Corsair RM850x front view showcasing compact profile for efficient mid- to high-end PCs.
Corsair RM850x modular cabling highlights clean cable management for tidy builds.
Corsair RM850x back panel showing full modular interface for flexible connections.
Corsair RM850x serial label emphasizing product authenticity and warranty coverage.
Corsair RM850x fully modular connectors enable clean builds with fewer tools.
Corsair RM850x inside-case view demonstrates ease of installation for upgrades.
Corsair RM850x metallic exterior glow hints at premium build quality.
Corsair RM850x renewed packaging highlights tested-for-previous-use status and value.

Corsair

Corsair RMX Series RM850x 850W Fully Modular Power Supply – Gold, Renewed

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$110.54

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Overview

The Corsair RMX Series RM850x (2021) delivers 850 watts of dependable, fully modular power for modern gaming rigs and capable workstations. This unit is a Renewed product, professionally inspected and tested to look and function like new by Amazon-qualified suppliers. The Renewed process aims to provide strong value with clear assurance, including the Renewed Guarantee in case you need support after purchase.

Built with a focus on clean installation and long‑term reliability, the RM850x emphasizes modular cable management, which helps keep inside the case neat and improves airflow. With its Gold-rated efficiency designation, it is designed to work efficiently under typical gaming and productivity loads, potentially reducing heat and energy consumption in day-to-day use.

Key Benefits

  • Fully modular cabling enables tidy builds and flexible routing inside your PC case.
  • 850 watts of stable power support for mid- to high-end components and GPUs.
  • 80 Plus Gold efficiency helps minimize wasted energy and heat during operation.
  • Renewed by Amazon-approved suppliers, inspected and tested to look and work like new.

Real‑World Use Cases

  • Gaming rigs with modern GPUs and demanding peripherals can benefit from ample power headroom.
  • Creative workstations that run multiple drives and peripherals may appreciate clean cable routing.
  • Compact but capable builds requiring efficient, modular power delivery.

Renewed Assurance

As an Amazon Renewed product, this RM850x has undergone professional testing and certification to ensure performance and appearance close to new. The Renewed Guarantee offers support if your purchase doesn’t meet expectations.

FAQ

Q: What does Renewed mean for this Corsair RM850x power supply?

A: It’s refurbished and tested to look and work like new by Amazon-approved suppliers.

Q: Which builds benefit most from the RM850x?

A: Ideal for systems needing stable 850W, 80 Plus Gold efficiency, and clean, modular cable routing.

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