Corsair RM850e Review
850W · 80+ Gold · 12VHPWR
Specdex verdict Corsair's Corsair RM850e is a solid premium pick — strongly recommended, even if it doesn't unseat the category leaders.
The price-conscious 850W modular PSU with 12VHPWR. Strong 80+ Gold efficiency, 7-year warranty, native 600W 12VHPWR cable for RTX 5070+ builds.
Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.
Corsair RM850e versus its closest rivals
- +Sub-$150 12VHPWR-ready PSU
- +80+ Gold + Cybenetics Gold
- +7-year warranty
- −Single-rail design (mostly fine)
- −Cables ribbon-flat (some prefer round)
- −No iCUE Link
Who's the Corsair RM850e for?
Quick verdicts for the most common buyer profiles, derived from the sub-scores above.
Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.
At $139 this is a genuine value play — Specdex score of 89 far exceeds the typical sub-$500 baseline.
In the box
What you get when you unbox the Corsair RM850e.
- Power supply
- AC power cable
- Modular cables
- Mounting screws
- Cable ties
Standard contents — region/SKU may vary; confirm at retailer.
Sources & benchmarks
Cited, not generatedSpecdex does not run benchmarks in-house. We're rolling out cited public benchmark data category by category — PassMark for CPUs and GPUs is wired today; DXOMark, RTINGS, Geekbench, and NotebookCheck will follow.
Sources we use when available: PassMark for CPU/GPU, Geekbench Browser for synthetic, DXOMark for camera scores, RTINGS for TVs, monitors, and headphones. See methodology.
Specifications
Editorial · awaiting verification| Specification | Value |
|---|---|
| Warranty | 7 years |
| Specification | Value |
|---|---|
| Wattage | 850W |
| Efficiency | 80+ Gold |
| Cooling | 120 mm rifle-bearing fan |
| Modular | Fully modular |
| 12VHPWR | 1× 600W native |
Cheaper alternatives to the Corsair RM850e
Same category, at least 20% cheaper, best-scoring picks from our catalog.
Step up from the Corsair RM850e
Higher-scoring power supplies if you've got more to spend.
More from Corsair
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Also consider
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Where the Corsair RM850e appears on Specdex
Curated lists, spec rankings, and buying guides where this product is mentioned or ranked.