be quiet! - Pure Power 12 M 850W vs Fractal Design - Ion+ 2 Platinum 860W
Between the Pure Power 12 M 850W and Ion+ 2 Platinum 860W, the Pure Power 12 M 850W comes out ahead in atx 3.0 / 12vhpwr, while the Ion+ 2 Platinum 860W wins on wattage / efficiency. Overall, the Pure Power 12 M 850W scores 61.1 and the Ion+ 2 Platinum 860W scores 61.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (61.1 vs 61.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Pure Power 12 M 850W if you care most about atx 3.0 / 12vhpwr. The biggest gaps in its favor are atx 3.0 / 12vhpwr.
Pick the Ion+ 2 Platinum 860W if you care most about wattage / efficiency. Its strongest claims are wattage, efficiency.
Both ship with comparable modular, warranty, 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
- ▲Has ATX 3.0 / 12VHPWR.
Why Fractal Design - Ion+ 2 Platinum 860W wins
- ▲Wattage — 1.18% more. 860 W vs 850 W.
- ▲Efficiency: 80+ Platinum (vs 80+ Gold).
Spec comparison
Spec
| Spec | be quiet! - Pure Power 12 M 850W | Fractal Design - Ion+ 2 Platinum 860W |
|---|---|---|
| Wattage | 850 W | 860 Wlead |
| Efficiency | 80+ Gold | 80+ Platinumlead |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Pure Power 12 M 850W | Fractal Design - Ion+ 2 Platinum 860W |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | truelead | false |
| Warranty | 10 yrs | 10 yrs |
Spec-level deep dives
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