be quiet! Dark Power 13 1000W
1000 W · Titanium · ATX 3.0
Corsair RM1000x Shift
1000 W · 80+ Gold · ATX 3.1
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 RM1000x Shift at 92. That puts be quiet! Dark Power 13 1000W ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick be quiet! Dark Power 13 1000W if…
- ✓80+ Titanium efficiency
- ✓Near-silent under load
- ✓12VHPWR included
Pick Corsair RM1000x Shift if…
- ✓ATX 3.1 + 12V-2x6
- ✓Side-mounted cables
- ✓Quiet zero-RPM
Winner by scenario
Derived from the sub-score breakdown · not a separate testNoise
be quiet! Dark Power 13 1000WCompared on the noise sub-score
be quiet! Dark Power 13 1000W leads on noise (96 vs 94).
Efficiency
be quiet! Dark Power 13 1000WCompared on the efficiency sub-score
be quiet! Dark Power 13 1000W leads on efficiency (98 vs 90).
Cables
Corsair RM1000x ShiftCompared on the cables sub-score
Corsair RM1000x Shift leads on cables (96 vs 90).
Value for money
Corsair RM1000x ShiftSpecdex score per dollar at MSRP
Corsair RM1000x Shift more score per dollar ($229 vs $329).
Score breakdown
Specs side-by-side
| Spec | be quiet! Dark Power 13 1000W | Corsair RM1000x Shift |
|---|---|---|
| Wattage | 1000 W | 1000 W |
| Efficiency | 80+ Titanium | 80+ Gold |
| Standard | ATX 3.0 | ATX 3.1 |
| Connectors | 1× 12VHPWR (600W) | 1× 12V-2x6 (600W) |
| Fan | — | 135 mm FDB |
be quiet! Dark Power 13 1000W
- +80+ Titanium efficiency
- +Near-silent under load
- +12VHPWR included
- −Very expensive
- −Heavy
- −Overlooked aesthetically vs competitors
Corsair RM1000x Shift
- +ATX 3.1 + 12V-2x6
- +Side-mounted cables
- +Quiet zero-RPM
- −Bulky side depth
- −Price creep
- −Gold not Platinum
FAQ: be quiet! Dark Power 13 1000W vs Corsair RM1000x Shift
Which is better, be quiet! Dark Power 13 1000W or Corsair RM1000x Shift? +
be quiet! Dark Power 13 1000W scores 94 on our weighted rubric — ahead by 2. 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 RM1000x Shift worth the price? +
At $229, Corsair RM1000x Shift delivers a Specdex score of 92 — strongest in cables.
Does be quiet! Dark Power 13 1000W or Corsair RM1000x Shift 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 noise, be quiet! Dark Power 13 1000W or Corsair RM1000x Shift? +
be quiet! Dark Power 13 1000W — leads on noise (96 vs 94). Compared on the noise sub-score.
Which is better for efficiency, be quiet! Dark Power 13 1000W or Corsair RM1000x Shift? +
be quiet! Dark Power 13 1000W — leads on efficiency (98 vs 90). Compared on the efficiency sub-score.