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Corsair RM1200x Shift Series PSU Review

The Corsair RM1200x Shift is certainly garnering a lot of attention due to the radical side mounted modular bay design. Based on the comments in our recent Youtube video, some people feel this panel ‘shift' is a great idea, and others are less convinced that the change is actually needed at all.

In reality, it isn't as if Corsair have moved all their PSU designs to this side mounted implementation – so I feel having an extra option on offer can only be seen as a positive move.

Technically the unit is very capable, and while not a design we could consider to be one of the best we have tested, there are no real areas which flag possible problems long term. Efficiency is good, load regulation is solid, and ripple suppression falls well within industry rated parameters. The PSU was able to deliver over 1,300 Watts without shutting down, so we feel there is little to complain about. Additionally, Corsair have adopted high grade 105C-rated Japanese capacitors from companies such as Nippon Chemi Con and Nichicon in the design which is reassuring long term.

My only real gripe (and it's a minor one in all honesty) is focused on the PSU cables. I think for such a radical new unit, they should have opted for soft, high-grade individually sleeved cables, such as the ones supplied with the Seasonic Vertex GX-1200 unit that we reviewed earlier this month. Apart from the aesthetic benefits, these cables are softer and would likely make it easier for a system builder to route the cables behind the side panel. With a narrower case, it is possible that a fully populated unit could cause pressure to be applied against the case panel. With thin side panels on some of the cheaper cases we have seen, some warping might even occur.

Overall, I think this product is very interesting and we admire Corsair for creating a new design and backing it with a 10 year warranty. There is no reason we can see to doubt the very capable CWT OEM partnership they have in place.

You can buy the RM1200x Shift for £259.99 from Overclockers UK HERE.

Discuss on our Facebook page HERE.

Pros:

  • Very capable design.
  • Radical ‘shifted' modular panel will suit specific builds and cases.
  • Capable design.
  • Build quality is excellent.
  • Quiet under most load situations.
  • Efficiency is good.
  • Fully modular.
  • 10 year warranty.

Cons:

  • Performance could be a little better.
  • Some cases may not work very well with this new design. Check before buying.
  • We would like to see softer, individually sleeved cables to help reduce potential side panel pressure.

KitGuru says: The Corsair RM1200x Shift is a very capable power supply with a radical ‘shifted' modular bay which will suit a variety of system builds. We expect Corsair to release some new cases with this power supply in mind in 2023 and 2024. Regardless, it is great to see Corsair trying new things in a very stale market.

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Rating: 8.0.

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