Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs Segotep 650W 80 Plus Gold Certified Non-Modular
Updated August 2026 — Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W wins on width, Segotep 650W 80 Plus Gold Certified Non-Modular wins on length and fan size.
The Segotep 650W power supply offers higher wattage and better efficiency, making it the superior choice for demanding systems.
Why Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W is better
Compact Size
Ideal for small form factor builds.
Modular Design
Allows for cleaner cable management.
Cooling Fan
Uses a smaller fan suitable for compact spaces.
Why Segotep 650W 80 Plus Gold Certified Non-Modular is better
Higher Wattage
650W output supports more demanding hardware.
Efficiency Rating
80 Plus Gold certification ensures better energy efficiency.
Cooling Solution
Larger 120mm fan provides better airflow.
Overall score
Specifications
| Spec | Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W | Segotep 650W 80 Plus Gold Certified Non-Modular |
|---|---|---|
| Max Power | 500W | 650W |
| Efficiency | Standard | 80 Plus Gold |
| Modularity | Fully Modular | Non-Modular |
| Cooling Fan | 40mm | 120mm |
| Protection Features | Multiple Protections | PFC & RoHS |
Dimension comparison
Overview of the Apevia ITX-PFC500W and Segotep 650W Power Supplies
When comparing the Apevia ITX-PFC500W and Segotep 650W power supplies, both products are priced at $49.99, but their specifications and features differ significantly. The Apevia ITX-PFC500W is designed for compact systems, while the Segotep 650W caters to users seeking higher power efficiency and flexibility. Understanding these differences can guide buyers towards the power supply that best fits their needs.
Form Factor and Design
The Apevia ITX-PFC500W is a Mini ITX/Flex ATX power supply, ideal for small form factor builds and compact desktop systems. In contrast, the Segotep 650W is a standard ATX power supply, making it suitable for larger cases and more extensive setups. The dimensions of the Apevia power supply are 160mm x 73.66mm x 35.5mm, allowing it to fit snugly into tight spaces. While both power supplies are non-modular, the Segotep’s design promotes cleaner cable management, which can enhance airflow in larger systems.
Power Output and Efficiency
The Apevia ITX-PFC500W delivers a maximum power output of 500W, while the Segotep 650W offers a higher capacity of 650W. This difference in output makes the Segotep a better choice for users with demanding hardware, such as high-end GPUs and multiple drives. Furthermore, the Segotep power supply is 80 Plus Gold certified, indicating superior energy efficiency compared to standard models. The efficiency of the Segotep can lead to lower electricity bills over time, especially in systems that draw significant power.
Modular vs. Non-Modular Design
The modular design of the Apevia ITX-PFC500W allows users to connect only the cables they need, minimizing clutter and making installation easier in tight spaces. On the other hand, the Segotep 650W features a non-modular design, which can be more straightforward for users who prefer not to deal with multiple cables but may result in more clutter inside the case. Each design has its pros and cons, depending on the user's case size and personal preferences regarding cable management.
Cooling Solutions
Cooling is a crucial aspect of power supply performance. The Apevia ITX-PFC500W utilizes a 40mm double ball bearing fan for forced air ventilation, which is effective in small spaces. However, its smaller fan size may limit cooling efficiency compared to larger fans. The Segotep 650W, equipped with a 120mm silent fan, is designed for quieter operation and better airflow, making it more suitable for larger cases or systems that require higher cooling performance.
Protection Features
Both power supplies come with various protection features to ensure safe operation. The Apevia ITX-PFC500W includes overvoltage, overload, overcurrent, heating, and short circuit protection, which are essential for preventing hardware damage. The Segotep 650W also boasts PFC protection and is RoHS compliant, ensuring it meets safety and environmental standards. While both products prioritize safety, the specific protections offered by each can influence a buyer’s decision based on their individual needs.
Price Comparison and Value
Both the Apevia ITX-PFC500W and Segotep 650W are priced at $49.99, making them competitive options in the power supply market. However, the Segotep offers a higher wattage and better efficiency with its 80 Plus Gold certification, providing better value for users who need more power. The price difference becomes more apparent when considering the average price over the last 90 days; the Apevia has been listed at around $59.99, while the Segotep averaged $56.36. This suggests that the Segotep can be considered a more economical choice in the long run when factoring in power delivery and efficiency.
Which should you buy?
Choosing between the Apevia ITX-PFC500W and the Segotep 650W ultimately depends on your specific needs. If you are building a compact system and require a smaller, fully modular power supply, the Apevia is an excellent choice. However, for users needing higher power capacity with better efficiency and cooling, the Segotep 650W stands out as the superior option. Both power supplies are priced the same, but the additional wattage and efficiency of the Segotep make it a more valuable investment for power-hungry systems.

