Corsair
Corsair RM850e
850W · 80+ Gold · 12VHPWR
89
/ 100
From $139
VS
be quiet! Dark Power 13 1000W wins by 5
be quiet!
be quiet! Dark Power 13 1000W
1000 W · Titanium
94
/ 100
From $329
Specdex verdict
be quiet! Dark Power 13 1000W takes it — here’s why.
In our weighted Specdex score, Corsair RM850e lands at 89 and be quiet! Dark Power 13 1000W at 94. 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 Corsair RM850e if…
- ✓Sub-$150 12VHPWR-ready PSU
- ✓80+ Gold + Cybenetics Gold
- ✓7-year warranty
Pick be quiet! Dark Power 13 1000W if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Corsair RM850e 89
vs 94 be quiet! Dark Power 13 1000W
Score breakdown
Corsair RM850e
89 efficiency 92
build 90
features 88
value 96
noise 0
cables 0
be quiet! Dark Power 13 1000W
94 efficiency 94
build 0
features 0
value 84
noise 86
cables 86
Specs side-by-side
| Spec | Corsair RM850e | be quiet! Dark Power 13 1000W |
|---|---|---|
| Wattage | 850W | 1000 W |
| Efficiency | 80+ Gold | Titanium |
| Cooling | 120 mm rifle-bearing fan | — |
| Modular | Fully modular | — |
| 12VHPWR | 1× 600W native | — |
| Warranty | 7 years | — |
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
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
FAQ: Corsair RM850e vs be quiet! Dark Power 13 1000W
Which is better, Corsair RM850e or be quiet! Dark Power 13 1000W? +
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 Corsair RM850e worth the price? +
At $139, Corsair RM850e delivers a Specdex score of 89 — strongest in value.
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.
Does Corsair RM850e or be quiet! Dark Power 13 1000W 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.