Apevia SPIRIT600W Spirit 600W ATX Power Supply vs MSI MPG A850G PCIE5, Fully Modular Compact Gaming
Updated August 2026 — MSI MPG A850G PCIE5, Fully Modular Compact Gaming leads on modularity and warranty.
The MSI MPG A850G offers superior power, efficiency, and features compared to the Apevia SPIRIT600W, making it the better choice for serious gamers.
Why Apevia SPIRIT600W Spirit 600W ATX Power Supply is better
Price
Apevia is significantly cheaper at $33.99.
Basic Functionality
Apevia provides essential features for budget builds.
Cooling Mechanism
Apevia has an auto-thermally controlled fan.
Why MSI MPG A850G PCIE5, Fully Modular Compact Gaming is better
Power Capacity
MSI provides 850W compared to Apevia's 600W.
Efficiency
MSI is 80 PLUS Gold certified.
Warranty
MSI offers a 10-year warranty.
Overall score
Specifications
| Spec | Apevia SPIRIT600W Spirit 600W ATX Power Supply | MSI MPG A850G PCIE5, Fully Modular Compact Gaming |
|---|---|---|
| Brand | Apevia | MSI |
| Modularity | Non-Modular | Fully Modular |
| Capacitors | Standard | 100% Japanese |
| Cooling Fan | 120mm | Not Specified |
| Protection Features | Basic | Advanced |
Dimension comparison
Overview of the Products
In this comparison, we are looking at the Apevia SPIRIT600W and the MSI MPG A850G PCIE5 power supplies. The Apevia SPIRIT600W is priced at $33.99, while the MSI MPG A850G is significantly more expensive at $109.99, making it about 224% pricier. Both power supplies cater to different segments of the market, with the Apevia model targeting budget-conscious gamers and the MSI model aimed at high-end gaming enthusiasts seeking premium features.
Design and Build Quality
The design of the Apevia SPIRIT600W features a durable black sandblasted casing, while the MSI MPG A850G boasts a fully modular design that allows users to connect only the cables they need, reducing cable clutter. The MSI power supply is built with 100% Japanese 105° C capacitors, which are renowned for their reliability and performance. In contrast, the Apevia model focuses more on basic functionality with its auto-thermally controlled 120mm fan and various connectors but lacks the premium build quality of the MSI PSU.
Power Capacity and Efficiency
The Apevia SPIRIT600W delivers 600 watts of power, while the MSI MPG A850G provides a robust 850 watts. This difference of 250 watts positions the MSI power supply for more demanding systems and advanced gaming setups. Additionally, the MSI model is 80 PLUS Gold certified, meaning it operates at greater efficiency levels compared to the Apevia, which does not have a specified efficiency rating. This efficiency translates to lower electricity costs and less heat generation, making the MSI PSU a better choice for high-performance builds.
Features and Connectivity
When it comes to features, the Apevia SPIRIT600W includes various connectors such as a 20/24-pin main power, multiple PCIe and SATA connectors, and heavy-duty protections like short-circuit and over-voltage protection. The MSI MPG A850G, however, takes connectivity a step further with its fully modular design, allowing for better cable management and organization. The inclusion of a native 12V-2x6 cable and its compatibility with PCIe 5.1 and ATX 3.1 standards makes the MSI power supply more future-proof, catering to the latest hardware requirements.
Warranty and Reliability
One of the standout features of the MSI MPG A850G is its impressive 10-year limited warranty, which indicates the manufacturer's confidence in the product’s longevity and reliability. On the other hand, the Apevia SPIRIT600W does not specify any warranty period, which may raise some concerns regarding its long-term performance and reliability. For gamers and PC builders who prioritize durability, the MSI's extended warranty offers peace of mind that the Apevia model does not.
Noise Levels and Cooling
Cooling performance is another important factor when considering power supplies. The Apevia SPIRIT600W includes an auto-thermally controlled 120mm fan designed to adjust its speed based on temperature, which is beneficial for maintaining optimal performance. Conversely, while the MSI MPG A850G also emphasizes low noise levels, the specific cooling mechanism is not detailed. However, the fully modular design may allow for better airflow in a system, potentially leading to quieter operation overall.
Price Comparison
The Apevia SPIRIT600W retails for $33.99, making it a budget-friendly option for those looking to build a gaming PC without spending a lot. The MSI MPG A850G, priced at $109.99, represents a significant investment at about 224% more than the Apevia model. This price difference reflects the higher wattage, advanced features, and premium build quality of the MSI power supply, making it a suitable choice for serious gamers and PC enthusiasts who demand more from their components.
Which should you buy?
Choosing between the Apevia SPIRIT600W and the MSI MPG A850G ultimately depends on your specific needs and budget. If you are looking for an economical power supply for a basic gaming setup, the Apevia SPIRIT600W is a solid choice at $33.99. However, if you are building a high-performance system and want a reliable, efficient, and feature-rich power supply, the MSI MPG A850G, despite its higher price of $109.99, offers more value in terms of power, efficiency, and long-term reliability. Therefore, for most serious gamers, the MSI MPG A850G would be the recommended option.

