Seasonic Focus V3 GX-850
An 850W fully modular, 80 Plus Gold supply with native PCIe 5.0 12VHPWR support, this enthusiast-tier unit pitches Seasonic reliability below the price of the comparable RM850x. The Gold efficiency and modular cabling make it a sensible mainstream choice for a single high-end GPU build. With no notable drawbacks, it lands as a dependable value pick within Seasonic's range.
Scores
BreakdownHideOverall68±6Caliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: compatibility (no ecosystem dimension).
Scores
BreakdownHideCaliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: compatibility (no ecosystem dimension).
The ± band on the overall score reflects sourcing confidence — wider when fewer specs are verified.
How each score is computed: our scoring methodology.
Specifications
| Spec | Value | Verification |
|---|---|---|
| wattage | 850Sourced | Sourced |
| efficiency | 80plus GoldSourced | Sourced |
| modular | fullSourced | Sourced |
| pcie5 12vhpwr | yesSourced | Sourced |
4/4 detail specs sourced. Amber rows are flagged for verification — we show them as reported, not confirmed.
Verdict
Best for
- Seasonic reliability at a lower price than the RM850x
Who should skip this
- —
Where to buy
List price $160
Prices are a guide and can change — confirm the current price on the retailer's site before buying.
Prices last checked Jun 15, 2026 — retailer prices change often, so click through for the current price.
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Compatibility
No platform-specific compatibility requirements — this works in any standard pc builds setup.
Upgrade path
Buying today, the Super Flower Leadex VII XG 850W scores higher for less — the smarter pick in power supplies unless you specifically want this one. See it →