CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – Black
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – Black is a niche pick — read recent reviews before buying in the power supplies category, priced around $151.49. Read recent reviews carefully before committing.
CORSAIR RMx Series Fully Modular Low-Noise Power Supplies deliver quiet, dependable power with Cybenetics Gold efficiency to your PC. Fully modular, ultra-flexible embossed cables make PC builds easy, as you connect only the cables your system requires. Compliant with the ATX 3.1 power standard from Intel®, RMx PSUs have the connections needed to power today’s demanding PC hardware including a native 12V-2x6 connector. 100% Japanese 105°C-rated electrolytic capacitors deliver fantastic electrical performance, while a 140mm FDB fan provides low noise cooling. Backed by a ten-year warranty…
SpecPicks Verdict
SpecPicks classifies CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power… 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
- ✓ 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
- Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.
- Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.
- ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.
- Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.
- Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.
Full Specifications
| Brand | Corsair |
|---|---|
| Color | Black |
| Wattage | 1000 watts |
| Model Name | RM1000x |
| Form Factor | ATX |
| Model Number | CP-9020271-NA/AM |
| Fully Modular | Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs. |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 1000 Watts |
| Item Dimensions | 2.3 x 3.39 x 5.91 inches |
| Mfr Part Number | CP-9020271-NA/AM |
| ATX 3.1 Compliant | Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes. |
| Compatible Devices | Monitor |
Ready to buy?
CORSAIR RM1000x ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native 12V-2x6 Connector – 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 2026-07-22. Price and availability subject to change.
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