Corsair RM1000x Shift
1000 W · 80+ Gold · ATX 3.1
be quiet! Dark Power Pro 13 1300W
1300W · 80+ Titanium · Silent
Dead heat — it comes down to priorities.
In our weighted Specdex score, Corsair RM1000x Shift lands at 92 and be quiet! Dark Power Pro 13 1300W at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Corsair RM1000x Shift if…
- ✓ATX 3.1 + 12V-2x6
- ✓Side-mounted cables
- ✓Quiet zero-RPM
Pick be quiet! Dark Power Pro 13 1300W if…
- ✓Quietest 1300W PSU
- ✓80+ Titanium efficiency
- ✓12-year warranty
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 | Corsair RM1000x Shift | be quiet! Dark Power Pro 13 1300W |
|---|---|---|
| Wattage | 1000 W | 1300W |
| Efficiency | 80+ Gold | 80+ Titanium |
| Standard | ATX 3.1 | — |
| Connectors | 1× 12V-2x6 (600W) | — |
| Fan | 135 mm FDB | — |
| Cooling | — | 135 mm Silent Wings (semi-passive) |
| Modular | — | Fully modular |
| 12VHPWR | — | Native cable included |
| Warranty | — | 12 years |
Corsair RM1000x Shift
- +ATX 3.1 + 12V-2x6
- +Side-mounted cables
- +Quiet zero-RPM
- −Bulky side depth
- −Price creep
- −Gold not Platinum
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
FAQ: Corsair RM1000x Shift vs be quiet! Dark Power Pro 13 1300W
Which is better, Corsair RM1000x Shift or be quiet! Dark Power Pro 13 1300W? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Corsair RM1000x Shift worth the price? +
At $229, Corsair RM1000x Shift delivers a Specdex score of 92 — strongest in cables.
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.
Does Corsair RM1000x Shift or be quiet! Dark Power Pro 13 1300W 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 RM1000x Shift or be quiet! Dark Power Pro 13 1300W? +
be quiet! Dark Power Pro 13 1300W — leads on efficiency (100 vs 90). Compared on the efficiency sub-score.
Which is the better value, Corsair RM1000x Shift or be quiet! Dark Power Pro 13 1300W? +
Corsair RM1000x Shift — more score per dollar ($229 vs $449). Specdex score per dollar at MSRP.