Corsair RMi Series 1000 W Review 29

Corsair RMi Series 1000 W Review

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Value and Conclusion

  • The Corsair RM1000i retails for $200.
  • Delivered full power at 48°C
  • Excellent ripple suppression
  • Incredibly quiet operation
  • Tight load regulation
  • Efficient
  • Top performance in Advanced Transient Response tests
  • Extra long hold-up time
  • Japanese capacitors
  • Very quiet FDB (Fluid Dynamic Bearing) fan
  • Fully modular
  • Semi-passive operation
  • Great amount of connectors, including eight PCIe and two EPS connectors
  • Digital interface that allows users to monitor various functions through the Corsair Link software
  • Users can pick single +12V or multiple +12V rails mode in Corsair Link
  • Fan-test button
  • 7 year warranty
  • A little higher efficiency on the 5VSB rail would be nice
  • Short distance between peripheral connectors
The Corsair RM1000i will definitely prove problematic to the competition with a capacity of 1 kW and Gold-certified efficiency. According to my database, only units based on Super Flower's Leadex Platinum platform managed to surpass it by a very small percentage because of their higher overall efficiency. Contrary to the older RM1000, the new unit is vastly improved in all areas. and it is even quieter. The only 1 kW PSU that manages to beat the RM1000i in terms of noise is the HX1000i, another Corsair unit that, however, doesn't performs as well although it is taxed higher in Corsair's portfolio. I am pretty sure that the last thing Corsair meant to do was to create some internal competition, but such is obviously the case between the HX1000i and the new RM1000i. The price difference of 25 bucks is in favor of the RM1000i, and the latter also achieved a higher overall performance score, lagging behind only a bit in terms of noise and efficiency, differences most will barely notice.

Judging by the RM1000i's performance, Corsair and CWT created a very good new line, and the new RMi units promise higher reliability than their predecessors thanks to the exclusive use of Japanese capacitors and the FDB fan. These units also come with a longer warranty of seven years instead of the five Corsair's RM units have, so rest assured that Corsair has your back for well over half a decade should you purchase one. Corsair will apparently keep both lines active for now since the older RM units start at a capacity of 450 W while the new line's smallest member has a capacity of 650 W. Taking into account that enough users nowadays ask for low capacity PSUs, it would have been a nice move of Corsair to include low capacity units in their RMi line. As for units that are stronger than 1 kW units, I simply don't see them being added since such a move would increase the internal competition between the RMi and HXi series, making Corsair's HXi line a less attractive option.

To conclude today's evaluation, the RM1000i managed to impress me with its excellent performance, so it definitely deserves an Editor's Choice award and a very high score. For 200 bucks, you get one of the best 1kW PSUs money can buy today as it not only performs brilliantly but is also dead silent under normal conditions. The RM1000i's digital circuits also allows you to monitor all key functions through Corsair's appropriate application with, among other things, the capability of creating a custom fan profile.
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Jul 22nd, 2024 16:22 EDT change timezone

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