CORSAIR RM850x Shift Modular Power Supply – 850W Gold - Excellent Condition

The CORSAIR RM850x Shift (2025) is a premium fully modular ATX power supply designed for modern high-performance PC builds. Featuring an innovative side-mounted modular interface, it allows easier cable access and cleaner cable management for a more streamlined build process. Delivering 850W of stable power with Cybenetics Gold efficiency, the RM850x Shift is fully compliant with ATX 3.1 and PCIe 5.1 standards, making it ideal for next-generation hardware and GPUs, including NVIDIA GeForce RTX 50 Series. With ultra-flexible Type-5 cables, a native 12V-2x6 GPU cable, premium 105°C-rated capacitors, and a low-noise 140mm fluid dynamic bearing fan, it offers reliable, efficient, and quiet performance for gaming and workstation systems.
Condition: Excellent – unused, fully functional, and in original packaging.

Features

• 850W power output for high-performance PC builds
• Cybenetics Gold certified for efficient power delivery
• Innovative side-mounted modular interface for easier cable access
• Fully modular Type-5 connectors for cleaner cable management
• Native 12V-2x6 GPU cable for modern graphics cards
• Compatible with NVIDIA GeForce RTX 50 Series GPUs
• ATX 3.1 compliant for latest hardware support
• PCIe 5.1 ready for next-generation components
• Ultra-flexible debossed PVC cable kit for easier installation
• Low-profile cable combs included for neater cable routing
• 140mm fluid dynamic bearing fan for low-noise cooling
• Fan-speed control for optimised cooling performance
• 105°C-rated capacitors for stable and reliable power delivery

Specifications

• Brand: CORSAIR
• Model: RM850x Shift (2025)
• Colour: Black
• Condition: Excellent
• Type: Fully Modular ATX Power Supply
• Power Output: 850W
• Efficiency Rating: Cybenetics Gold
• Compliance: ATX 3.1
• PCIe Support: PCIe 5.1 Ready
• GPU Cable: Native 12V-2x6
• Cooling Fan: 140mm Fluid Dynamic Bearing Fan
• Capacitors: 105°C Rated
• Connectors: Fully Modular Type-5
• Cable Type: Debossed PVC
• Fan Control: Adjustable Fan-Speed Control
• Suitable For: Gaming PCs, Workstations, High-End Builds