CORSAIR RM850x Fully Modular Low-Noise ATX Power vs Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe

Overview of the Products

When comparing the CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply and the Seasonic Focus GX 850W Power Supply, the first aspect to note is their target audience. Both power supplies are designed for high-performance systems, making them well-suited for gaming and intensive tasks. The RM850x is priced at $161.93, while the Focus GX comes in at a lower price of $139.99, making it about 17% cheaper. This price difference could be a deciding factor for those on a budget.

Design and Build Quality

The design and build quality of both power supplies are commendable, but they have different focuses. The CORSAIR RM850x features fully modular cabling, allowing users to connect only the necessary cables for their setup, which can help streamline cable management. Its embossed cables with low-profile combs add to the aesthetic appeal. On the other hand, the Seasonic Focus GX also offers a fully modular design and includes a native 12V-2x6 connector, ensuring compatibility with the latest graphics cards. The Focus GX emphasizes its OptiSink design for improved thermal performance, which is beneficial during heavy usage.

Efficiency Ratings

When it comes to efficiency ratings, the Seasonic Focus GX has an edge with its Cybenetics Platinum certification, compared to the CORSAIR RM850x's Cybenetics Gold certification. This suggests that the Focus GX operates at a higher efficiency level, potentially leading to lower power consumption and less heat generation. The RM850x is rated for up to 91% efficiency, while the Focus GX benefits from the Platinum certification, which indicates it surpasses this benchmark. This difference could translate to savings on electricity bills over time.

Cooling Solutions

Cooling solutions play a crucial role in the performance of power supplies, especially under load. The CORSAIR RM850x features a 140mm fluid dynamic bearing fan that is designed for low noise, ensuring a quiet operation. The Seasonic Focus GX, meanwhile, incorporates a 135mm fan and hybrid fan control, which allows the fan to remain off at low loads, potentially reducing noise further. Both fans are engineered to provide reliable cooling, but the hybrid control on the Focus GX gives it an advantage in maintaining a quieter operation during lighter tasks.

Compatibility and Connectivity

Both power supplies are compliant with the ATX 3.1 standard and support PCIe 5.1, ensuring they can handle the latest hardware requirements. The CORSAIR RM850x's native 12V-2x6 connector ensures direct compatibility with the latest graphics cards without the need for adapters. Similarly, the Seasonic Focus GX also features a native 12V-2x6 connector, making it equally adept at connecting to modern components. This compatibility is crucial for users who want to future-proof their builds, as both options are ready for the latest technology.

Warranty and Reliability

Warranty can often be a strong indicator of a product's reliability. The CORSAIR RM850x comes with a ten-year warranty, reflecting the brand's confidence in its durability. The Seasonic Focus GX matches this with a ten-year warranty as well, providing peace of mind for users concerned about longevity. Both warranties suggest that these products are built to last, but the additional certifications—Platinum for the Focus GX and Gold for the RM850x—could indicate varying levels of reliability in different scenarios.

Price Consideration

The price difference between the two power supplies is significant, with the CORSAIR RM850x retailing for $161.93 and the Seasonic Focus GX at $139.99. This approximately $21 price gap makes the Focus GX a more appealing option for budget-conscious consumers. However, the choice may depend on individual preferences for features, such as aesthetic design or specific certifications. While the RM850x offers robust performance and features, the Focus GX provides excellent value for those looking to save on their initial investment.

Which should you buy?

Ultimately, the decision between the CORSAIR RM850x and the Seasonic Focus GX comes down to personal preference and specific needs. The CORSAIR RM850x excels in design and noise reduction, making it a solid choice for users prioritizing aesthetics and quiet operation. In contrast, the Seasonic Focus GX offers superior efficiency and a lower price point, making it an attractive option for budget-minded consumers. Both power supplies are reliable and well-built, but the Focus GX may provide better overall value for most users.