be quiet! Dark Power Pro 13 1300W
1300W · 80+ Titanium · Silent
Corsair RM850x Shift
850 W · Gold
be quiet! Dark Power Pro 13 1300W takes it — here’s why.
In our weighted Specdex score, be quiet! Dark Power Pro 13 1300W lands at 92 and Corsair RM850x Shift at 90. That puts be quiet! Dark Power Pro 13 1300W ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick be quiet! Dark Power Pro 13 1300W if…
- ✓Quietest 1300W PSU
- ✓80+ Titanium efficiency
- ✓12-year warranty
Pick Corsair RM850x Shift 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 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 RM850x ShiftSpecdex score per dollar at MSRP
Corsair RM850x Shift more score per dollar ($179 vs $449).
Score breakdown
Specs side-by-side
| Spec | be quiet! Dark Power Pro 13 1300W | Corsair RM850x Shift |
|---|---|---|
| Wattage | 1300W | 850 W |
| Efficiency | 80+ Titanium | Gold |
| Cooling | 135 mm Silent Wings (semi-passive) | — |
| Modular | Fully modular | — |
| 12VHPWR | Native cable included | — |
| Warranty | 12 years | — |
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 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
FAQ: be quiet! Dark Power Pro 13 1300W vs Corsair RM850x Shift
Which is better, be quiet! Dark Power Pro 13 1300W or Corsair RM850x Shift? +
be quiet! Dark Power Pro 13 1300W scores 92 on our weighted rubric — ahead by 2. 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 RM850x Shift worth the price? +
At $179, Corsair RM850x Shift delivers a Specdex score of 90 — strongest in efficiency.
Does be quiet! Dark Power Pro 13 1300W or Corsair RM850x 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 RM850x 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 RM850x Shift? +
Corsair RM850x Shift — more score per dollar ($179 vs $449). Specdex score per dollar at MSRP.