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Seasonic Focus GX-850 (V4) vs be quiet! Pure Power 12 M 850W

A sourced, side-by-side comparison. be quiet! Pure Power 12 M 850W is cheaper at $134.9. Every spec and price links to its source.

Which is better: the Seasonic Focus GX-850 (V4) or be quiet! Pure Power 12 M 850W?

On the specs we track, they're closely matched. The be quiet! Pure Power 12 M 850W is the cheaper at $134.9.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Seasonic Focus GX-850 (V4) be quiet! Pure Power 12 M 850W
US price $149.99 MSRP, black model $134.9 MSRP (USD)
BrandSeasonicbe quiet!
Released2024-112023-02
Wattage (W) 850 850
Efficiency rating 80plus_gold 80plus_gold
Modular full full
Atx version ATX 3.1 ATX 3.0
Pcie 5 12vhpwr Yes Yes
Fan size (mm) 135 120
Warranty years 10 10
Release year 2024 2023

Sources — Seasonic Focus GX-850 (V4): amazon.com (verified 2026-06-19). be quiet! Pure Power 12 M 850W: bequiet.com (verified 2026-06-19).

What's the difference between the Seasonic Focus GX-850 (V4) and be quiet! Pure Power 12 M 850W?

Where the two actually differ on the specs we track (2 of 7). Matching specs are omitted.

  • Atx version: Seasonic Focus GX-850 (V4) ATX 3.1 vs be quiet! Pure Power 12 M 850W ATX 3.0
  • Fan size (mm): Seasonic Focus GX-850 (V4) 135 vs be quiet! Pure Power 12 M 850W 120

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