Corsair RM750x (2018) 750W Power Supply

REVIEW INFORMATION
SUPPLIED BY: Corsair
PRODUCT: RM750x (2018) 750W
PROD LINK: RM750x Product Page
PRICE: $109.99 @ NewEgg
Price is at time of testing!

Performance (40% of the final score) – this section is usually a cakewalk for Corsair, and today is no exception. Voltage regulation wasn’t the best in the business, but we don’t expect that from a unit like this, do we? I saw an average of 0.60% there in the hot box, so half a point will come off for just missing mythic level regulation. Efficiency was a clear pass for Gold, so no point deduction there. The power on spike test had some of the best waveforms I’ve ever seen, so no deduction there. Finally, ripple control was also excellent coming in at half the number I need to see to call it excellent so this category will end up with a very solid 9.5.

Functionality (20% of the final score) – I have but one deduction to make here… half a point for in cable capacitors. Those things can be hard to work around at times, and they have got to go. But that is all that will happen here, because everything else was fantastic. We have more than enough connector support, enough free goodies to make installing easier, that semi-fanless mode, and most importantly we do not have annoying bundles of ribbon cables on the ATX connector where they tend to suck the hardest. 9.5.

Value (20% of the final score) – this unit runs at $109.99 at NewEgg right now. That pits it directly against the Bitfenix Whisper M Gold. However, the even shallower Seasonic Focus Plus Gold is six bucks cheaper. For three dollars more, you can do a Seasonic Platinum. I’d call this unit a good value, but it does need to come down in price just a bit. 8.

Build Quality (20% of the final score) – no issues found anywhere inside this unit. 10.

Corsair RM750x 750W – Scoring
Performance 9.5
Functionality 9.5
Value 8
Build Quality 10
Total Score 9.3

SUMMARY

Corsair has successfully freshened up the RM750x. The new guy brings all the performance we want to see in a shallower package with a longer warranty, and that’s what Corsair needs to do to stay ahead of the competition. Unfortunately, some of the competition seems to have anticipated this move and put out something even shallower. We’ll have to see how this unit does over the long term, but for now I suspect that the other models in the refreshed RMx line may have a better go of it in the marketplace until the price on this model comes down some.

The GOOD:

  • near mythic voltage stability
  • excellent ripple control
  • excellent build quality
  • 10 year warranty
  • semi-fanless

The BAD:

  • nada

The MEDIOCRE:

  • capacitors in cables

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