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Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 vs JUSTOP Black ATX 500W PSU

Updated August 2026The Vetroo 1000W White Power Supply is a superior choice for high-performance needs, while the JUSTOP Black ATX 500W PSU is a budget-friendly option for basic use.

The Vetroo 1000W White Power Supply is a superior choice for high-performance needs, while the JUSTOP Black ATX 500W PSU is a budget-friendly option for basic use.

Why Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 is better

Power Output

Vetroo offers 1000W compared to JUSTOP's 500W.

Efficiency

Vetroo has 80 Plus Gold certification.

Modularity

Vetroo features a full modular design.

Why JUSTOP Black ATX 500W PSU is better

Price

JUSTOP is significantly cheaper at £22.50.

Safety Features

JUSTOP includes multiple protective features.

Size

JUSTOP is lighter and more compact.

Overall score

Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1
85
JUSTOP Black ATX 500W PSU
55

Specifications

SpecVetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1JUSTOP Black ATX 500W PSU
BrandVetrooJUSTOP
Certification80 Plus GoldNone
CoolingPremium Capacitors120mm Fan
Form FactorATXATX
CompatibilityATX 3.1Basic ATX

Dimension comparison

Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1JUSTOP Black ATX 500W PSU

Price Comparison

The Vetroo 1000W White Power Supply is significantly more expensive than the JUSTOP Black ATX 500W PSU, priced at £97.99 compared to JUSTOP’s budget-friendly £22.50. This notable price difference reflects the difference in power output and features. The Vetroo power supply offers a robust 1000W, which is ideal for high-performance systems, especially for gamers and PC builders who require extensive power for their components. In contrast, the JUSTOP PSU provides a maximum of 500W, which suits basic home or office desktop PCs without the need for high-end graphics cards or multiple drives. Thus, if budget is a primary concern, the JUSTOP PSU is a more economical choice.

Power Output

Power output is a critical factor when selecting a power supply, and here, the Vetroo 1000W White Power Supply excels with its 1000W capacity. This substantial power ensures that it can accommodate high-end gaming rigs or workstations that require significant energy, especially when running multiple GPUs or extensive peripherals. Meanwhile, the JUSTOP Black ATX 500W PSU, while sufficient for everyday computing tasks, may struggle to support power-hungry components. Its 500W rating makes it suitable for standard office applications, but for those looking to future-proof their systems or engage in gaming, the Vetroo’s higher wattage is undoubtedly advantageous.

Efficiency and Certification

The Vetroo 1000W White Power Supply boasts an 80 Plus Gold certification, indicating superior efficiency and reliability, which translates to lower energy costs and less heat generation during operation. This certification assures users that they are investing in a product that meets high standards for energy efficiency. In contrast, the JUSTOP PSU does not explicitly mention an energy efficiency certification, which could suggest it may not offer the same level of performance or savings as the Vetroo. For users prioritising energy efficiency, the Vetroo is the clear winner in this category.

Design and Modularity

In terms of design, the Vetroo 1000W White Power Supply features a full modular design, allowing users to connect only the cables they need. This not only aids in cable management but also helps to reduce clutter within the PC case, thus enhancing airflow and aesthetics. The JUSTOP Black ATX 500W PSU, however, comes with fully wired cables, which may lead to unnecessary cable clutter in systems that do not require all the connections provided. Users who value a neat and customisable setup will appreciate the modularity of the Vetroo, making it a more appealing option for those who enjoy building or upgrading their PCs.

Cooling System

Cooling is essential for maintaining system stability, and the Vetroo 1000W model is equipped with premium 105°C capacitors, which contribute to stable and cool operation under heavy loads. This feature is particularly important for high-performance systems that generate more heat. The JUSTOP PSU, while featuring a 120mm cooling fan, primarily targets standard desktop usage and may not provide the same level of thermal management under high-stress conditions. Users building high-end systems will likely benefit more from the advanced cooling capabilities of the Vetroo, ensuring their components operate within safe temperature ranges.

Compatibility and Future-Proofing

The Vetroo 1000W White Power Supply is fully compliant with ATX 3.1 specifications and is PCIe Gen 5.1 ready. This means that it can support the latest technologies and is backwards compatible with previous PCIe versions, making it a future-proof choice for gamers and PC enthusiasts. The JUSTOP Black ATX 500W PSU does not offer such advanced compatibility features, as it caters primarily to basic desktop setups. For users looking to upgrade their systems or invest in new technologies down the line, the Vetroo provides a more versatile and forward-thinking option.

Safety Features

Safety is paramount when it comes to power supplies, and the JUSTOP Black ATX 500W PSU includes several protective features such as over voltage protection, over power protection, short circuit protection, and thermal overload cut-off protection. These features ensure a safe operating environment for users. The Vetroo 1000W model, while not detailing its safety features, has established a reputation for reliability due to its quality construction and premium components. While both power supplies aim to protect users and their hardware, the explicit safety features of the JUSTOP PSU might appeal to those prioritising safety in basic setups.

Which should you buy?

In conclusion, the decision between the Vetroo 1000W White Power Supply and the JUSTOP Black ATX 500W PSU largely depends on your specific needs and budget. If you require a powerful, efficient, and future-proof power supply for high-performance gaming or workstations, the Vetroo is undoubtedly worth the investment at £97.99. However, if you are looking for a simple, budget-friendly solution for standard home or office use at just £22.50, the JUSTOP PSU provides adequate performance without unnecessary features. Ultimately, the choice hinges on whether you need high wattage and advanced capabilities or are seeking a cost-effective option for basic computing tasks.

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Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 vs JUSTOP Black ATX 500W PSU | versusfinder