Corsair RM850x (2024)

An enthusiast-tier 850W Gold supply, fully modular with a native 12VHPWR connector, positioned as the default wattage for 5070 Ti and 9070 XT-class builds. That's its sweet spot. Step up to a 1000W-plus unit if you're feeding a 5090.
Scores
BreakdownHideOverall70±3Caliber-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
- The default 850W Gold for 5070 Ti/9070 XT class builds
Who should skip this
- 5090 builds (1000W+)
Where to buy
List price $170
Prices are a guide and can change — confirm the current price on the retailer's site before buying.
Also available at
- Newegg · $130Check price
- Micro Center · $170Check price
Prices last checked Jun 17, 2026 — retailer prices change often, so click through for the current price.
Some links may be affiliate links — we may earn a commission at no extra cost to you; rankings are never influenced by it.
Compatibility
No platform-specific compatibility requirements — this works in any standard pc builds setup.
Upgrade path
Buying today, the ASUS TUF Gaming 850W Gold scores higher for less — the smarter pick in power supplies unless you specifically want this one. See it →