Corsair 1200W RMx SHIFT Series RM1200X Fully Modular, 80+ Gold Power Supply

CORSAIR RMx SHIFT Series – Side-Mounted Innovation. Gold Efficiency. Effortless Builds.

Revolutionary Design. Clean Power. Seamless Cable Management.
The CORSAIR RMx SHIFT Series redefines modular power supplies with an industry-first side-mounted cable interface, offering effortless access and ultra-clean cable routing. With 80 PLUS Gold efficiency, ATX 3.0 compliance, and modern micro-fit connectors, it’s designed to simplify building and upgrading high-performance systems—while delivering quiet, reliable power backed by premium components and a 10-year warranty.

Key Features

• Innovative Side Cable Interface
  The modular cable connections are positioned on the side of the PSU for quick, tool-free access and streamlined cable management in modern PC cases.

• Fully Modular Type 5 Micro-Fit Connectors
  CORSAIR’s compact Gen 1 micro-fit connectors let you use only the cables your system needs, reducing clutter and improving airflow.

• 140mm Fluid Dynamic Bearing Fan
  A carefully engineered fan curve ensures quiet, high-performance cooling and long-lasting durability—even under demanding loads.

• Zero RPM Fan Mode
  For near-silent performance, the fan shuts off completely at low to medium loads, helping maintain a quiet workspace or gaming environment.

• ATX 3.0 & PCIe 5.0 Ready
  Built to meet Intel’s ATX 3.0 standard, RMx SHIFT is ready for next-gen GPUs and can handle power spikes with ease, keeping your system stable under heavy loads.

• 80 PLUS Gold & Cybenetics Certified
  Achieves up to 90% power efficiency, reducing heat, power consumption, and noise—certified by both 80 PLUS and Cybenetics standards.

• Premium Japanese Capacitors
  100% 105°C-rated Japanese electrolytic capacitors ensure ultra-reliable, stable power delivery over long periods.

• Modern Standby Support
  Enjoy faster wake times and improved power efficiency during low-load or idle states, optimized for Windows 10/11 systems.

• Resonant LLC Topology with DC-to-DC Conversion
  Advanced digital architecture provides clean, consistent voltage and enables efficient low-power sleep states.

• 10-Year Warranty
  Built to perform reliably over time and supported by a decade-long warranty—ideal for long-term system builds or upgrades.