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Corsair RM850x Shift — 850 W · Gold
Corsair

Corsair RM850x Shift

850 W · Gold

90
/ 100
From $179
VS
NZXT C1500 Platinum wins by 1
NZXT C1500 Platinum — 1500 W · Platinum · ATX 3.1
NZXT

NZXT C1500 Platinum

1500 W · Platinum · ATX 3.1

91
/ 100
From $349
Specdex verdict

NZXT C1500 Platinum takes it — here’s why.

In our weighted Specdex score, Corsair RM850x Shift lands at 90 and NZXT C1500 Platinum at 91. That puts NZXT C1500 Platinum ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Corsair RM850x Shift if…

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

Pick NZXT C1500 Platinum if…

  • ✓Massive 1500 W headroom
  • ✓ATX 3.1 12V-2x6
  • ✓CAM software monitoring
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Winner by scenario

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

Efficiency

NZXT C1500 Platinum

Compared on the efficiency sub-score

NZXT C1500 Platinum leads on efficiency (94 vs 90).

Cables

NZXT C1500 Platinum

Compared on the cables sub-score

NZXT C1500 Platinum leads on cables (92 vs 86).

Noise

NZXT C1500 Platinum

Compared on the noise sub-score

NZXT C1500 Platinum leads on noise (88 vs 86).

Value for money

Corsair RM850x Shift

Specdex score per dollar at MSRP

Corsair RM850x Shift more score per dollar ($179 vs $349).

Corsair RM850x Shift 90
vs
91 NZXT C1500 Platinum

Score breakdown

Corsair RM850x Shift
90
efficiency 90
noise 86
cables 86
value 84
NZXT C1500 Platinum
91
efficiency 94
noise 88
cables 92
value 86

Specs side-by-side

Corsair RM850x Shift versus NZXT C1500 Platinum — full spec comparison
Spec Corsair RM850x Shift NZXT C1500 Platinum
Wattage
850 W
1500 W
Efficiency
Gold
80+ Platinum
Standard
—
ATX 3.1
Connectors
—
1× 12V-2x6 (600W)

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

NZXT C1500 Platinum

Pros
  • +Massive 1500 W headroom
  • +ATX 3.1 12V-2x6
  • +CAM software monitoring
Cons
  • −Overkill for most builds
  • −Expensive
  • −Fan a hair loud at max

FAQ: Corsair RM850x Shift vs NZXT C1500 Platinum

Which is better, Corsair RM850x Shift or NZXT C1500 Platinum? +

NZXT C1500 Platinum scores 91 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Corsair RM850x Shift worth the price? +

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

Is NZXT C1500 Platinum worth the price? +

At $349, NZXT C1500 Platinum delivers a Specdex score of 91 — strongest in efficiency.

Does Corsair RM850x Shift or NZXT C1500 Platinum 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, Corsair RM850x Shift or NZXT C1500 Platinum? +

NZXT C1500 Platinum — leads on efficiency (94 vs 90). Compared on the efficiency sub-score.

Which is better for cables, Corsair RM850x Shift or NZXT C1500 Platinum? +

NZXT C1500 Platinum — leads on cables (92 vs 86). Compared on the cables sub-score.