JUSTOP Black 650W PSU vs PUSOKEI Power Supply for
Updated August 2026 — The JUSTOP Black 650W PSU is the superior choice for high-performance needs, while the PUSOKEI Power Supply is a budget-friendly option for Raspberry Pi users.
The JUSTOP Black 650W PSU is the superior choice for high-performance needs, while the PUSOKEI Power Supply is a budget-friendly option for Raspberry Pi users.
Why JUSTOP Black 650W PSU is better
power output
650W vs 15W for demanding systems
safety features
Includes multiple protection features
build quality
Has a cooling fan for better performance
Why PUSOKEI Power Supply for is better
price
£11.77 is significantly cheaper
weight
Lightweight and portable design
specific use
Designed specifically for Raspberry Pi
Overall score
Specifications
| Spec | JUSTOP Black 650W PSU | PUSOKEI Power Supply for |
|---|---|---|
| Brand | JUSTOP | PUSOKEI |
| Power Type | ATX | Micro USB |
| Output Voltage | 12V | 5V |
| Protection | Yes | No |
| Application | Desktop PCs | Raspberry Pi |
Dimension comparison
Overview of Power Supplies
When comparing power supplies, understanding their specifications and intended use is crucial. The JUSTOP Black 650W PSU is designed for desktop PCs, while the PUSOKEI Power Supply is tailored for Raspberry Pi models like the 3B+/3B/2B. The significant difference in wattage—650W for JUSTOP and 15W for PUSOKEI—highlights their distinct applications and power needs.
Price Comparison
The price difference between the two power supplies is substantial. The JUSTOP Black 650W PSU is priced at £29.99, while the PUSOKEI Power Supply is significantly cheaper at £11.77. This indicates that the JUSTOP model is aimed at users needing a higher power output for more demanding systems, whereas the PUSOKEI is an economical choice for less power-intensive devices.
Power Output and Stability
Power output is a critical factor when selecting a power supply. The JUSTOP Black 650W PSU offers a robust 650W, featuring a single 8-pin (4+4 pin) 12V rail that ensures stability and safer power output. In contrast, the PUSOKEI Power Supply delivers a stable 5V with a maximum of 3A, suitable for lower-demand devices. This makes the JUSTOP ideal for gaming or high-performance setups, while the PUSOKEI serves well for basic applications.
Build Quality and Design
In terms of build quality, the JUSTOP Black 650W PSU includes a 120mm cooling fan, which aids in maintaining optimal operating temperatures and prolonging the unit's lifespan. The PUSOKEI Power Supply, crafted from good-quality plastic, is lightweight and resistant to corrosion, although it lacks the advanced cooling features of its counterpart. Each product presents its strengths in design suited to its purpose, with JUSTOP prioritising performance and PUSOKEI focusing on durability and practicality.
Safety Features
Safety is paramount in power supply design, and the JUSTOP Black 650W PSU excels in this area. It includes features such as over voltage protection, over power protection, short circuit protection, and thermal overload cut-off protection. This comprehensive safety suite is vital for users seeking reliability in high-performance setups. The PUSOKEI Power Supply does not explicitly mention safety features, so it's unclear how it compares in this regard, which could be a consideration for potential buyers.
Compatibility
Compatibility is another essential aspect when choosing a power supply. The JUSTOP Black 650W PSU is compatible with a variety of desktop components, making it versatile for custom builds. Conversely, the PUSOKEI Power Supply is specifically designed for Raspberry Pi models (3B+/3B/2B), meaning it excels in that niche but lacks broader compatibility. Users should consider their specific needs to determine which power supply aligns with their devices.
User Experience and Application
The intended applications for these power supplies are distinctly different. The JUSTOP Black 650W PSU is equipped for high-performance desktop PCs, making it suitable for gamers or professionals requiring substantial power. The PUSOKEI Power Supply, on the other hand, is ideal for casual users with Raspberry Pi setups, providing sufficient power for basic tasks. Understanding these use cases can guide buyers toward the most appropriate option for their needs.
Which should you buy?
Choosing between the JUSTOP Black 650W PSU and the PUSOKEI Power Supply ultimately depends on your specific requirements. If you need a powerful and reliable power supply for a desktop PC, with extensive safety features and cooling capabilities, the JUSTOP at £29.99 is the clear winner. However, if you are looking for a budget-friendly option for a Raspberry Pi device, the PUSOKEI Power Supply at £11.77 offers excellent value. Consider your device's power needs and intended use to make the best choice.
versusfinder.com is a participant in the Amazon Services LLC Associates Programme and the Amazon EU Associates Programme. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

