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Corsair

CORSAIR RM1000e ATX 3.1 PCIe 5.1 Ready Fully Modular 1000W Power Supply – 12V-2x6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black

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Style: RMe (2025)


Size: 1000 Watts


Color: Black


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.
  • 105C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
  • Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

Description

CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system. Box Contents 1x 24-pin ATX (24-pin) Connector Cable 2x 8-pin ATX 12V/EPS12V (4+4-pin) Connector Cables 1x 8-pin PCIe (6+2-pin) Connector Cable 1x 600W 12V-2x6 (12+4-pin) Connector Cable 1x 12V-2x6 (12+4-pin) to dual 8-pin PCIe (6+2-pin) Cable 6x SATA Connectors 2x PATA Connectors

Model Name: RM1000e


Brand: Corsair


Compatible Devices: Monitor


Connector Type: ATX


Output Wattage: 1000 Watts


Form Factor: ATX


Wattage: 1000 watts


Cooling Method: Air


Item dimensions L x W x H: 5.91 x 5.51 x 3.35 inches


Item Weight: 3.62 Pounds


Brand: ‎Corsair


Series: ‎RM1000e


Item model number: ‎CP-9020297-NA/AM


Item Weight: ‎3.62 pounds


Product Dimensions: ‎5.91 x 5.51 x 3.35 inches


Item Dimensions LxWxH: ‎5.91 x 5.51 x 3.35 inches


Color: ‎Black


Manufacturer: ‎Corsair


Date First Available: ‎December 1, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 17 – May 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Power Up Silently: The Corsair RM850e - Your Ultimate Low-Noise Solution!
Style: RMe (2023) Size: 850 Watts Color: Black
The Corsair RM850e (2023) Fully Modular Low-Noise Power Supply is an outstanding choice for anyone looking to build or upgrade a high-performance PC. With its 850-watt capacity, this power supply perfectly balances power efficiency and performance, ensuring that even the most demanding systems run smoothly. The fully modular design allows for easy cable management, helping to create a clean and organized build while optimizing airflow within the case. One of the standout features of the RM850e is its low-noise operation. Equipped with high-quality components, including a specially designed fan that only spins when needed, this power supply ensures minimal noise, making it great for quiet computing environments. Additionally, its 80 PLUS Gold certification guarantees impressive efficiency, reducing energy consumption and keeping electricity bills in check. Overall, the Corsair RM850e is a reliable, efficient, and quiet power supply that is well-suited for gamers and professionals alike, deserving of high praise for its performance and build quality. I’ve been using this in my rig, and it powers everything consistently and quickly. After a few years of use, I haven’t encountered any issues at all. ... show more
Reviewed in the United States on October 10, 2025 by TrustMe
    • Solid Power Supply
Style: RMe (2023) Size: 1000 Watts Color: Black
Solid PSU. It has worked great for the past year and a half. I have experienced no Power Supply issues in my build. It should fit any ATX case. The modular function makes it simple to use. Use the cables you need, and don’t use the cables you don’t need.
Reviewed in the United States on January 14, 2026 by Parcel Penguin
    • Great PS!
Style: RMe (2023) Size: 750 Watts Color: Black
Amazing modular power supply! it has ran like a champ and is very easy to work with.
Reviewed in the United States on December 24, 2025 by Amazon Customer
    • Great Power Supply; Well Engineered; Very Quiet
Style: RMe (2023) Size: 1000 Watts Color: Black
This Corsair power supply has got to be the best PSU I have ever worked with In terms of Bench Testing a PC. The Modular Design lets you only plug in what is needed to make the system work, which allows you to avoid unnecessary clutter of unused cables unlike traditional PSU's. if i apply the concept of this power supply to building a PC, the Cable Management will be much easier as you will have extra space to store excess cables and can retain the unused cables in your box outside of the case until needed. During bench testing of my new system which contains the following parts: - ASUS ROG Crosshair X670E Hero - AMD 7900X 170 W - Corsair Dominator Titanium DDR5 - Gigabyte Nvidia RTX 3060 12G - Crucial T700 2Tb Gen 5 PCIe M.2 - Micron 500 Gb Gen 4 PCIe M.2 - RM1000e PSU 1000 W I was able to boot, and bench test (Cinnebench 2024) my system and this Unit didn't spin the cooling fan up once for the first 5 minutes of the test. Once the fan kicked on it was so unbelievably quiet. My current system has an EVGA 650W power supply in it and that thing sounds like a leaf blower sometimes. The Corsair PSU functions in a "Zero RPM" state only spinning up when needed and the fan is so quiet you cant really tell when its on unless you are looking at it. I plan on Building y system once my case arrives, and will update my review about installation and cable management, and include a few pictures to boot. I Ordered Corsair Pro Sleeved cables for my build so I will not be using the stock cables in my final build, however I did use them for bench testing and I can say that the stock cables are nice, flat ribbon cables with a durable exterior coating. They are flexible yet sturdy, and can be easily Cable Managed with zip-ties and Velcro straps. Overall first impressions i would Definitely recommend this to people who need a great power supply with intuitive modular cable management for cases like the Corsair 4000. ... show more
Reviewed in the United States on April 2, 2024 by Zachary
    • CORSAIR RM750e arrived with Platinum efficiency, quiet modular design and strong future‑proof power
Style: RMe (2025) Size: 750 Watts Color: Black
I ordered the CORSAIR RM750e (2025) expecting the Gold efficiency model, but the unit that arrived is clearly labeled Platinum on the box. That was a pleasant surprise since Platinum certification means higher efficiency, cooler operation, and less wasted power compared to Gold. The build quality is solid, the fully modular design makes cable management easy, and it runs quietly even under load. At 750 watts it’s more than enough for a mid‑to‑high‑end build, and with ATX 3.1 and PCIe 5.1 compliance it’s future‑ready. Overall, I ended up with a better unit than advertised, and I’m very satisfied with the upgrade. ... show more
Reviewed in the United States on December 2, 2025 by mjlessor
    • Great Power Supply!
Style: RMe (2025) Size: 850 Watts Color: Black
This power supply works great so far! The modular design, flexible cables and updated GPU power connection makes this a no brainer for those loooking to upgrade. Only time will tell when it comes to durability, but if this PSU has the build quality of my last Corsair PSU, I'm sure I wont be dissapointed. ... show more
Reviewed in the United States on January 17, 2026 by JM
    • Worth it for the price
Bought to replace a different unit that gave out on me not long after purchase. So far it has been amazing. As simple as any other modular unit to install, though the cables are more stiff than I’m used to. Connectors work as expected. Smaller than expected, but fits within standard cases ok enough. Looks good. Manages heat perfectly for my needs. Minus one start for a small but noticeable click made when the unit powers on and off. No other sound, though, so it’s something I’m willing to overlook. All together was a fantastic investment for the price, and I hope it lasts. ... show more
Reviewed in the United States on March 4, 2025 by Ka Tre

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