ARESGAME AGV Series 500W Power Supply, 80 Plus vs MONTECH Century II - 850W High-End ATX Gaming
Updated August 2026 — MONTECH Century II - 850W High-End ATX Gaming leads on modularity and warranty.
The MONTECH Century II offers superior power output and efficiency, making it the better choice for high-end gaming. However, the ARESGAME is a solid budget option.
Why ARESGAME AGV Series 500W Power Supply, 80 Plus is better
Price
ARESGAME is significantly cheaper at $37.99.
Warranty
5-year warranty is decent for budget users.
Cooling
Equipped with a quiet 120mm fan.
Why MONTECH Century II - 850W High-End ATX Gaming is better
Power Output
850W output supports high-end gaming.
Efficiency
80 PLUS Gold certification for better energy savings.
Modularity
Fully modular design allows for better cable management.
Overall score
Specifications
| Spec | ARESGAME AGV Series 500W Power Supply, 80 Plus | MONTECH Century II - 850W High-End ATX Gaming |
|---|---|---|
| Brand | ARESGAME | Montech |
| Type | Non-Modular | Fully Modular |
| Certification | 80 PLUS Bronze | 80 PLUS Gold |
| Cooling | 120mm Fan | Unknown |
| Input Voltage | 100V-240V | Unknown |
Dimension comparison
Overview
The ARESGAME AGV Series 500W Power Supply and the MONTECH Century II 850W High-End ATX Gaming Power Supply are two distinct options catering to different needs. The ARESGAME is priced at $37.99, while the MONTECH is significantly higher at $89.90. This price difference of about 137% reflects the varying features and target audiences of these power supplies.
Power Output
Power output is a critical factor when choosing a power supply. The ARESGAME provides 500W of continuous output, sufficient for entry-level gaming and basic computing needs. In contrast, the MONTECH offers a robust 850W output, making it suitable for high-end gaming rigs and systems with multiple GPUs. This 350W difference means the MONTECH can support more demanding hardware, making it the better choice for gamers seeking high performance.
Efficiency Ratings
When it comes to efficiency, the ARESGAME boasts an 80 PLUS Bronze certification, ensuring at least 85% efficiency under typical loads. Meanwhile, the MONTECH is rated at 80 PLUS Gold and Cybenetics Platinum, which indicates even higher efficiency levels. With the MONTECH, you can expect lower energy consumption and reduced heat generation, which is particularly beneficial for power-hungry gaming systems. The difference in efficiency ratings suggests that the MONTECH not only saves energy but also stands out as a premium option for serious gamers.
Modular Design
The ARESGAME features a non-modular design, which means all cables are permanently attached. This can lead to clutter inside the case, potentially affecting airflow and aesthetics. On the other hand, the MONTECH Century II is fully modular, allowing users to connect only the cables they need. This flexibility contributes to better cable management, making the system easier to build and maintain. For users who prioritize a clean and efficient setup, the MONTECH's modularity is a significant advantage.
Warranty and Reliability
Warranty is another crucial aspect to consider. The ARESGAME comes with a 5-year warranty, which is respectable but shorter than the MONTECH's 10-year warranty. This extended warranty period for the MONTECH reflects the manufacturer's confidence in its product's longevity and reliability. For users who value long-term investment and peace of mind, the additional 5 years of coverage could justify the higher price of the MONTECH.
Cooling Solutions
Cooling performance is vital in maintaining system stability, especially under heavy loads. The ARESGAME is equipped with a 120mm ultra-quiet fan designed for effective cooling and noise reduction. While the product description for the MONTECH does not specify its cooling solutions, its higher power output and efficiency ratings suggest it is also designed to handle heat effectively. Users looking for optimal thermal performance might lean towards the MONTECH, as its overall design is aimed at high-demand environments.
Target Audience
The target audiences for these two power supplies differ significantly. The ARESGAME is designed for budget-conscious users or those building entry-level gaming PCs. Its lower price and adequate power output make it an attractive option for casual gamers or office setups. Conversely, the MONTECH targets high-end gamers and enthusiasts who demand superior performance and efficiency. The substantial price difference is indicative of the level of performance and features expected by its target market.
Which should you buy?
In deciding between the ARESGAME AGV Series 500W Power Supply and the MONTECH Century II 850W High-End ATX Gaming Power Supply, consider your specific needs. If you are on a budget and require a reliable power supply for basic gaming or office tasks, the ARESGAME at $37.99 is an adequate choice. However, if you are a serious gamer or building a high-performance system, the MONTECH, priced at $89.90, offers superior power output, efficiency, and modularity, making it the better investment in the long run.

