Superior Performance and Efficiency with RM850x Power Supply


I recently got my hands on the Corsair RM850x (2021) power supply and was eager to put it to the test. With its impressive features and reputation for quality, I was excited to see how it would perform in my system.

From the moment I installed the Corsair RM850x, I was blown away by its efficiency and performance. The 80 PLUS Gold certification ensures that my system runs smoothly while consuming less energy, ultimately contributing to its longevity. The fully modular design made cable management a breeze, resulting in a cleaner build and improved airflow. The low-noise fan operated silently, even under heavy loads, providing a peaceful computing experience. The unit’s solid build quality and premium components instilled confidence in its reliability and safety.

Efficient Power Delivery and Cooling:

The Corsair RM850x (2021) Fully Modular ATX Power Supply excels in delivering exceptional power efficiency and cooling performance. With its 80 PLUS Gold certification, this power supply ensures that your system consumes less energy while running cooler, contributing to overall longevity and reliability. The fully modular design of the RM850x allows for easy cable management, enhancing both the aesthetics of your build and the airflow within the case. Installation is a breeze, thanks to the modular design that eliminates clutter and hassle.Quiet Operation and Premium Build Quality:


  • The Corsair RM850x features a fully modular design, allowing for easy cable management and clean builds.
  • Its low-noise fan operates quietly under regular loads and has a Zero RPM mode for silent operation during idle times.
  • With 100% Japanese 105°C capacitors and over-voltage, under-voltage, over-power, over-temperature, and short-circuit protection, the RM850x ensures reliable power delivery and component safety.


  • The RM850x is larger than some other power supplies, which may not fit well in smaller PC cases.
  • In cases with side-mounted PSU slots, the upright facing ports for connectors on the cables may impede on certain components, requiring consideration of case compatibility.
  • The cables provided with the RM850x are noted to be quite thick, which may pose challenges in cable management, especially in smaller cases.


    In conclusion, the Corsair RM850x is a standout power supply that excels in efficiency, modularity, and performance. Its silent operation, top-notch build, and reliable power delivery make it a solid choice for any PC enthusiast or gamer. Despite its larger size, this power supply is worth the investment for those seeking a high-quality solution to power their systems. I highly recommend the Corsair RM850x for a powerful, efficient, and quiet computing experience.

    Questions & Answers:

    Question: What are the standout features of the Corsair RM850x power supply?

    Answer: The RM850x boasts a fully modular design, a low-noise fan with Zero RPM mode, and premium internal components for reliable power delivery.

    Question: Are there any drawbacks to consider when purchasing the RM850x?

    Answer: Potential buyers should be aware of its larger size, which may not be suitable for smaller PC cases, and the thickness of the cables that come with the unit, which could pose challenges in cable management.

    Question: Is the Corsair RM850x suitable for high-performance systems?

    Answer: Yes, the RM850x delivers ample power for high-end components, including demanding CPUs and graphics cards, while ensuring excellent voltage regulation and stability.

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