CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – White
Bottom line: The CORSAIR RM1000e ATX 3.1 PCIe 5.1 Ready 1000W Power Supply ($151.99 on Amazon as of 2026-10-21 04:20 UTC): Native 12V-2x6 connector and cable for PCIe 5.1 graphics cards; main trade-off: cybenetics Gold efficiency, not Platinum or Titanium.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Native 12V-2x6 connector and cable for PCIe 5.1 graphics cards
- ✓ Intel ATX 3.1 certified, rated for 2x GPU transient power excursions
- ✓ Fully modular cabling, so unused cables stay out of the case
- ✓ 120mm rifle bearing fan with a low-noise curve, even at full load
- ✓ Seven-year warranty backed by 105°C-rated capacitors
Cons
- ✗ Cybenetics Gold efficiency, not Platinum or Titanium
- ✗ Rifle bearing fan rather than a fluid dynamic or magnetic bearing
- ✗ No zero-RPM fan mode listed in the product specs
- ✗ 1000W is more capacity than most single mid-range GPU builds need
Manufacturer description
The CORSAIR RM1000e (2025) is a 1000W fully modular power supply built for current GPU platforms, finished in white for builds where the PSU is on display. It is Intel ATX 3.1 certified and PCIe 5.1 ready, so it is designed to withstand 2x transient power excursions from the graphics card. You get a native 12V-2x6 connector and cable plus an array of PCIe 8-pin connectors, covering both new and previous-generation cards. Because the cabling is fully modular, you connect only the cables your build needs, which keeps the case cleaner and airflow less obstructed. Noise stays in check with a…
SpecPicks Verdict
SpecPicks scored CORSAIR RM1000e ATX 3.1 PCIe 5.1 Ready 1000W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Compare with similarly-priced alternatives in the power supplies & cables category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies & cables 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Does the CORSAIR RM1000e (2025) work with GPUs that use the 12V-2x6 power connector?
Yes. It includes a native 12V-2x6 connector and cable and is ATX 3.1 and PCIe 5.1 compliant. It also has an array of PCIe 8-pin connectors for cards that use those. Check your GPU maker's recommended PSU wattage for your exact card.
Is the RM1000e fully modular?
Yes. Every cable is modular, so you connect only the cables your build needs and leave the rest out of the case.
What warranty comes with the CORSAIR RM1000e?
Corsair backs the RMe series with a seven-year warranty. Check Corsair's product listing for the current terms and registration requirements.
How loud is the RM1000e under heavy load?
It uses a 120mm rifle bearing fan with a specially calculated fan curve that is designed to keep noise down even at full load. Corsair does not give a decibel figure in this listing.
Will this 1000W power supply fit in my case?
The RM1000e casing is 140mm long, which is compact for a 1000W ATX unit. Compare that figure, plus room for the modular cables, with your case's maximum PSU length.
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
- Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU
- Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load
- 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance
- Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency
Full Specifications
| Brand | Corsair |
|---|---|
| Color | White |
| Wattage | 1000 watts |
| Model Name | CORSAIR RM1000e |
| Unit Count | 1 Count |
| Form Factor | ATX |
| Keeps Quiet | A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load |
| Model Number | CP-9020294-NA |
| Connector Type | ATX |
| Cooling Method | Fan |
| Number of Fans | 1 |
| Output Wattage | 1000 watts |
| Item Dimensions | 5.91 x 5.51 x 3.35 inches |
| Mfr Part Number | CP-9020294-NA |
| Number of Items | 1 |
| 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 |
| Compatible Devices | Monitor |
| Power Supply Design | Full Modular |
| Warranty Description | 7 Year Manufacturer |
| Maximum Input Voltage | 240 volts_of_alternating_current |
Ready to buy?
CORSAIR RM1000e (2025) ATX 3.1 PCIe 5.1 Ready 1000W Power Supply – White is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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