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Corsair RM850x Shift — 850 W · Gold
Corsair

Corsair RM850x Shift

850 W · Gold

90
/ 100
From $179
VS
Anker SOLIX F3800 wins by 1
Anker SOLIX F3800 — Portable power station · 2024
Anker

Anker SOLIX F3800

Portable power station · 2024

91
/ 100
From $3,999
Specdex verdict

Anker SOLIX F3800 takes it — here’s why.

In our weighted Specdex score, Corsair RM850x Shift lands at 90 and Anker SOLIX F3800 at 91. That puts Anker SOLIX F3800 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 Anker SOLIX F3800 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

Efficiency

Corsair RM850x Shift

Compared on the efficiency sub-score

Corsair RM850x Shift leads on efficiency (90 vs 86).

Cables

Anker SOLIX F3800

Compared on the cables sub-score

Anker SOLIX F3800 leads on cables (90 vs 86).

Noise

Tie

Compared on the noise 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 $3,999).

Corsair RM850x Shift 90
vs
91 Anker SOLIX F3800

Score breakdown

Corsair RM850x Shift
90
efficiency 90
noise 86
cables 86
value 84
Anker SOLIX F3800
91
efficiency 86
noise 86
cables 90
value 80

Specs side-by-side

Corsair RM850x Shift versus Anker SOLIX F3800 — full spec comparison
Spec Corsair RM850x Shift Anker SOLIX F3800
Wattage
850 W
—
Efficiency
Gold
—
Type
—
Portable power station
Release year
—
2024

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

Anker SOLIX F3800

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 RM850x Shift vs Anker SOLIX F3800

Which is better, Corsair RM850x Shift or Anker SOLIX F3800? +

Anker SOLIX F3800 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 Anker SOLIX F3800 worth the price? +

At $3,999, Anker SOLIX F3800 delivers a Specdex score of 91 — strongest in cables.

Does Corsair RM850x Shift or Anker SOLIX F3800 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 Anker SOLIX F3800? +

Corsair RM850x Shift — leads on efficiency (90 vs 86). Compared on the efficiency sub-score.

Which is better for cables, Corsair RM850x Shift or Anker SOLIX F3800? +

Anker SOLIX F3800 — leads on cables (90 vs 86). Compared on the cables sub-score.