be quiet! - Dark Power Pro 13 1300W vs Corsair - RM1200x SHIFT
Between the Dark Power Pro 13 1300W and RM1200x SHIFT, the Dark Power Pro 13 1300W comes out ahead in wattage and efficiency, while the RM1200x SHIFT wins on several specs. Overall, the Dark Power Pro 13 1300W scores 82 and the RM1200x SHIFT scores 77.5 on our Mars Score.
Which should you buy?
The Dark Power Pro 13 1300W edges ahead on the Mars Score (82 vs 77.5), but the 4.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Dark Power Pro 13 1300W if you care most about wattage and efficiency. The biggest gaps in its favor are wattage, efficiency.
The RM1200x SHIFT similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable modular, atx 3.0 / 12vhpwr, warranty, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why be quiet! - Dark Power Pro 13 1300W wins
- ▲Wattage — 8.33% more. 1300 W vs 1200 W.
- ▲Efficiency: 80+ Titanium (vs 80+ Gold).
Why Corsair - RM1200x SHIFT wins
- No decisive advantages.
Spec comparison
Spec
| Spec | be quiet! - Dark Power Pro 13 1300W | Corsair - RM1200x SHIFT |
|---|---|---|
| Wattage | 1300 Wlead | 1200 W |
| Efficiency | 80+ Titaniumlead | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Dark Power Pro 13 1300W | Corsair - RM1200x SHIFT |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |
Frequently asked
Spec-level deep dives
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