Corsair
RM1200e (2023) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
The CORSAIR RM1200e Fully Modular Low-Noise Power Supply provides quiet, reliable power with 80 PLUS Gold efficiency to your PC. Compliant with the ATX 3.1 power standard from Intel®, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated 100% Japanese Electrolytic capacitors deliver superb electrical performance, backed by a ten-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires…
SpecPicks Verdict
SpecPicks classifies CORSAIR RM1200e (2023) Fully Modular Low-Noise ATX Power Supply with… as a solid pick with broad community endorsement in the power supplies category, based on 55 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
- ✓ Solid 4.4★ customer rating
- ✓ 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
- Fully Modular PSU: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
- ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting the PCIe Gen 5 platform and resisting transient power spikes.
- Keeps Quiet: A 140mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
- Keeps Quiet: A 140mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
- Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
Full Specifications
| Brand | Corsair |
|---|---|
| Color | Black |
| Wattage | 1200 watts |
| Model Name | CORSAIR RM1200e |
| Form Factor | SFX12V |
| Keeps Quiet | A 140mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load. |
| Model Number | CP-9020258-NA |
| Built-In Media | Item |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 1200 Watts |
| Item Dimensions | 5.91 x 5.91 x 3.39 inches |
| Mfr Part Number | CP-9020258-NA |
| ATX 3.1 Compliant | Compliant with the ATX 3.1 power standard from Intel, supporting the PCIe Gen 5 platform and resisting transient power spikes. |
Ready to buy?
CORSAIR RM1200e (2023) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – 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 2026-05-23. Price and availability subject to change.
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