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Corsair RM1000x Shift — 1000 W · 80+ Gold · ATX 3.1
Corsair

Corsair RM1000x Shift

1000 W · 80+ Gold · ATX 3.1

92
/ 100
From $229
VS
Corsair RM1000x Shift wins by 7
NZXT C850 Gold — 850 W · Gold
NZXT

NZXT C850 Gold

850 W · Gold

85
/ 100
From $149
Specdex verdict

Corsair RM1000x Shift takes it — here’s why.

In our weighted Specdex score, Corsair RM1000x Shift lands at 92 and NZXT C850 Gold at 85. That puts Corsair RM1000x Shift ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Corsair RM1000x Shift if…

  • ✓ATX 3.1 + 12V-2x6
  • ✓Side-mounted cables
  • ✓Quiet zero-RPM

Pick NZXT C850 Gold 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

Cables

Corsair RM1000x Shift

Compared on the cables sub-score

Corsair RM1000x Shift leads on cables (96 vs 86).

Noise

Corsair RM1000x Shift

Compared on the noise sub-score

Corsair RM1000x Shift leads on noise (94 vs 86).

Efficiency

Corsair RM1000x Shift

Compared on the efficiency sub-score

Corsair RM1000x Shift leads on efficiency (90 vs 85).

Value for money

NZXT C850 Gold

Specdex score per dollar at MSRP

NZXT C850 Gold more score per dollar ($149 vs $229).

Corsair RM1000x Shift 92
vs
85 NZXT C850 Gold

Score breakdown

Corsair RM1000x Shift
92
efficiency 90
noise 94
cables 96
value 88
NZXT C850 Gold
85
efficiency 85
noise 86
cables 86
value 84

Specs side-by-side

Corsair RM1000x Shift versus NZXT C850 Gold — full spec comparison
Spec Corsair RM1000x Shift NZXT C850 Gold
Wattage
1000 W
850 W
Efficiency
80+ Gold
Gold
Standard
ATX 3.1
—
Connectors
1× 12V-2x6 (600W)
—
Fan
135 mm FDB
—

Corsair RM1000x Shift

Pros
  • +ATX 3.1 + 12V-2x6
  • +Side-mounted cables
  • +Quiet zero-RPM
Cons
  • −Bulky side depth
  • −Price creep
  • −Gold not Platinum

NZXT C850 Gold

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: Corsair RM1000x Shift vs NZXT C850 Gold

Which is better, Corsair RM1000x Shift or NZXT C850 Gold? +

Corsair RM1000x Shift scores 92 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.

Is Corsair RM1000x Shift worth the price? +

At $229, Corsair RM1000x Shift delivers a Specdex score of 92 — strongest in cables.

Is NZXT C850 Gold worth the price? +

At $149, NZXT C850 Gold delivers a Specdex score of 85 — strongest in noise.

Does Corsair RM1000x Shift or NZXT C850 Gold 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 cables, Corsair RM1000x Shift or NZXT C850 Gold? +

Corsair RM1000x Shift — leads on cables (96 vs 86). Compared on the cables sub-score.

Which is better for noise, Corsair RM1000x Shift or NZXT C850 Gold? +

Corsair RM1000x Shift — leads on noise (94 vs 86). Compared on the noise sub-score.