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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 2
EcoFlow Delta Pro — Portable power station · 2022
EcoFlow

EcoFlow Delta Pro

Portable power station · 2022

90
/ 100
From $3,299
Specdex verdict

Corsair RM1000x Shift takes it — here’s why.

In our weighted Specdex score, Corsair RM1000x Shift lands at 92 and EcoFlow Delta Pro at 90. That puts Corsair RM1000x Shift ahead by 2 points — a narrow 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 EcoFlow Delta Pro if…

  • ✓LiFePO4 chemistry on modern SKUs (4000+ cycles)
  • ✓Solar input
  • ✓Multiple AC/DC/USB-C outputs
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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 90).

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

Corsair RM1000x Shift

Specdex score per dollar at MSRP

Corsair RM1000x Shift more score per dollar ($229 vs $3,299).

Corsair RM1000x Shift 92
vs
90 EcoFlow Delta Pro

Score breakdown

Corsair RM1000x Shift
92
efficiency 90
noise 94
cables 96
value 88
EcoFlow Delta Pro
90
efficiency 85
noise 86
cables 90
value 80

Specs side-by-side

Corsair RM1000x Shift versus EcoFlow Delta Pro — full spec comparison
Spec Corsair RM1000x Shift EcoFlow Delta Pro
Wattage
1000 W
—
Efficiency
80+ Gold
—
Standard
ATX 3.1
—
Connectors
1× 12V-2x6 (600W)
—
Fan
135 mm FDB
—
Type
—
Portable power station
Release year
—
2022

Corsair RM1000x Shift

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

EcoFlow Delta Pro

Pros
  • +LiFePO4 chemistry on modern SKUs (4000+ cycles)
  • +Solar input
  • +Multiple AC/DC/USB-C outputs
Cons
  • −Heavy
  • −Pricey per Wh
  • −Shipping restrictions (Li-ion)

FAQ: Corsair RM1000x Shift vs EcoFlow Delta Pro

Which is better, Corsair RM1000x Shift or EcoFlow Delta Pro? +

Corsair RM1000x Shift scores 92 on our weighted rubric — ahead by 2. 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 EcoFlow Delta Pro worth the price? +

At $3,299, EcoFlow Delta Pro delivers a Specdex score of 90 — strongest in cables.

Does Corsair RM1000x Shift or EcoFlow Delta Pro 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 EcoFlow Delta Pro? +

Corsair RM1000x Shift — leads on cables (96 vs 90). Compared on the cables sub-score.

Which is better for noise, Corsair RM1000x Shift or EcoFlow Delta Pro? +

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