Auotac 850W Fully Modular Power Supply, 80+ Gold vs MSI MPG A850G PCIE5, Fully Modular Compact Gaming
Updated August 2026 — Auotac 850W Fully Modular Power Supply, 80+ Gold leads on cooling and price.
The Auotac 850W offers better value and features for budget-conscious gamers, while the MSI MPG A850G is a solid choice for those prioritizing brand reputation and reliability.
Why Auotac 850W Fully Modular Power Supply, 80+ Gold is better
Price
Auotac is $30 cheaper
Cooling
Auotac features RGB lighting and a larger fan
Components
Auotac uses 100% Japanese capacitors
Why MSI MPG A850G PCIE5, Fully Modular Compact Gaming is better
Brand
MSI has a strong reputation in gaming
Warranty
Both have 10-year warranties, but MSI is well-known
Design
MSI is compact and user-friendly
Overall score
Specifications
| Spec | Auotac 850W Fully Modular Power Supply, 80+ Gold | MSI MPG A850G PCIE5, Fully Modular Compact Gaming |
|---|---|---|
| Power Output | 850W | 850W |
| Certification | 80+ Gold | 80+ Gold |
| Fan Size | 140mm | Not specified |
| Modular | Fully Modular | Fully Modular |
| Capacitors | 100% Japanese | 100% Japanese |
Dimension comparison
Overview of Auotac 850W and MSI MPG A850G
The Auotac 850W Fully Modular Power Supply is priced at $79.99, making it about 27% cheaper than the MSI MPG A850G, which retails for $109.99. Both power supplies are designed for high-performance gaming PCs, supporting the latest ATX 3.1 and PCIe 5.1 standards. This comparison will explore several critical aspects such as efficiency, modularity, design, and warranty to help you make an informed decision.
Efficiency and Performance
Both the Auotac 850W and MSI MPG A850G are 80 PLUS Gold certified, ensuring they operate with at least 92% efficiency under typical loads. The Auotac model boasts additional features like 105°C rated Japanese capacitors, which enhance reliability and performance stability, especially during high-demand gaming scenarios. While both power supplies assure effective power transmission, the Auotac's emphasis on high-quality components provides an edge in long-term performance.
Modularity and Cable Management
Cable management is simplified in both models, but the fully modular design of both the Auotac 850W and MSI MPG A850G stands out. This feature allows users to connect only the necessary cables, minimizing clutter and optimizing airflow within the PC case. With the Auotac offering dragon-patterned cables and the MSI power supply highlighted for its ease of use, users can achieve a clean and efficient build with either option.
Cooling Solutions
The cooling solutions differ between the two models. The Auotac power supply features a 140mm RGB low-noise smart fan, which not only enhances cooling efficiency but also adds aesthetic appeal with customizable RGB lighting. In contrast, the MSI MPG A850G focuses on low-noise operation without elaborating on specific fan sizes or RGB features. If aesthetics and quieter performance are critical for your build, the Auotac may have the upper hand.
Build Quality and Components
When it comes to build quality, both power supplies utilize Japanese capacitors rated for 105°C, a critical factor in ensuring durability and stable performance. The Auotac emphasizes its use of 100% Japanese-made capacitors, while the MSI mentions solid capacitors. Both brands are reputable, but the explicit mention of all Japanese capacitors in the Auotac may appeal more to users concerned with component quality.
Warranty and Support
The Auotac 850W comes with a 10-year limited warranty, similar to the MSI MPG A850G, which also offers a decade of coverage. This extended warranty period from both brands serves as a testament to their confidence in the reliability and longevity of their products. The assurance of reliable operation over ten years can be a deciding factor for buyers who prioritize long-term investment in their gaming setups.
Price Comparison
At $79.99, the Auotac 850W is significantly more budget-friendly than the MSI MPG A850G, which is priced at $109.99. This represents a price difference of $30, or about 27%. For budget-conscious gamers or those building their first PC, the Auotac offers a compelling value proposition without compromising on essential features like modularity and efficiency.
User Experience and Feedback
While specific user feedback is not included in the data, the features provided suggest that both power supplies would cater well to gamers and PC builders. The Auotac's focus on reducing noise and cable clutter aligns well with user desires for a quiet and tidy gaming environment. The MSI MPG A850G, with its reputation for quality and performance, likely appeals to users looking for reliability in high-performance settings. User experiences may vary based on individual preferences for aesthetics and brand loyalty.
Which should you buy?
If you're looking for a cost-effective, efficient power supply with aesthetic features like RGB lighting, the Auotac 850W Fully Modular Power Supply is an excellent choice at $79.99. However, if brand reputation and long-term reliability are your top concerns, the MSI MPG A850G, priced at $109.99, offers solid performance backed by quality components. Ultimately, both power supplies provide excellent value, but your choice will depend on budget considerations and specific feature preferences.

