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; the decision sits on which individual spec advantages weigh more for your use.
The Pure Power 12 M 850W does not 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 does not 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 do not 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 says 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 |
Spec-level deep dives
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