Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Vetroo 850W Power Supply Dual PCIe 5.1 ATX 3.1
Updated August 2026 — Vetroo 850W Power Supply Dual PCIe 5.1 ATX 3.1 leads on fan size and length.
The Vetroo 850W offers superior power output and efficiency, making it the better choice for high-performance systems. The Apevia is ideal for budget-conscious users with smaller setups.
Why Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W is better
Price
Apevia is $30 cheaper
Size
Compact dimensions for small builds
Simplicity
Easier for basic setups
Why Vetroo 850W Power Supply Dual PCIe 5.1 ATX 3.1 is better
Power
850W vs 500W output
Efficiency
80 Plus Gold certification
Cooling
Larger, quieter 120mm fan
Overall score
Specifications
| Spec | Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W | Vetroo 850W Power Supply Dual PCIe 5.1 ATX 3.1 |
|---|---|---|
| Max Power | 500W | 850W |
| Modularity | Fully Modular | Fully Modular |
| Efficiency | Not Specified | 80 Plus Gold |
| Cooling Type | 40mm Fan | 120mm FDB Fan |
| Warranty | Not Specified | 10 Years |
Dimension comparison
Overview of the Power Supplies
When it comes to power supplies, the Apevia ITX-PFC500W and the Vetroo 850W offer distinct features tailored to different needs. The Apevia is priced at $49.99, making it an economical choice for compact systems, while the Vetroo, at $79.99, is designed for high-performance builds. The price difference between the two is about 40%, with the Vetroo offering greater wattage and efficiency.
Power Output Comparison
The Apevia ITX-PFC500W delivers a maximum power of 500W, which is suitable for small form factor systems, especially in desktop gaming or POS applications. In contrast, the Vetroo 850W provides a significant increase in power, ideal for high-end gaming rigs and demanding applications. This nearly 70% higher output from the Vetroo may be crucial for users planning to run multiple high-performance components, such as advanced GPUs.
Design and Modularity
Both power supplies boast a fully modular design, allowing users to connect only the cables they need, reducing clutter and improving airflow. The Apevia's compact dimensions of 160mm x 73.66mm x 35.5mm make it a great fit for smaller builds. However, the Vetroo's design adheres to ATX 3.1 standards, ensuring compatibility with the latest hardware developments. The modularity of both units enhances user experience, but the Vetroo's larger capacity and adherence to newer standards may offer a longer-term advantage.
Cooling and Noise Levels
Cooling is essential for maintaining system stability, and both power supplies employ efficient cooling solutions. The Apevia uses a 40mm double ball bearing fan, which is effective for its size but may not provide the quietest operation under load. On the other hand, the Vetroo features a 120mm FDB fan designed for quiet operation, which is particularly advantageous for gamers and professionals who require a serene environment. This difference in fan size and technology indicates the Vetroo may perform better in terms of noise management.
Efficiency Ratings
Efficiency is a critical consideration for power supplies. The Vetroo is 80 Plus Gold certified, ensuring high efficiency and lower energy costs. This certification indicates that the Vetroo operates at approximately 90% efficiency at typical loads. In comparison, the Apevia's efficiency ratings are not specified, which may suggest lower efficiency levels. Users concerned about energy consumption and operational costs may find the Vetroo's certification particularly appealing.
Warranty and Longevity
Warranty offerings can greatly affect purchasing decisions, especially for power supplies. The Vetroo comes with a 10-year warranty, indicating a strong commitment to reliability and customer satisfaction. In contrast, the warranty details for the Apevia are not mentioned, which could leave potential buyers unsure about its durability. A longer warranty like that of the Vetroo provides peace of mind, especially for those investing in high-performance systems.
Target Users
The ideal user for the Apevia ITX-PFC500W is someone with limited space and moderate power requirements, such as those building compact gaming systems or POS setups. Its lower price point makes it attractive for budget-conscious consumers. Conversely, the Vetroo 850W is aimed at serious gamers and PC builders looking for a robust power supply capable of supporting the latest hardware. The substantial power output and advanced features make it a better fit for high-performance builds.
Which should you buy?
Ultimately, the decision between the Apevia ITX-PFC500W and the Vetroo 850W hinges on your specific needs. If you require an economical solution for a small form factor system, the Apevia is an excellent choice at $49.99. However, if you're looking for higher wattage, efficiency, and a quieter operation, the Vetroo, priced at $79.99, justifies its cost with superior performance and features.

