The Corsair RM850x SHIFT is a premium 850W fully modular power supply engineered for modern gaming and professional PC builds. Certified to ATX 3.1 standards and compliant with PCIe 5.1, it is optimized for powerful GPUs and future-proof platforms.

Featuring Corsair’s innovative Type-5 modular connectors positioned on the side, cable management becomes effortless, reducing cable clutter and improving airflow inside your chassis. The RM850x SHIFT includes a native 12V 2x6 (12+4) GPU cable for high-power graphics card support, ensuring stable and efficient power delivery.

Reliability is paramount with 100% 105°C-rated Japanese electrolytic capacitors and industrial-grade components that guarantee long-lasting operation. Cooling is handled by a whisper-quiet 140 mm fluid dynamic bearing (FDB) fan, complete with Zero RPM mode for silent performance under low to medium loads. A manual fan speed control knob allows user customization of airflow and noise levels.

This power supply boasts a Cybenetics Gold efficiency rating for reduced energy waste and lower electricity costs, alongside an impressive 100,000 hours MTBF and a 10-year Corsair warranty, underscoring its robust build quality.

Key Highlights:

• Continuous 850W output on a strong single +12V rail (70.8A)


• ATX 3.1 certified and PCIe 5.1 ready for next-gen hardware


• Fully modular with side-positioned Type-5 connectors for easier cable management


• Native high-power 12V 2x6 GPU cable included


• 140mm FDB fan with Zero RPM Mode and manual fan control


• 100% 105°C Japanese electrolytic capacitors


• Cybenetics Gold efficiency & low noise operation


• 10-year manufacturer warranty for peace of mind