be quiet! - Pure Power 12 M 850W vs Seasonic - FOCUS GX-850
Between the Pure Power 12 M 850W and FOCUS GX-850, the Pure Power 12 M 850W comes out ahead in several specs, while the FOCUS GX-850 wins on several specs. Overall, the Pure Power 12 M 850W scores 61.1 and the FOCUS GX-850 scores 61.1 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.
The Pure Power 12 M 850W doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
The FOCUS GX-850 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable wattage, efficiency, modular, 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! - Pure Power 12 M 850W wins
- No decisive advantages.
Why Seasonic - FOCUS GX-850 wins
- No decisive advantages.
Spec comparison
Spec
| Spec | be quiet! - Pure Power 12 M 850W | Seasonic - FOCUS GX-850 |
|---|---|---|
| Wattage | 850 W | 850 W |
| Efficiency | 80+ Gold | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Pure Power 12 M 850W | Seasonic - FOCUS GX-850 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |
Frequently asked
Spec-level deep dives
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