---
product_id: 728890365
title: "RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply"
brand: "corsair"
price: "€ 586.41"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/728890365-rmx-series-rm850x-80-plus-gold-fully-modular-atx-power
store_origin: HR
region: Croatia
---

# 850W high power output 80 Plus Gold energy efficiency Fully modular cable design RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply

**Brand:** corsair
**Price:** € 586.41
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up like a pro—modular, efficient, unstoppable.

## Quick Answers

- **What is this?** RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply by corsair
- **How much does it cost?** € 586.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/728890365-rmx-series-rm850x-80-plus-gold-fully-modular-atx-power)

## Best For

- corsair enthusiasts

## Why This Product

- Trusted corsair brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Gen Ready:** EPS12V connector ensures seamless compatibility with the latest GPUs and motherboards.
- • **Streamlined Setup:** Fully modular cables mean zero clutter—connect only what you need for a clean, professional look.
- • **Power Your Ambition:** 850W of reliable, high-performance power to fuel your ultimate build.
- • **Compact & Lightweight:** Sleek 16x15x8.6 cm form factor and just 1.7 kg—powerful yet unobtrusive in your setup.
- • **Efficiency That Saves:** 80 Plus Gold certification delivers up to 90% energy efficiency, reducing waste and heat.

## Overview

The CORSAIR RMX Series RM850x is a fully modular 850W ATX power supply with 80 Plus Gold certification, designed for high efficiency and compatibility with the latest hardware. Its compact size and modular design offer a clean, customizable build experience favored by professionals and enthusiasts alike.

## Description

Corsair RM850x (2021) Fully Modular ATX Power Supply - 80 Plus Gold - Low Noise Fan - Zero RPM - Black Full Modular so you can only connect the cables needed for your system. 135mm ML fans utilize magnetic levitation bearings and custom engineering rotors for high performance, low noise and superior reliability.

## Features

- Fully modular so you can only connect cables needed for your system
- EPS12V connector is compatible with latest graphics cards and motherboards
- International products are subject to individual conditions and are sold from overseas and may differ from local products, such as fit, age ratings, product language, labels, and instructions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CORSAIR |
| Manufacturer | Corsair |
| Series | RM850X |
| Product Dimensions | 16 x 15 x 8.6 cm; 1.7 kg |
| Item model number | CP-9020200-NA |
| Form Factor | ATX |
| Item dimensions W x H | 16 x 15 x 8.6 cm |
| Wattage | 850 W |
| Are Batteries Included | No |
| Item Weight | 1.7 Kilograms |

## Product Details

- **Model Name:** RM850X
- **Brand:** CORSAIR
- **Compatible Devices:** Personal Computer
- **Connector Type:** ATX
- **Output Wattage:** 850

## Images

![RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply - Image 1](https://m.media-amazon.com/images/I/81sPI+eyRvL.jpg)
![RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply - Image 2](https://m.media-amazon.com/images/I/81wTzu2rd7L.jpg)
![RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply - Image 3](https://m.media-amazon.com/images/I/81DF6QzgKcS.jpg)
![RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply - Image 4](https://m.media-amazon.com/images/I/8178ZPkZ5pS.jpg)
![RMX Series™ RM850x 80 Plus Gold Fully Modular ATX Power Supply - Image 5](https://m.media-amazon.com/images/I/81wJOWvm-jS.jpg)

## Questions & Answers

**Q: Does this come with cables, or not?**
A: Yes, our PSUs always include cables. With the 2021 RM750x' cables, the following connections are provided: 

o	x1 ATX Cable 24-pin 
o	x2 EPS/ATX12V 8-pin (4+4) 
o	x4 PCIe 8-pin (6+2) 
o	x4 PATA 4-pin 
o	x10 SATA 

If you have any more questions or concerns, please feel free to reach out via support on our website and we'll happily assist you.

**Q: 1000watt. How loud is the fan? My current psu is insanely loud and don’t want another.**
A: You can barely here the fan of this PSU, you are more likely to hear your case fans than this PSU, that include under heavy usage. The fan of this PSU has a unique design which I think contribute to it's quite operation. I highly recommend this!

**Q: What do I need in order to connect it to EU sockets?**
A: Just the Power cable, these work with 110-240v and are auto switching.  You need a C13 to whatever wall plug type is in use in the UK.  I'm sure you can find them in abundance here on Amazon

**Q: Is this compatible with cable kits for previous RMx power supplies?**
A: Yes, cable kits compatible with the 2019 RMx are also compatible with 2021 RMx. 

If you have any more questions or concerns, please feel free to reach out via support on our website and we'll happily assist you.

## Frequently Bought Together

- CORSAIR RM850x Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black
- SAMSUNG 990 PRO SSD NVMe M.2 PCIe Gen4, M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P2T0B/AM
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

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**Shop now:** [https://www.desertcart.hr/products/728890365-rmx-series-rm850x-80-plus-gold-fully-modular-atx-power](https://www.desertcart.hr/products/728890365-rmx-series-rm850x-80-plus-gold-fully-modular-atx-power)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-01-22*