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MSI MPG A1000G — 1000 W · Gold
MSI

MSI MPG A1000G

1000 W · Gold

84
/ 100
From $199
VS
Corsair RM850x Shift wins by 6
Corsair RM850x Shift — 850 W · Gold
Corsair

Corsair RM850x Shift

850 W · Gold

90
/ 100
From $179
Specdex verdict

Corsair RM850x Shift takes it — here’s why.

In our weighted Specdex score, MSI MPG A1000G lands at 84 and Corsair RM850x Shift at 90. That puts Corsair RM850x Shift ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick MSI MPG A1000G if…

  • ✓Modular cabling on most
  • ✓ATX 3.1 / 12V-2x6 support
  • ✓10-year warranty on many

Pick Corsair RM850x Shift if…

  • ✓Modular cabling on most
  • ✓ATX 3.1 / 12V-2x6 support
  • ✓10-year warranty on many
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Efficiency

Corsair RM850x Shift

Compared on the efficiency sub-score

Corsair RM850x Shift leads on efficiency (90 vs 84).

Noise

Tie

Compared on the noise sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Cables

Tie

Compared on the cables sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Corsair RM850x Shift

Specdex score per dollar at MSRP

Corsair RM850x Shift more score per dollar ($179 vs $199).

MSI MPG A1000G 84
vs
90 Corsair RM850x Shift

Score breakdown

MSI MPG A1000G
84
efficiency 84
noise 86
cables 86
value 84
Corsair RM850x Shift
90
efficiency 90
noise 86
cables 86
value 84

Specs side-by-side

MSI MPG A1000G versus Corsair RM850x Shift — full spec comparison
Spec MSI MPG A1000G Corsair RM850x Shift
Wattage
1000 W
850 W
Efficiency
Gold
Gold

MSI MPG A1000G

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • −Bulky on higher wattages
  • −Fan noise varies by load
  • −Cable length may not fit some cases

Corsair RM850x Shift

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • −Bulky on higher wattages
  • −Fan noise varies by load
  • −Cable length may not fit some cases

FAQ: MSI MPG A1000G vs Corsair RM850x Shift

Which is better, MSI MPG A1000G or Corsair RM850x Shift? +

Corsair RM850x Shift scores 90 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is MSI MPG A1000G worth the price? +

At $199, MSI MPG A1000G delivers a Specdex score of 84 — strongest in noise.

Is Corsair RM850x Shift worth the price? +

At $179, Corsair RM850x Shift delivers a Specdex score of 90 — strongest in efficiency.

Does MSI MPG A1000G or Corsair RM850x Shift last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for efficiency, MSI MPG A1000G or Corsair RM850x Shift? +

Corsair RM850x Shift — leads on efficiency (90 vs 84). Compared on the efficiency sub-score.

Which is the better value, MSI MPG A1000G or Corsair RM850x Shift? +

Corsair RM850x Shift — more score per dollar ($179 vs $199). Specdex score per dollar at MSRP.