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be quiet! Dark Power 13 1000W — 1000 W · Titanium
be quiet!

be quiet! Dark Power 13 1000W

1000 W · Titanium

94
/ 100
From $329
VS
be quiet! Dark Power 13 1000W wins by 5
Corsair RM850e — 850W · 80+ Gold · 12VHPWR
Corsair

Corsair RM850e

850W · 80+ Gold · 12VHPWR

89
/ 100
From $139
Specdex verdict

be quiet! Dark Power 13 1000W takes it — here’s why.

In our weighted Specdex score, be quiet! Dark Power 13 1000W lands at 94 and Corsair RM850e at 89. That puts be quiet! Dark Power 13 1000W ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

Pick be quiet! Dark Power 13 1000W if…

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

Pick Corsair RM850e if…

  • Sub-$150 12VHPWR-ready PSU
  • 80+ Gold + Cybenetics Gold
  • 7-year warranty
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Winner by scenario

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

Efficiency

be quiet! Dark Power 13 1000W

Compared on the efficiency sub-score

be quiet! Dark Power 13 1000W leads on efficiency (94 vs 92).

Value for money

Corsair RM850e

Specdex score per dollar at MSRP

Corsair RM850e more score per dollar ($139 vs $329).

be quiet! Dark Power 13 1000W 94
vs
89 Corsair RM850e

Score breakdown

be quiet! Dark Power 13 1000W
94
efficiency 94
noise 86
cables 86
value 84
build 0
features 0
Corsair RM850e
89
efficiency 92
noise 0
cables 0
value 96
build 90
features 88

Specs side-by-side

be quiet! Dark Power 13 1000W versus Corsair RM850e — full spec comparison
Spec be quiet! Dark Power 13 1000W Corsair RM850e
Wattage
1000 W
850W
Efficiency
Titanium
80+ Gold
Cooling
120 mm rifle-bearing fan
Modular
Fully modular
12VHPWR
1× 600W native
Warranty
7 years

be quiet! Dark Power 13 1000W

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 RM850e

Pros
  • +Sub-$150 12VHPWR-ready PSU
  • +80+ Gold + Cybenetics Gold
  • +7-year warranty
Cons
  • Single-rail design (mostly fine)
  • Cables ribbon-flat (some prefer round)
  • No iCUE Link

FAQ: be quiet! Dark Power 13 1000W vs Corsair RM850e

Which is better, be quiet! Dark Power 13 1000W or Corsair RM850e? +

be quiet! Dark Power 13 1000W scores 94 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

Is be quiet! Dark Power 13 1000W worth the price? +

At $329, be quiet! Dark Power 13 1000W delivers a Specdex score of 94 — strongest in efficiency.

Is Corsair RM850e worth the price? +

At $139, Corsair RM850e delivers a Specdex score of 89 — strongest in value.

Does be quiet! Dark Power 13 1000W or Corsair RM850e 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, be quiet! Dark Power 13 1000W or Corsair RM850e? +

be quiet! Dark Power 13 1000W — leads on efficiency (94 vs 92). Compared on the efficiency sub-score.

Which is the better value, be quiet! Dark Power 13 1000W or Corsair RM850e? +

Corsair RM850e — more score per dollar ($139 vs $329). Specdex score per dollar at MSRP.