Corsair
Corsair RM850x Shift
850 W · Gold
90
/ 100
From $179
VS
be quiet! Dark Power 13 1000W wins by 4
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 RM850x Shift lands at 90 and be quiet! Dark Power 13 1000W at 94. That puts be quiet! Dark Power 13 1000W ahead by 4 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 be quiet! Dark Power 13 1000W if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Corsair RM850x Shift 90
vs 94 be quiet! Dark Power 13 1000W
Score breakdown
Corsair RM850x Shift
90 efficiency 90
noise 86
cables 86
value 84
be quiet! Dark Power 13 1000W
94 efficiency 94
noise 86
cables 86
value 84
Specs side-by-side
| Spec | Corsair RM850x Shift | be quiet! Dark Power 13 1000W |
|---|---|---|
| Wattage | 850 W | 1000 W |
| Efficiency | Gold | Titanium |
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
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 RM850x Shift vs be quiet! Dark Power 13 1000W
Which is better, Corsair RM850x Shift or be quiet! Dark Power 13 1000W? +
be quiet! Dark Power 13 1000W scores 94 on our weighted rubric — ahead by 4. 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 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 RM850x Shift 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.