Auotac 850W Fully Modular Power Supply, 80+ Gold vs CORSAIR RM750x Shift Fully Modular ATX Power

Overview of the Auotac 850W Fully Modular Power Supply

The Auotac 850W Fully Modular Power Supply is an efficient choice for high-performance computing, delivering 80 PLUS Gold certification with 92% efficiency. This power supply is designed to meet the demands of modern gaming and productivity setups, offering stability and reliability for demanding components.

With a price of $79.99, the Auotac model is competitively priced and comes equipped with features such as fully modular cables, dual-color 16-pin connectors for easy installation, and a 140mm RGB low-noise fan. The inclusion of 105°C-rated Japanese capacitors further enhances its reliability, making it a solid option for gamers and professionals alike.

Overview of the CORSAIR RM750x Shift Fully Modular ATX Power Supply

The CORSAIR RM750x Shift Fully Modular ATX Power Supply also boasts an 80 PLUS Gold certification, ensuring efficient performance with low energy costs. Priced at $79.99, it matches the Auotac in terms of affordability while providing innovative features that enhance usability.

This power supply is notable for its side interface design, allowing for easier access and cleaner cable management. With a 140mm fluid dynamic bearing fan and Zero RPM mode, it operates quietly under low to medium loads, making it an excellent choice for those who prioritize silence in their builds. Moreover, it utilizes 100% 105°C-rated Japanese electrolytic capacitors for long-term reliability.

Efficiency and Performance

Both power supplies offer 80 PLUS Gold certification, which indicates a high level of energy efficiency during operation. The Auotac 850W PSU achieves 92% efficiency, ensuring effective power transmission to components. This translates into lower electricity bills and less heat generation, which is vital for maintaining optimal performance in high-demand scenarios.

On the other hand, the CORSAIR RM750x Shift, while it does not specify an exact efficiency percentage, is also certified under the same standard, and its design is optimized for low noise and high reliability. The presence of a fluid dynamic bearing fan in the CORSAIR model enhances its performance by reducing wear and tear, potentially increasing its lifespan.

Build Quality and Components

The Auotac 850W Power Supply is built with 105°C-rated Japanese capacitors, which are known for their high reliability and durability. This feature ensures that the PSU can withstand rigorous usage without compromising performance, making it suitable for gaming and heavy computational tasks.

In comparison, the CORSAIR RM750x Shift also utilizes 100% 105°C-rated Japanese electrolytic capacitors, which provide similar levels of reliability. Both power supplies are designed to deliver stable power, but the CORSAIR's use of innovative side connections enhances convenience, allowing for easier cable management and access.

Noise Level

When it comes to noise levels, the Auotac 850W features a 140mm RGB low-noise fan that is designed to operate quietly while effectively cooling the unit. The RGB lighting adds an aesthetic touch, appealing to gamers who want their builds to look as good as they perform.

Conversely, the CORSAIR RM750x Shift includes a 140mm fluid dynamic bearing fan, which is engineered to provide superior reliability and low noise levels. The Zero RPM mode allows the fan to remain off during low and medium loads, ensuring virtually silent operation. This feature makes the CORSAIR model particularly appealing for users who prioritize a quiet computing environment.

Cable Management

The Auotac 850W offers fully modular cables, which helps reduce cable clutter and improves airflow within the case. This feature is essential for maintaining an organized build, especially in high-performance setups where airflow is critical for temperature management.

The CORSAIR RM750x Shift takes cable management a step further with its innovative side cable interface. This design allows for easier access to connections, making it simpler to connect and disconnect cables as needed. The fully modular micro-fit connectors also ensure that users only connect the necessary cables for their specific setups, minimizing space usage and enhancing overall aesthetics.

Warranty and Reliability

Both power supplies come with a 10-year limited warranty, reflecting the manufacturers' confidence in their products' durability and reliability. This long warranty period is a significant factor for buyers looking for a long-term investment in their PC builds.

The Auotac 850W emphasizes its stability and performance, making it a great choice for eSports-level applications. Similarly, the CORSAIR RM750x Shift is built with premium components that ensure long life and reliability. Both brands provide robust support, which is crucial for users who may encounter issues after purchase.

Which should you buy?

Choosing between the Auotac 850W Fully Modular Power Supply and the CORSAIR RM750x Shift ultimately depends on your specific needs. If you value innovative cable management and near-silent operation, the CORSAIR model's side interface and Zero RPM mode may be more appealing. However, if you are looking for a straightforward, reliable PSU with RGB aesthetics, the Auotac provides excellent performance and reliability at a similar price point.

Both units are priced at $79.99, and while they share many similarities in efficiency and warranty, the unique features of each may sway your decision. Evaluate your priorities—whether it's noise levels, cable management, or aesthetic appeal—to determine which power supply best suits your build.