Corsair RM850x Shift
850 W · Gold
be quiet! Dark Power 13 1000W
1000 W · Titanium
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
Winner by scenario
Derived from the sub-score breakdown · not a separate testEfficiency
be quiet! Dark Power 13 1000WCompared on the efficiency sub-score
be quiet! Dark Power 13 1000W leads on efficiency (94 vs 90).
Noise
TieCompared on the noise sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Cables
TieCompared on the cables sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Corsair RM850x ShiftSpecdex score per dollar at MSRP
Corsair RM850x Shift more score per dollar ($179 vs $329).
Score breakdown
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
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
be quiet! Dark Power 13 1000W
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −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.
Which is better for efficiency, Corsair RM850x Shift or be quiet! Dark Power 13 1000W? +
be quiet! Dark Power 13 1000W — leads on efficiency (94 vs 90). Compared on the efficiency sub-score.
Which is the better value, Corsair RM850x Shift or be quiet! Dark Power 13 1000W? +
Corsair RM850x Shift — more score per dollar ($179 vs $329). Specdex score per dollar at MSRP.