Corsair

Corsair RMX Series RM1000x 1000W 80+ Gold PSU (Renewed)

4.8 (39 reviews)

Reliable Power for High-Performance Systems (Renewed) Introducing the Corsair RMX Series (2021) RM1000x, a 1000-Watt, Gold-certified, fully modular power supply. Professionally inspected and tested to function like new, this renewed power supply offers dependable performance for your high-demand...

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*Price sourced from Amazon.com. Last updated:Jun 16, 2026.Price and availability are subject to change.

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Overview

Reliable Power for High-Performance Systems (Renewed)

Introducing the Corsair RMX Series (2021) RM1000x, a 1000-Watt, Gold-certified, fully modular power supply. Professionally inspected and tested to function like new, this renewed power supply offers dependable performance for your high-demand computing needs.

Specifications:

  • Product Dimensions: 7.09 x 5.91 x 3.39 inches
  • Item Weight: 4.4 pounds
  • Manufacturer: Corsair
  • Series: rmx series
  • Brand: Corsair
  • Compatible Devices: Personal Computer
  • Connector Type: ATX
  • Output Wattage: 1000 Watts
  • Form Factor: ATX
  • Wattage: 1000 watts
  • Cooling Method: Magnetic Levitation

Specifications

Series
RMX Series
Wattage
1000W
Efficiency Certification
80+ Gold
Condition
Renewed

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Pros & Cons

👍 Pros

  • This Corsair RMX Series power supply is 80 PLUS Gold certified, indicating high efficiency in power delivery.
  • The "RM1000x" designation signifies a 1000W output, providing ample power for high-performance systems.
  • As a renewed product, it offers a potentially more cost-effective option for a premium power supply.
  • The RMX Series is known for its quality components and reliable performance in powering computer systems.
  • A 1000W capacity allows for significant headroom, supporting multiple graphics cards or demanding processors.

👎 Cons

  • Being a "Renewed" product, its warranty terms or specific refurbishment process might differ from a new unit.
  • Detailed specifications like modularity, fan type, or specific connector availability are not provided in the features.
  • While 1000W is robust, it may be excessive for users with more modest system configurations, leading to unutilized capacity.
  • The age or origin of the renewed product components is not specified, which could be a concern for some buyers.
  • A power supply of this capacity might be physically larger, potentially requiring more space within a PC case.

Frequently Asked Questions

The Corsair RMX Series RM1000x power supply offers a robust output of 1000W, making it suitable for high-performance computer builds.
This Corsair PSU is 80 PLUS Gold certified, indicating high power efficiency which can lead to less heat generation and lower operating costs.
This particular Corsair RM1000x is a "Renewed" product, meaning it has been restored to working condition, often by the manufacturer or a certified refurbisher.
The RMX Series from Corsair is generally associated with high-quality, reliable power supplies designed for enthusiasts and those seeking stable power delivery.
A 1000W power supply like the RM1000x provides ample headroom and is often ideal for high-end gaming PCs with multiple GPUs or very powerful processors, but it might be more than needed for a standard configuration.