APEVIA VENUS500W Venus 500W ATX Power Supply with vs Auotac 850W Fully Modular Power Supply, 80+ Gold
Updated August 2026 — Auotac 850W Fully Modular Power Supply, 80+ Gold leads on modularity and warranty.
The Auotac 850W offers superior performance and features, making it the better choice for high-demand systems, while the APEVIA VENUS500W is a budget-friendly option for basic builds.
Why APEVIA VENUS500W Venus 500W ATX Power Supply with is better
Price
APEVIA is significantly cheaper at $29.99.
Basic Features
Sufficient for casual users.
Compact Size
Smaller wattage for less demanding builds.
Why Auotac 850W Fully Modular Power Supply, 80+ Gold is better
Power Output
Auotac provides 850W compared to APEVIA's 500W.
Efficiency
Auotac has 80+ Gold certification.
Modular Design
Fully modular design for better cable management.
Overall score
Specifications
| Spec | APEVIA VENUS500W Venus 500W ATX Power Supply with | Auotac 850W Fully Modular Power Supply, 80+ Gold |
|---|---|---|
| Brand | Apevia | Auotac |
| Certification | N/A | 80+ Gold |
| Fan Type | 120mm | 140mm RGB |
| Modular | No | Yes |
| Connector Type | Standard | 12V-2x6 PCIe 5.1 |
Dimension comparison
Price Comparison
When it comes to pricing, the APEVIA VENUS500W is significantly cheaper than the Auotac 850W, priced at $29.99 compared to $79.99. This makes the APEVIA about 63% less expensive than its competitor. For budget-conscious consumers looking for a basic power supply, the APEVIA offers a compelling option without a hefty price tag. However, the Auotac, while more expensive, promises higher wattage and features that may justify the additional cost for users seeking advanced performance.
Power Output
The APEVIA VENUS500W delivers a total output of 500W, while the Auotac 850W boasts a substantial 850W. This 70% increase in power output means that the Auotac can support more demanding systems, particularly those with high-performance graphics cards and processors. If you plan on building a gaming rig or a workstation that requires higher wattage, the Auotac provides a significant advantage in this area.
Efficiency Ratings
Efficiency is a critical consideration in power supplies, and here, the Auotac takes the lead with its 80+ Gold certification, indicating an efficiency of up to 92%. In contrast, the APEVIA does not provide a specific efficiency rating, which may mean it operates at lower efficiency levels. The higher efficiency of the Auotac translates to less energy waste and lower electricity costs over time, making it a better long-term investment for users who prioritize energy savings.
Modular Design
The design of the power supply can greatly influence cable management and airflow. The Auotac features a fully modular design, allowing users to connect only the cables they need, reducing cable clutter and improving airflow within the case. On the other hand, the APEVIA’s design does not mention modular capabilities, which may lead to a messier setup and potentially hinder cooling efficiency. For enthusiasts focusing on aesthetics and airflow, the Auotac’s modular design is a distinct advantage.
Cooling Solutions
Cooling is essential for maintaining optimal performance in a power supply. The Auotac is equipped with a 140mm RGB low-noise smart fan that features silent mode capabilities, offering better heat dissipation and quieter operation compared to standard fans. In contrast, the APEVIA uses a 120mm auto-thermally controlled fan. While the APEVIA’s fan is sufficient for basic cooling, the enhanced cooling features of the Auotac make it more suitable for high-performance builds, where heat management is critical.
Connector Options
When it comes to connectors, the APEVIA provides a variety of options, including 1 x 20/24pin Main Power, 1 x 4+4pin 12V, and 1 x 6+2 PCI Express. It also includes 3 SATA and 3 Peripheral connectors, which may be adequate for casual users. However, the Auotac supports the latest standards with its native 12V-2x6 PCIe 5.1 connector, which is designed for modern high-end graphics cards. This makes the Auotac a more future-proof choice, particularly for users looking to integrate cutting-edge hardware.
Safety Features
Safety is paramount in any power supply, and both models include key protective measures. The APEVIA offers protections against short-circuits, over-current, over-voltage, over-power, under-voltage, and over-temperature. The Auotac also emphasizes safety with its high-quality 105℃ Japanese capacitors, enhancing reliability and stability. Both power supplies ensure user safety, but the Auotac's use of premium components may provide an additional layer of confidence for consumers concerned about reliability.
Which should you buy?
Choosing between the APEVIA VENUS500W and the Auotac 850W ultimately depends on your specific needs and budget. If you are looking for an economical option for a standard build, the APEVIA’s low price of $29.99 is hard to beat. However, for users planning to build high-performance systems requiring greater wattage, efficiency, and advanced features, the Auotac at $79.99 offers substantial advantages that justify the higher price. Consider your performance requirements and budget when making your decision, as each power supply caters to different user priorities.

