Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply - White, 80 PLUS Gold (CP-9020188-NA)
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply - White, 80 PLUS Gold (CP-9020188-NA) is a niche pick — read recent reviews before buying in the power supplies category, priced around $109.95. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. 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
- ✓ Fully modular flat cables flexible fully modular flat White cables for Easy cable routing
- ✓ 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 specially set fan curve ensures that even at full load fan noise is kept to a minimum
- Zero rpm fan mode at Low and medium loads the cooling fan switches off entirely for near-silent operation
- 100% all Japanese capacitors premium internal components ensure unwavering power delivery and long-term reliability
- Fully modular flat cables flexible fully modular flat White cables for Easy cable routing
Full Specifications
| Brand | Corsair |
|---|---|
| Wattage | 850 watts |
| Model Name | RMx |
| Unit Count | 1.0 Count |
| Form Factor | ATX12V |
| Model Number | CP-9020188-NA |
| Connector Type | ATX, EPS |
| Cooling Method | Air |
| Item Type Name | Computer Power Supply |
| Number of Fans | 1 |
| Output Wattage | 850 |
| Item Dimensions | 6.3 x 5.91 x 3.39 inches |
| Mfr Part Number | CP-9020188-NA |
| Compatible Devices | Personal Computer |
Ready to buy?
Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply - White, 80 PLUS Gold (CP-9020188-NA) 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 2026-07-22. Price and availability subject to change.
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