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GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off Switch vs JUSTOP Black ATX 500W PSU

Updated August 2026The GeeekPi USB-C Power Supply is ideal for Raspberry Pi users seeking an affordable and efficient option, while the JUSTOP Black ATX PSU is better suited for those needing higher power for desktop PCs.

The GeeekPi USB-C Power Supply is ideal for Raspberry Pi users seeking an affordable and efficient option, while the JUSTOP Black ATX PSU is better suited for those needing higher power for desktop PCs.

Why GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off Switch is better

lower price

GeeekPi costs £11.99 compared to JUSTOP's £22.50

compact design

GeeekPi is designed specifically for Raspberry Pi devices

user-friendly

GeeekPi features an on/off switch for convenience

Why JUSTOP Black ATX 500W PSU is better

higher power output

JUSTOP provides 500W compared to GeeekPi's 18W

desktop compatibility

JUSTOP is suitable for various desktop PCs

better safety features

JUSTOP has multiple safety certifications and protections

Overall score

GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off Switch
75
JUSTOP Black ATX 500W PSU
85

Specifications

SpecGeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off SwitchJUSTOP Black ATX 500W PSU
BrandGeeekPiJUSTOP
Input Voltage100-240V200-240V
Output Voltage5V12V
Protection FeaturesYesYes
CertificationUKCA, RoHSUKCA, CE, FCC, UL

Dimension comparison

GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off SwitchJUSTOP Black ATX 500W PSU

Overview of the Products

The GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 and the JUSTOP Black ATX 500W PSU cater to different power needs, with the former designed specifically for Raspberry Pi devices and the latter for general desktop PC use. The GeeekPi power supply is priced at £11.99, while the JUSTOP unit costs £22.50. This significant price difference reflects their distinct applications and features, making it essential to evaluate their suitability based on your specific requirements.

Intended Use and Compatibility

The GeeekPi USB-C Power Supply is tailored for Raspberry Pi 4 models and is compatible with various versions, including the 1GB, 2GB, 4GB, and 8GB models, along with other devices like the Orange Pi. In contrast, the JUSTOP Black ATX 500W PSU is designed for desktop PCs without requiring PCIe connectors, making it suitable for home or office setups. Each product excels in its domain, with the GeeekPi focusing on low-power, single-board computers, while the JUSTOP caters to higher power demands typical of desktop systems.

Power Output and Efficiency

The GeeekPi power supply delivers a stable output of 5V at 3.6A, resulting in a maximum power output of 18W, ideal for powering Raspberry Pi devices effectively. On the other hand, the JUSTOP Black ATX PSU provides a significantly higher power output of 500W, making it capable of supporting multiple components in a desktop PC. This stark contrast in power output clearly indicates that users should choose based on their power needs; the GeeekPi is optimal for lighter applications, whereas the JUSTOP is suited for more extensive setups requiring higher wattage.

Design and Features

The GeeekPi power supply stands out with its practical design, including an on/off switch that allows users to easily control the power without needing to unplug the device. In addition to its user-friendly features, it comes with multiple protection functions, ensuring safe operation. Conversely, the JUSTOP PSU features a 120mm cooling fan to keep the unit cool during operation, along with several safety certifications such as UKCA, CE, and FCC. Each power supply offers unique design advantages; the GeeekPi is more convenient for Raspberry Pi users, while the JUSTOP focuses on providing stability and safety for desktop environments.

Safety and Certification

Safety is paramount in power supplies, and both the GeeekPi and JUSTOP models come with various protective features. The GeeekPi power supply includes over-current, short-circuit, and over-voltage protection, ensuring safe usage for Raspberry Pi devices. The JUSTOP PSU, meanwhile, boasts a robust safety profile with over-voltage protection, over-power protection, and thermal overload cut-off protection. Both products hold certifications, with the GeeekPi being UKCA and RoHS certified, while the JUSTOP is certified by multiple safety agencies. These features are critical for users who prioritise reliability and safety in their electronic devices.

Price Consideration

The GeeekPi USB-C Power Supply is priced at £11.99, making it an economical choice for those specifically looking to power Raspberry Pi devices. The JUSTOP Black ATX PSU, however, is more expensive at £22.50, reflecting its higher power output and broader compatibility with desktop systems. While the price difference is evident, it is important to consider the intended use; the GeeekPi is a cost-effective solution for Raspberry Pi users, whereas the JUSTOP offers more value for users needing substantial power for their desktop setups.

Customer Support and Warranty

The JUSTOP PSU offers a one-year manufacturer warranty, providing users with peace of mind regarding product reliability and support. While the GeeekPi power supply's warranty specifics are not detailed, the quality assurance through its professional certifications suggests a commitment to customer satisfaction. For users who value the assurance of a warranty and customer support, the JUSTOP unit may have an advantage, particularly for those investing in larger, more complex systems.

Which should you buy?

Choosing between the GeeekPi USB-C Power Supply and the JUSTOP Black ATX 500W PSU ultimately depends on your specific needs. If you're looking for an efficient and affordable power supply for a Raspberry Pi, the GeeekPi at £11.99 is an excellent choice, especially with its user-friendly features and safety protections. However, if you require a robust power supply for a desktop PC that supports multiple components, the JUSTOP at £22.50 provides significantly higher power output and additional certifications for safety. Assess your power requirements and intended use to determine which product aligns best with your setup.

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GeeekPi USB-C Power Supply UK Plug for Raspberry Pi 4 With On/Off Switch vs JUSTOP Black ATX 500W PSU | versusfinder