Corsair RM850x (2021)

Corsair managed to improve the already great RM850x, offering even higher performance and a magnetic levitation fan.

-- As reviewed by Tom's Hardware
Corsair RM850x (2021) 1

Product details

  • Fully modular, so you only connect the cables that your system needs.
  • A 135mm ML fan utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
  • EPS12V connector for compatibility with modern graphics cards and motherboards.
  • 100 percent Industrial-grade, 105 degree celcius rated Japanese capacitors ensure unwavering power and reliability.
  • Supports Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency.
  • Zero RPM fan mode for near-silent operation at low to medium loads.
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power, reduces coil whine for quieter operation, and enables use of more energy efficient sleep states.
  • Ten-year warranty for complete peace of mind. Continuous output rated temperature 50°C

PROS

+ Full power at 47 degrees Celsius
+ High overall performance
+ Quiet operation
+ Fully compliant with ATX v2.52
+ Highly efficient at light loads
+ Long hold-up time
+ Low inrush currents
+ Magnetic Levitation fan
+ Loads of cables and connectors
+ Fully modular
+ 10-year warranty

CONS

- High OCP triggering points on the minor rails
- Transient response at 3.3V could be better
- In-cable capacitors
- Small distance between peripheral connectors

Expert reviews and ratings

By Tom's Hardware on July 01, 2021
Corsair managed to improve the already great RM850x, offering even higher performance and a magnetic levitation fan.
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