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Arcity 5V 12V 24V Output Switching Power Supply vs MONTECH Century II - 850W High-End ATX Gaming

Updated August 2026 — Arcity 5V 12V 24V Output Switching Power Supply wins on weight and protection, MONTECH Century II - 850W High-End ATX Gaming wins on output and efficiency.

The Arcity power supply is a versatile and budget-friendly option, while the MONTECH offers superior performance for gaming. Choose based on your specific needs.

Why Arcity 5V 12V 24V Output Switching Power Supply is better

Price

Arcity is significantly cheaper at $21.98.

Versatility

Arcity supports a wider range of applications.

Size

Arcity is more compact and lightweight.

Why MONTECH Century II - 850W High-End ATX Gaming is better

Power

MONTECH has a higher capacity of 850W.

Efficiency

MONTECH is 80 Plus Gold certified.

Modularity

MONTECH features a fully modular design.

Overall score

Arcity 5V 12V 24V Output Switching Power Supply
65
MONTECH Century II - 850W High-End ATX Gaming
85

Specifications

SpecArcity 5V 12V 24V Output Switching Power SupplyMONTECH Century II - 850W High-End ATX Gaming
Price$21.98$89.90
Output Voltage5V/12V/24V12V
Protection FeaturesMultiple protections80 Plus Gold
ModularityNon-modularFully modular
WarrantyNot specified10 years

Dimension comparison

Arcity 5V 12V 24V Output Switching Power SupplyMONTECH Century II - 850W High-End ATX Gaming

Overview of the Products

In this comparison, we will analyze the Arcity 5V 12V 24V Output Switching Power Supply Unit and the MONTECH Century II 850W High-End ATX Gaming Power Supply. The Arcity unit is priced at $21.98, while the MONTECH power supply is significantly more expensive at $89.90, making it about 309% costlier. This stark price difference sets the stage for a deeper exploration of their features and intended uses.

Power Output and Capacity

The Arcity power supply delivers multiple output voltages of 5V, 12V, and 24V, making it versatile for various applications, from arcade machines to CCTV cameras. It supports a maximum output of 8A at 5V and 12V, and 3A at 24V. In contrast, the MONTECH Century II boasts a robust 850W capacity, catering specifically to high-end gaming setups. While the Arcity is designed for diverse electronic devices, the MONTECH focuses on power-hungry gaming systems, highlighting their distinct target audiences.

Design and Form Factor

In terms of design, the Arcity unit is compact with dimensions of 160mm x 98mm x 39mm, making it suitable for tight spaces. Its lightweight build at 350g also contributes to its portability. On the other hand, the MONTECH power supply is designed with high-end gamers in mind, adhering to the ATX form factor but lacking specific dimensions in the provided data. The MONTECH's fully modular design allows users to manage cables efficiently, enhancing airflow and aesthetics in gaming rigs, which is an important consideration for many PC builders.

Protection Features

The Arcity power supply is equipped with several protective features, including Overvoltage Protection, Overcurrent Protection, Short-Circuit Protection, and more. These safeguards ensure that connected devices are protected from potential damage due to power fluctuations. Meanwhile, the MONTECH Century II also emphasizes safety, being certified with 80 Plus Gold and Cybenetics Platinum ratings. Both products prioritize user safety, but the Arcity offers a wider range of specific protections, which may appeal to those using it for sensitive equipment.

Application Versatility

The Arcity power supply shines with its wide range of applications, being suitable for LED strips, 3D printers, and audio/video equipment, among others. This versatility makes it a go-to choice for hobbyists and DIY enthusiasts. In comparison, the MONTECH Century II is specifically designed for gaming systems, thereby catering to a narrower audience but offering superior performance for that segment. If your needs extend beyond gaming, the Arcity provides greater flexibility.

Efficiency and Performance

While the Arcity is designed for low power consumption with a focus on stability and low ripple noise, the MONTECH Century II emphasizes high efficiency with its 80 Plus Gold certification. This certification indicates that the MONTECH unit converts at least 87% of power input into usable output under standard load conditions. This efficiency can lead to lower electricity bills over time, especially for users running high-performance systems continuously. The Arcity may provide stability, but the MONTECH is built for performance optimization.

Price Comparison

The pricing of these two products is a significant differentiator. The Arcity is priced at $21.98, while the MONTECH Century II is available for $89.90. This means that the Arcity is about 75% less expensive than the MONTECH. For budget-conscious consumers or those with less demanding power needs, the Arcity presents an attractive option. However, for gamers or professionals requiring higher performance, the investment in the MONTECH may justify the price difference.

Customer Experience and Brand Reputation

While specific sales ranks or customer reviews are not provided, both brands have established themselves in the power supply market. The Arcity is recognized for its reliability and versatility in various smaller electronic applications, while MONTECH is known for catering to gamers with high-performance needs. This brand positioning may influence consumer choice based on their primary usage scenarios and brand loyalty.

Which should you buy?

Choosing between the Arcity 5V 12V 24V Output Switching Power Supply Unit and the MONTECH Century II 850W High-End ATX Gaming Power Supply ultimately depends on your specific needs. If you're looking for a versatile and budget-friendly option for various electronic devices, the Arcity at $21.98 is the clear choice. However, if you require a powerful, efficient power supply for gaming or high-performance computing, the MONTECH at $89.90 justifies its price with superior capacity and efficiency features. Consider your power requirements and application to make the best decision.