JUSTOP Black ATX 500W PSU vs 2Pack 24V/12V to 5V 5A Power Buck Converter 12V to 5V DC-DC Power Down Module Po
Updated August 2026 — The JUSTOP Black ATX 500W PSU is a robust power supply for desktop PCs, while the 2Pack converter is a versatile option for portable devices. Choose based on your specific power needs.
The JUSTOP Black ATX 500W PSU is a robust power supply for desktop PCs, while the 2Pack converter is a versatile option for portable devices. Choose based on your specific power needs.
Why JUSTOP Black ATX 500W PSU is better
Power Output
500W output for demanding PC components
Safety Features
Comprehensive protection mechanisms
Build Quality
Designed for desktop PC compatibility
Why 2Pack 24V/12V to 5V 5A Power Buck Converter 12V to 5V DC-DC Power Down Module Po is better
Price
More affordable at £6.49
Portability
Compact and lightweight design
Ease of Use
Plug-and-play functionality for various devices
Overall score
Specifications
| Spec | JUSTOP Black ATX 500W PSU | 2Pack 24V/12V to 5V 5A Power Buck Converter 12V to 5V DC-DC Power Down Module Po |
|---|---|---|
| Wattage | 500W | 30W (max) |
| Form Factor | ATX | N/A |
| Connectors | 20+4 pin, SATA | USB, DC plugs |
| Cooling | 120mm Fan | N/A |
| Protection | Over voltage, short circuit | Anti-static |
Dimension comparison
Overview of the Products
The JUSTOP Black ATX 500W PSU and the 2Pack 24V/12V to 5V 5A Power Buck Converter are both power supply solutions, but they serve different purposes and target different user needs. The JUSTOP Black ATX 500W PSU, priced at £22.50, is designed primarily for desktop PCs, providing stable power and essential protections. In contrast, the Voltrique 2Pack converter, at £6.49, is aimed at users needing to convert voltage for portable devices, allowing for flexibility in various electronic applications.
Power Output and Performance
The JUSTOP Black ATX 500W PSU delivers a robust 500W output, making it suitable for powering home or office desktops without the need for PCIe connectors. It includes features such as over voltage protection and thermal overload cut-off, ensuring a reliable performance for demanding PC components. On the other hand, the 2Pack converter provides a variable output, depending on the input voltage, ranging from 5.2V/6A at 9-24V input to 5.2V/3.5A at 32-36V input. This adaptability allows for stable power supply across various devices, although its maximum output is considerably lower than the PSU’s 500W capability.
Design and Build Quality
The design of the JUSTOP Black ATX 500W PSU includes a sleek black colour that complements most computer setups, while also featuring an efficient 120mm cooling fan to maintain optimal operating temperatures. It is made to fit standard ATX form factors, ensuring compatibility with various desktop cases. The 2Pack converter, on the other hand, is compact and lightweight, with dimensions of 63 × 27 × 10mm, making it portable and easy to integrate into multiple setups. However, it lacks the robust build quality associated with traditional PC power supplies, given its focus on flexibility and portability.
Compatibility and Use Cases
The JUSTOP Black ATX 500W PSU is primarily compatible with desktop PCs, supporting various connectors like 20+4 pin, 4+4 pin, and multiple SATA connections, which makes it ideal for building or upgrading desktop systems. Its range of connectors ensures that it meets the needs of most standard ATX builds. In contrast, the 2Pack converter is designed for a wider range of electronic devices, including smartphones and tablets, due to its built-in fast charging recognition chip. This feature allows it to support various Android and iOS devices, making it a versatile choice for users needing to power or charge multiple gadgets.
Safety Features
Safety is a critical aspect when considering power supplies, and the JUSTOP Black ATX 500W PSU does not disappoint. It boasts several protective features, including over voltage protection, over power protection, short circuit protection, and thermal overload cut-off. These features ensure a safe operating environment for both the PSU and connected devices. The 2Pack converter also includes safety measures, such as anti-static packaging to protect the module during transport. However, it lacks the comprehensive safety features found in the JUSTOP PSU, making it less suitable for high-stakes applications.
Price and Value for Money
In terms of pricing, the JUSTOP Black ATX 500W PSU is available for £22.50, providing significant power output and reliability for desktop systems. The investment is justifiable for users requiring a stable power foundation for computer components. On the other hand, the 2Pack converter is priced at £6.49, making it an affordable solution for those needing a quick and flexible power conversion option for smaller devices. While the PSU offers better performance and safety features, the 2Pack converter provides excellent value for users with specific and less demanding power needs.
User Experience and Installation
The installation process for the JUSTOP Black ATX 500W PSU is straightforward for users familiar with building desktop PCs, as it connects to various components with ease. The included connectors are adequately long, ensuring that they can reach necessary locations within the case. The 2Pack converter, meanwhile, is designed for easy integration into various electronic devices, featuring multiple interface options like USB ports and DC plugs. Its plug-and-play functionality allows users to set it up without additional adapters, catering to those who may not have extensive technical knowledge.
Which should you buy?
Choosing between the JUSTOP Black ATX 500W PSU and the 2Pack 24V/12V to 5V 5A Power Buck Converter ultimately depends on your specific power needs. If you're building or upgrading a desktop PC and require a reliable, high-output power supply with numerous safety features, the JUSTOP PSU is the clear choice at £22.50. Conversely, if you need a compact, cost-effective solution for charging devices or powering small electronics, the 2Pack converter at £6.49 offers great versatility and ease of use. Each product serves its purpose effectively, so consider your requirements to make the best decision.
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