be quiet! Dark Power Pro 13 1300W
1300W · 80+ Titanium · Silent
Corsair RM1000x Shift
1000 W · 80+ Gold · ATX 3.1
Dead heat — it comes down to priorities.
In our weighted Specdex score, be quiet! Dark Power Pro 13 1300W lands at 92 and Corsair RM1000x Shift at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick be quiet! Dark Power Pro 13 1300W if…
- ✓Quietest 1300W PSU
- ✓80+ Titanium efficiency
- ✓12-year warranty
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 testEfficiency
be quiet! Dark Power Pro 13 1300WCompared on the efficiency sub-score
be quiet! Dark Power Pro 13 1300W leads on efficiency (100 vs 90).
Value for money
Corsair RM1000x ShiftSpecdex score per dollar at MSRP
Corsair RM1000x Shift more score per dollar ($229 vs $449).
Score breakdown
Specs side-by-side
| Spec | be quiet! Dark Power Pro 13 1300W | Corsair RM1000x Shift |
|---|---|---|
| Wattage | 1300W | 1000 W |
| Efficiency | 80+ Titanium | 80+ Gold |
| Cooling | 135 mm Silent Wings (semi-passive) | — |
| Modular | Fully modular | — |
| 12VHPWR | Native cable included | — |
| Warranty | 12 years | — |
| Standard | — | ATX 3.1 |
| Connectors | — | 1× 12V-2x6 (600W) |
| Fan | — | 135 mm FDB |
be quiet! Dark Power Pro 13 1300W
- +Quietest 1300W PSU
- +80+ Titanium efficiency
- +12-year warranty
- −Premium pricing
- −Silent Wings 135 mm fan rare to source for replacement
- −Only one 12VHPWR cable included
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 Pro 13 1300W vs Corsair RM1000x Shift
Which is better, be quiet! Dark Power Pro 13 1300W or Corsair RM1000x Shift? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is be quiet! Dark Power Pro 13 1300W worth the price? +
At $449, be quiet! Dark Power Pro 13 1300W delivers a Specdex score of 92 — 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 Pro 13 1300W 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 efficiency, be quiet! Dark Power Pro 13 1300W or Corsair RM1000x Shift? +
be quiet! Dark Power Pro 13 1300W — leads on efficiency (100 vs 90). Compared on the efficiency sub-score.
Which is the better value, be quiet! Dark Power Pro 13 1300W or Corsair RM1000x Shift? +
Corsair RM1000x Shift — more score per dollar ($229 vs $449). Specdex score per dollar at MSRP.