Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 vs JUSTOP Black 700W Power Supply Unit ATX PSU With 120MM Quiet Fan
Updated August 2026 — The Vetroo 1000W Power Supply is the superior choice for high-performance systems, while the JUSTOP 700W is a budget-friendly option for standard builds.
The Vetroo 1000W Power Supply is the superior choice for high-performance systems, while the JUSTOP 700W is a budget-friendly option for standard builds.
Why Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 is better
Higher Wattage
Vetroo offers 1000W compared to JUSTOP's 700W
Efficiency Rating
Vetroo is 80 Plus Gold Certified, while JUSTOP is 70% efficient
Modular Design
Vetroo features a full modular design for better cable management
Why JUSTOP Black 700W Power Supply Unit ATX PSU With 120MM Quiet Fan is better
Lower Price
JUSTOP is priced at £29.95, significantly cheaper than Vetroo
Noise Level
JUSTOP has a 120mm quiet fan for reduced noise
Basic Protections
JUSTOP includes multiple safety features like over voltage protection
Overall score
Specifications
| Spec | Vetroo 1000W White Power Supply ATX 3.1 Ready Dual PCIe 5.1 | JUSTOP Black 700W Power Supply Unit ATX PSU With 120MM Quiet Fan |
|---|---|---|
| Brand | Vetroo | JUSTOP |
| Price | £97.99 | £29.95 |
| Safety Features | Comprehensive | Basic |
| Compatibility | ATX 3.1 | ATX 12V v.2.3 |
| Cooling Type | Not specified | 120mm fan |
Dimension comparison
Price Comparison
The Vetroo 1000W White Power Supply is priced at £97.99, while the JUSTOP Black 700W Power Supply Unit is significantly cheaper at £29.95. This stark difference in pricing reflects the varying power outputs and features of the two products. The Vetroo offers a much higher wattage, making it suitable for high-performance gaming rigs and demanding applications. In contrast, the JUSTOP, with a 700W output, is targeted more towards budget-conscious consumers or those building mid-range systems. Thus, if you're looking for a more powerful option and are willing to invest more, the Vetroo might be the better choice.
Power Output and Efficiency
Power output is a crucial factor when choosing a power supply. The Vetroo provides a robust 1000W, which is ideal for high-end systems requiring substantial power, especially if running multiple GPUs or overclocked CPUs. It is also 80 Plus Gold Certified, ensuring high efficiency and reliability, which translates to lower energy costs. On the other hand, the JUSTOP offers 700W with a 70% efficiency rating, which is adequate for standard builds but may not suffice for more powerful setups. Therefore, the Vetroo's higher wattage and efficiency make it a superior choice for performance-driven users.
Build Quality and Components
Vetroo’s power supply is constructed with premium 105° C capacitors, which enhance stability and thermal performance, vital for high-performance systems. The full modular design allows users to manage cables more effectively, reducing clutter and optimising airflow within the case. Conversely, the JUSTOP features a 120mm cooling fan aimed at maintaining lower noise levels while offering basic protection features like over voltage and short circuit protection. While the JUSTOP is a solid option for budget builds, the superior components and design of the Vetroo cater to users prioritising build quality and performance.
Compatibility and Standards
The Vetroo is fully compliant with ATX 3.1 specifications and is PCIe Gen 5.1 ready, ensuring that it is compatible with the latest hardware and future-proofed for upcoming technologies. This makes it an excellent choice for those who intend to upgrade their systems over time. In contrast, the JUSTOP adheres to the older ATX 12V v.2.3 and EPS 12V v.2.92 standards, which while still relevant, may lack compatibility with future advancements. For users looking to invest in cutting-edge technology, the Vetroo’s modern compatibility features are a significant advantage.
Cooling Solutions
Cooling is essential for maintaining system performance and longevity. The Vetroo’s design includes premium components that provide stable operation, but specific cooling features are not detailed in the product description. The JUSTOP, however, boasts a 120mm quiet cooling fan, which is beneficial for users prioritising noise reduction in their builds. While the JUSTOP's cooling fan is effective, the lack of information on the Vetroo's cooling system means it's harder to assess its performance in this regard. Therefore, if low noise is a primary concern, the JUSTOP has a clear advantage.
Safety Features
Both power supplies are equipped with essential safety features to protect your components. The Vetroo includes comprehensive protections aligned with its high-performance standards, although specific features are not listed. The JUSTOP, however, explicitly states it includes over voltage protection, over power protection, short circuit protection, and thermal overload cut-off protection. The presence of these certifications (CE / FCC / UL and TUV) suggests that the JUSTOP prioritises safety, which may appeal to first-time builders or those on a tighter budget. However, without knowing the Vetroo's full range of safety features, a definitive comparison is challenging.
User Experience and Installation
The Vetroo’s full modular design allows users to connect only the cables they need, which simplifies installation and enhances airflow in the case. This feature is particularly beneficial for complex builds that require precise cable management. The JUSTOP, while providing adequate connectors for most builds, lacks a modular design, which can lead to unnecessary clutter, especially in smaller cases. Therefore, for users who value ease of installation and a tidy build, the Vetroo offers a superior user experience.
Which should you buy?
Deciding between the Vetroo 1000W White Power Supply and the JUSTOP Black 700W Power Supply Unit largely depends on your specific needs and budget. If you are building a high-performance gaming system and require robust power, the Vetroo at £97.99 is the clear winner due to its higher wattage, efficiency, modern compatibility, and superior build quality. However, if you are looking for a budget-friendly option for a standard build, the JUSTOP at £29.95 offers solid performance and essential safety features, making it a practical choice for everyday users. Ultimately, your choice should reflect your performance requirements, future upgrade plans, and budget constraints.
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.

