CorsairReleased 2023

Corsair RM1000x SHIFT

The Corsair RM1000x SHIFT lands as a solid mid-range power supplie, built around 1000 W.

64/100
Solid pick
Overall score · how we rate
1000 W80 Plus GoldFully modular10 years

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Why we rate it

  • Above-average wattage
  • Above-average fan size
  • No zero rpm mode
  • No 12v-2x6 / 12vhpwr
Score profile

Where the Corsair RM1000x SHIFT wins and loses

Scored against the power supplies class
OutputCoolingFeatures768376
Output
76
Cooling and noise
83
Features and warranty
76
Full specification

Specifications

Grouped · supported features marked in blue

Output

Wattage1000 W
Efficiency rating80

Form factor and design

ModularFully modular

Cooling and noise

Fan size135 mm

Features and warranty

Warranty10 years

Watch it in action

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Head to head

Corsair RM1000x SHIFT vs MSI MSI MPG A1000G PCIe 5.0

Highlighted cell = better in that row
OutputCoolingFeatures
Corsair RM1000x SHIFTMSI MPG A1000G PCIe 5.0
 CorsairCorsair RM1000x SHIFTThis pageMSIMSI MPG A1000G PCIe 5.0
Overall score64 /10064 /100
Wattage1000 W1000 W
Efficiency rating8080
ModularFully modularFully modular
Warranty10 years10 years
Who it's for

Is the Corsair RM1000x SHIFT right for you?

Buy it if
Buyers on a budget

Anyone who needs a dependable power supplie for the essentials without overspending.

Skip it if
Skip it if

You need zero rpm mode, in which case a higher-tier power supplie is the better call.

Performance builder
Chasing frames and headroom in a high-end rig.
good
Mainstream builder
Wants strong value in a balanced build.
good
Budget builder
Stretching every pound in an entry rig.
good
Common questions

Before you buy

Is the Corsair RM1000x SHIFT worth it?

It depends on what you need. It scores 64/100 against other power supplies, a solid mid-range result where the class average is around 58.

What stands out on the Corsair RM1000x SHIFT?

Its wattage stands out, and more is better here, so a higher figure is the stronger pick.

How does it compare to the Corsair RM850x Shift?

The Corsair RM850x Shift scores 66/100 versus this one at 64/100, so it is the step up on the spec sheet.