About Corsair RM850x 850W 80 Plus Gold Power Supply
The Corsair RM850x 850W Power Supply is engineered to deliver reliable, efficient and ultra-quiet performance for high-end gaming rigs and demanding workstation systems. With its 80 Plus Gold certification, the RM850x provides excellent energy efficiency, reducing power loss and heat output while maintaining stable voltage levels across all loads. This ensures optimal performance during gaming, rendering, streaming and heavy multitasking.
Corsair builds the RM850x using premium components, including 100 percent Japanese electrolytic capacitors, ensuring long-term durability, stable voltage regulation and superior electrical performance. Its fully modular cable design allows you to use only the cables you need, improving airflow, reducing clutter and making system assembly cleaner and easier.
The PSU features a low-noise cooling fan with Zero RPM mode, enabling the fan to remain completely silent under low to medium loads. When required, the cooling system activates smoothly to maintain safe temperatures without unnecessary noise. Comprehensive safety protections, including over-voltage, under-voltage, short-circuit, over-power and over-current safeguards, help protect your system from electrical faults.
Designed to support modern CPUs and high-performance GPUs, the RM850x provides dependable power for enthusiast desktops, creator workstations and high-efficiency PC builds that demand consistent performance and long-term reliability.
Corsair RM850x 850W 80 Plus Gold Power Supply Specifications:
| Feature | Details |
|---|---|
| Model | Corsair RM850x |
| Wattage | 850W |
| Efficiency | 80 Plus Gold certified |
| Design | Fully modular |
| Components | 100 per cent Japanese electrolytic capacitors |
| Cooling | Low-noise fan with Zero RPM mode |
| Protections | OVP, UVP, OPP, OCP, SCP |
| Noise Level | Ultra-quiet operation |
| Ideal Use | Gaming PCs, workstations, professional desktops |
Best For
• High-performance gaming systems
• Creator and workstation PCs requiring stable efficiency
• Quiet PC builds using Zero RPM fan mode
• Clean and airflow-optimised modular setups
• Systems running high-end CPUs and GPUs
• Long-term reliable power for performance desktops
The Corsair RM850x offers Gold-rated efficiency, premium components, whisper-quiet cooling and fully modular flexibility, making it one of the most dependable and refined power supplies for modern gaming and professional desktop builds.
