Corsair RM850x PSU – Features, Performance & Warranty

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The Corsair RM850x is a top-tier power supply unit (PSU) that was designed for high-end gaming systems and other demanding applications. We appreciate you taking the time to read our comprehensive blog post about this product. Due to the fact that it provides outstanding performance, efficiency, and dependability, this power supply unit (PSU) is a well-liked option among both PC enthusiasts and professionals. This blog will provide information about the features and specifications of the Corsair RM850x, as well as unboxing and setting it up, evaluating its performance and efficiency, discussing cable management and connectors, and providing details about the warranty and support.

Features and Specifications

The power supply unit that is the Corsair RM850x is absolutely incredible! The fact that it is fully modular and comes with an 80 PLUS Gold certification indicates that it is energy efficient to the highest degree. Not only that, but it also has a cool 135mm rifle bearing fan that makes it run without making any noise. The maximum power output of this bad boy is 850W, making it an ideal choice for those high-end gaming rigs and workstations.

Now, here’s what sets the RM850x apart from the rest: it’s packed with high-quality 100% Japanese capacitors. That means you can count on it for long-lasting performance and reliability. And get this, it even has a Zero RPM fan mode. This awesome feature keeps the fan off when the load is low, so you can enjoy a quieter computing experience.

Here’s a breakdown of the RM850x’s key specifications

  1. Modular Design: The fully modular design allows for easy cable management and a cleaner build.
  2. 80 PLUS Gold Certification: The RM850x boasts an impressive 80 PLUS Gold certification, ensuring high efficiency and lower energy costs.
  3. 100% Japanese Capacitors: The PSU uses high-quality capacitors for better performance and reliability.
  4. Zero RPM Fan Mode: The fan remains off under low loads, resulting in virtually silent operation.
  5. Flat Modular Cables: The RM850x comes with flat modular cables, making cable management a breeze.
  6. Fully Compatible with Corsair Link: This feature allows you to monitor and control the PSU’s performance via the Corsair Link software.

Unboxing and Initial Setup

On receiving the Corsair RM850x, you’ll find the following items in the box:

  1. The RM850x PSU
  2. Modular cables
  3. Power cord
  4. User manual
  5. Corsair case badge

The initial setup procedure is uncomplicated and can be finished in a set of straightforward steps, which are as follows:

  1. Unpack the power supply unit (PSU) and the modular cables.
  2. Join the power cord to the power supply unit (PSU) as well as the wall outlet.
  3. In order to connect your motherboard, graphics card, storage devices, and other components, you will need to route the necessary modular cables.
  4. Establish a connection between your motherboard and the 24-pin ATX and 8-pin EPS cables.
  5. The PCIe cables that are required for your graphics card should be plugged in.
  6. You can connect your storage devices and other accessories to your computer using SATA and Molex cables. 

Performance and Efficiency

The Corsair RM850x is a fantastic power supply that offers top-notch performance and efficiency. With its 80 PLUS Gold certification and high-quality components, you can count on it to deliver reliable power to your system. It does a great job of maintaining stable voltage levels, even when handling different loads. Plus, it has a nifty Zero RPM fan mode that keeps things nice and quiet, making it a perfect choice for those who value a noise-free environment.

In order to assess the effectiveness and performance of the RM850x, we put it through a number of benchmark and stress tests, which included the following things: 

  1. 3DMark Fire Strike: A popular gaming benchmark that stresses the GPU and CPU.
  2. Prime95: A CPU stress test that pushes the system to its limits.
  3. FurMark: A GPU stress test that generates intensive workloads.
  4. AIDA64 System Stability Test: A comprehensive benchmark that tests the system’s stability under various loads.

Throughout the entirety of these tests, the RM850x demonstrated its high-performance capabilities by constantly maintaining stable voltage levels and delivering power in an efficient manner.

Cable Management and Connectors

Because it is designed in a fully modular fashion, the Corsair RM850x makes it very easy to monitor and manage cables. Flat modular cables are easy to route and tuck away, which results in a build that is cleaner and more organised than it would have been otherwise the case. In addition, the power supply unit (PSU) is equipped with a substantial number of connectors, which guarantees that it is compatible with a wide range of components, including the following: 

  1. 1x 24-pin ATX
  2. 2x 8-pin EPS
  3. 6x 8-pin PCIe
  4. 12x SATA
  5. 4x Molex
  6. 1x Floppy

Warranty and Support

An impressive 10-year warranty is included with the purchase of the Corsair RM850x, which will provide you with peace of mind for many years to come. In addition to this, Corsair provides exceptional customer support, which is comprised of a committed team of professionals who are always ready to assist you with any questions or problems that you may encounter. Because of this, you can have peace of mind knowing that Corsair is handling everything for you. 


The Corsair RM850x is a power supply unit that is of the highest quality and provides exceptional performance, efficiency, and dependability than its competitors. Because of its fully modular design, 80 PLUS Gold certification, and high-quality components, it is an excellent option for high-end gaming systems and other applications that require a lot of power. The RM850x is an excellent investment for any PC enthusiast or professional because it comes with a warranty that is valid for ten years and offers excellent customer support. 

If you’re looking for a reliable and efficient power supply unit that won’t break the bank, the Corsair RM850x is definitely worth considering. And If you want to learn more about Corsair RM850x or thinking of buying one, visit Direct Macro for the best info and market competitive prices.

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