Corsair
Corsair RM850x (2024)
$169.99
Released 2024
Best Power Supplies · head-to-head
Corsair RM850x (2024) vs Cooler Master MWE Gold 850 V2
A sourced, side-by-side comparison. Cooler Master MWE Gold 850 V2 is cheaper at $109.99. Every spec and price links to its source.
Cooler Master
Cooler Master MWE Gold 850 V2
$109.99Cheaper
Released 2020
Which is better: the Corsair RM850x (2024) or Cooler Master MWE Gold 850 V2?
On the specs we track, they're closely matched. The Cooler Master MWE Gold 850 V2 is the cheaper at $109.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Corsair RM850x (2024) | Cooler Master MWE Gold 850 V2 |
|---|---|---|
| US price | $169.99 MSRP, black model | $109.99 MSRP |
| Brand | Corsair | Cooler Master |
| Released | 2024 | 2020 |
| Wattage (W) | 850 | 850 |
| Efficiency rating | 80plus_gold | 80plus_gold |
| Modular | full | full |
| Atx version | ATX 3.1 | ATX 2.4 |
| Pcie 5 12vhpwr | Yes | No |
| Fan size (mm) | 140 | 120 |
| Warranty years | 10 | 5 |
| Release year | 2024 | 2020 |
Sources — Corsair RM850x (2024): corsair.com (verified 2026-06-19). Cooler Master MWE Gold 850 V2: coolermaster.com (verified 2026-06-19).
What's the difference between the Corsair RM850x (2024) and Cooler Master MWE Gold 850 V2?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Atx version: Corsair RM850x (2024) ATX 3.1 vs Cooler Master MWE Gold 850 V2 ATX 2.4
- Pcie 5 12vhpwr: Corsair RM850x (2024) true vs Cooler Master MWE Gold 850 V2 false
- Fan size (mm): Corsair RM850x (2024) 140 vs Cooler Master MWE Gold 850 V2 120
- Warranty years: Corsair RM850x (2024) 10 vs Cooler Master MWE Gold 850 V2 5
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Corsair RM850x (2024)
Across 2 testing outlets, the Corsair RM850x (2024, ATX v3.1) tested as a capable, well-engineered 850W PSU. KitGuru rated it 9.0/10 after a week of testing, praising tight ripple suppression and solid load regulation across all rails, though it flagged the roughly £148/€160 price as expensive. Igor's Lab's lab measurements independently back up the strong build, recording Cybenetics Gold efficiency, a Cybenetics A noise rating, and a 10-year warranty, alongside confirmation that the unit meets the new ATX v3.1 standard. (2 sourced reviews, 2 lab-tested.)
Praised: Very capable, well-built PSU overall; Tight ripple suppression and good load/voltage regulation across all rails; Strong efficiency (Cybenetics Gold) and quiet operation (Cybenetics A noise rating), plus 10-year warranty and ATX v3.1 compliance.
Flagged: Relatively expensive (~£148 / ~€160).
Cooler Master MWE Gold 850 V2
No sourced tester review yet.