Corsair
RM850, RM Series, 80 Plus Gold Certified, 850 W Fully Modular ATX Power Supply - Black
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
CORSAIR RM Series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. RM PSUs utilize industrial-grade, 105°C-rated capacitors for superb performance and reliability, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the new Microsoft Modern Standby sleep mode. Zero RPM mode ensures virtually silent operation at low and medium loads. Fully modular cables make PC builds and upgrades easy, as you need only connect the cables your system requires. SLI Ready for multiple GPUs, an RMx PSU…
SpecPicks Verdict
SpecPicks classifies Corsair RM850, RM Series, 80 Plus Gold Certified, 850 W Fully… as a category leader on buyer feedback in the power supplies category, based on 1,217 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Corsair's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Large, well-vetted feedback pool (1,217 reviews)
- ✓ Backed by Corsair's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 80 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise and cooler temperatures
- Tuned for Low Noise Operation: A 135 mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load
- 105 degree Celsius-Rated Capacitors: Industrial-grade capacitors deliver solid electrical performance and reliability
- Microsoft Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency
- Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation
Full Specifications
| Brand | Corsair |
|---|---|
| Color | Black |
| Wattage | 850 watts |
| Fan Size | 135 Millimeters |
| Model Name | RM Series |
| Form Factor | ATX |
| Model Number | CP-9020196-UK |
| Connector Type | ATX |
| Cooling Method | Air |
| Item Type Name | CORSAIR RM Series RM850 80 PLUS Gold Fully Modular ATX Power Supply |
| Number of Fans | 1 |
| Output Wattage | 850 |
| Item Dimensions | 11.89 x 8.43 x 5.08 inches |
| Mfr Part Number | CP-9020196-UK |
Ready to buy?
Corsair RM850, RM Series, 80 Plus Gold Certified, 850 W Fully Modular ATX Power Supply - Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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