Power Supply Tester features an LCD display that provides clear information about output voltages and alerts users with a buzzer in case of abnormalities. This design prioritizes intuitive usage for diagnosing power supply issues, making it user-friendly for both novices and experienced technicians. The practical design elements of both products serve their intended purposes effectively but cater to different user experiences.

Protection Features

The GeeekPi Power Supply includes multiple protection features, such as over-voltage protection, under-voltage protection, over-temperature protection, over-current protection, and short circuit protection. These multiple safeguards ensure that devices connected to the power supply are protected from potential damage. On the other hand, the ATX Power Supply Tester does not specifically mention protection features, focusing instead on its ability to detect and alert users to power supply issues. The comprehensive protection features of the GeeekPi Power Supply may appeal more to users concerned about the safety of their devices, while the ATX Power Supply Tester prioritizes diagnostic capabilities.

Target Audience

The GeeekPi Power Supply primarily targets hobbyists and developers working with Raspberry Pi and Orange Pi devices. Its specific design and features cater to users who require a reliable power source for their projects. In contrast, the ATX Power Supply Tester targets a broader audience, including computer builders, technicians, and anyone who needs to assess the functionality of various power supplies. This difference in target audience highlights the distinct niches each product serves, making the decision largely dependent on the user's specific needs and objectives.

Which should you buy?

Choosing between the GeeekPi 20W 5V 4A Power Supply and the ATX Power Supply Tester ultimately comes down to your specific requirements. If you are looking for a reliable power source for Raspberry Pi or Orange Pi devices, the GeeekPi Power Supply, with its robust output and safety features, is a solid choice at C$31.40. However, if your goal is to test and diagnose computer power supplies, the ATX Power Supply Tester offers excellent functionality at a lower price of C$17.99. Consider your usage needs carefully, as each product is designed for different applications, ensuring that you choose the right tool for your situation.

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GeeekPi 20W 5V 4A Power Supply for Raspberry Pi 4/Orange Pi 5/5B vs ATX Power Supply Tester | versusfinder