Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W vs MSI MPG A850G PCIE5, Fully Modular Compact Gaming
Updated August 2026 — MSI MPG A850G PCIE5, Fully Modular Compact Gaming leads on weight and height.
The MSI MPG A850G offers superior power output and build quality, making it the better choice for high-performance systems. The Apevia ITX-PFC500W is a budget-friendly option for compact builds.
Why Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W is better
Price
Apevia is significantly cheaper at $49.99.
Size
Apevia is more suitable for compact builds.
Modularity
Both are fully modular, but Apevia is simpler for small setups.
Why MSI MPG A850G PCIE5, Fully Modular Compact Gaming is better
Power
MSI provides 850W, which is 70% more than Apevia's 500W.
Warranty
MSI offers a 10-year warranty for reliability.
Components
MSI uses 100% Japanese capacitors for better durability.
Overall score
Specifications
| Spec | Apevia ITX-PFC500W Mini ITX/Flex ATX / 1U 500W | MSI MPG A850G PCIE5, Fully Modular Compact Gaming |
|---|---|---|
| Max Power | 500W | 850W |
| Modular | Yes | Yes |
| Warranty | N/A | 10 years |
| Efficiency | N/A | 80+ Gold |
| Capacitors | N/A | 100% Japanese |
Dimension comparison
Price Comparison
The Apevia ITX-PFC500W is priced at $49.99, making it about 55% cheaper than the MSI MPG A850G, which costs $109.99. For budget-conscious consumers or those building a compact system, the Apevia model offers significant savings. While the Apevia power supply is more affordable, it comes with a maximum power output of 500 watts compared to the MSI's 850 watts. This difference is crucial for users with high-performance gaming rigs or multiple components that require more power. Therefore, while the Apevia is appealing for its price, the MSI may be more suitable for demanding setups.
Power Output
Power output is a critical factor in choosing a power supply. The MSI MPG A850G provides 850 watts, which is 70% more than the 500 watts offered by the Apevia ITX-PFC500W. This additional capacity allows the MSI to support more powerful graphics cards, processors, and additional peripherals, making it a better choice for gamers and content creators. On the other hand, the Apevia is ideal for smaller systems or builds that do not require high wattage. Users should assess their power needs carefully; those with high-performance requirements should lean towards the MSI.
Modular Design
Both power supplies feature fully modular designs, enhancing cable management and allowing users to connect only the cables they need. This design reduces cable clutter, making for a cleaner installation. The Apevia’s modularity is particularly beneficial in small form factor builds, while the MSI’s design also contributes to its ease of use and aesthetic appeal. However, while both options eliminate excess cables, the MSI's higher wattage may necessitate more connections, which could complicate cable management in larger setups.
Warranty and Reliability
The MSI MPG A850G comes with a 10-year limited warranty, showcasing its long-term reliability and quality assurance. In contrast, the Apevia does not specify any warranty period, which could raise concerns for potential buyers regarding its longevity and reliability. A longer warranty often indicates a manufacturer's confidence in their product, and the MSI's use of 100% Japanese 105° C capacitors further enhances its reliability. For users looking for peace of mind, the MSI might be the better choice due to its robust warranty and high-quality components.
Cooling Solutions
Both power supplies incorporate cooling solutions, but they differ in design. The Apevia ITX-PFC500W features a 40mm double ball bearing fan for forced air ventilation, which is adequate for its power output. However, this smaller fan may be less effective in larger cases or under heavy loads. The MSI MPG A850G is designed for low noise levels, suggesting that it may provide a quieter operation, particularly in demanding scenarios. Effective cooling is essential for maintaining performance and longevity, and the larger design of the MSI may offer better thermal management.
Build Quality and Components
The MSI MPG A850G emphasizes its use of 100% Japanese capacitors, known for their durability and performance under high temperatures. This high-quality component choice reflects a commitment to build quality and reliability. The Apevia ITX-PFC500W does not specify the materials used in its construction, which may lead to uncertainty regarding its long-term performance. Users prioritizing build quality and the reassurance of premium components will likely favor the MSI, while those seeking a budget-friendly option may opt for the Apevia.
Target Audience
The target audience for these power supplies significantly differs due to their specifications. The Apevia ITX-PFC500W caters primarily to users with compact builds or lower power requirements, such as basic desktop systems or small form factor gaming setups. Its price point makes it an attractive option for budget-conscious consumers. Conversely, the MSI MPG A850G targets gamers and professionals needing a robust power solution for high-performance systems. Its higher capacity and premium features align with the needs of those who demand more from their components.
Which should you buy?
Choosing between the Apevia ITX-PFC500W and the MSI MPG A850G depends on your specific needs and budget. If you're building a compact system or looking for a cost-effective solution, the Apevia at $49.99 is a strong candidate. However, for users with higher power demands, the MSI, despite its higher price of $109.99, offers superior wattage, build quality, and a reassuring warranty. Ultimately, your choice should align with your system's requirements and your long-term reliability expectations.

