£129.99
£144.99
10% Off
CORSAIR RM1000e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
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Condition Selected: New
- New Out of stock
Condition details
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Each condition grade explains the item’s expected cosmetic appearance. Used items are checked and tested before dispatch.
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Checked before dispatch
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Simple condition guide
Condition guide
New
Brand-new item
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like New
Pristine condition
The item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Very Good
Minimal wear
The item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
Good
Noticeable wear
The item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
Fair
Fairly worn
The item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
Overview
The CORSAIR RM1000e (2025) Fully Modular Low-Noise ATX Power Supply is built for high-performance PC systems that demand reliable, efficient and quiet power delivery. Designed to the latest standards with ATX 3.1 and PCIe 5.1 compliance, this 1000 W PSU features premium components and versatile connectivity — including a 12V-2×6 pin cable — making it ideal for modern gaming rigs, creator workstations and enthusiast builds. With Cybenetics Gold efficiency, low-noise operation and 105 °C-rated capacitors, the RM1000e delivers stable power under load with long-term reliability.
Key Features
- 1000 W fully modular ATX power supply
- ATX 3.1 & PCIe 5.1 compliant for modern GPU & platform support
- Cybenetics Gold efficiency rating for energy savings
- 105 °C-rated Japanese capacitors for improved longevity
- Low-noise operation with quiet fan profile
- Fully modular cabling for clean and custom builds
- Includes 12V-2×6 pin cable for modern GPU compatibility
- Modern Standby Mode support for efficient system idle states
- Black premium finish for versatile build aesthetics
- Comprehensive protection circuitry (OCP, OVP, UVP, SCP, OPP)
Benefits
The CORSAIR RM1000e (2025) PSU offers top-tier performance and reliability for demanding PC builds. Its 1000 W power capacity ensures headroom for high-end CPUs and GPUs, making it ideal for gaming, video editing, 3D rendering and content creation workstations.
Compliance with ATX 3.1 and PCIe 5.1 standards ensures compatibility with the latest components, including next-generation graphics cards requiring dual 12V-2×6 pin power. The fully modular design simplifies cable management — helping you achieve a cleaner interior, improve airflow and reduce build clutter.
With a Cybenetics Gold efficiency rating and premium 105 °C capacitors, the RM1000e operates efficiently and reliably, reducing heat and ensuring long-term stability. Its quiet fan and low-noise profile make it suitable for builds where acoustics are just as important as performance. Modern Standby Mode enhances power efficiency during idle periods, helping lower overall system power draw without compromising responsiveness.
Specifications Table
| Specification | Details |
|---|---|
| Brand | CORSAIR |
| Model | RM1000e (2025) |
| Power Output | 1000 W |
| Efficiency | Cybenetics Gold |
| Modular | Fully modular |
| ATX Standard | ATX 3.1 compliant |
| PCIe Standard | PCIe 5.1 compliant |
| Capacitors | 105 °C-rated Japanese capacitors |
| Fan | Low-noise cooling fan |
| Cables | Modular cables, including 12V-2×6 pin |
| Protections | OCP, OVP, UVP, SCP, OPP |
| Colour | Black |
| Standby Support | Modern Standby Mode |
Please note: Next Day Delivery does not include weekends. Saturday delivery is only available when Express Delivery is selected on Friday before 4:00 p.m.
Delivery AreasNext Day Delivery is available to mainland UK, excluding:
AB, IV, KW, PA, PH, HS, KA, ZE, PO30–PO41, IM, JE, GY, BT, TR21–TR25
Delivery to these areas may take 3–5 working days.
Working days are Monday–Friday, excluding public holidays.
Shop with confidence with our 30-day return policy. Changed your mind? You can return your item within 30 days of delivery.
If your item is faulty, damaged or not as described, we’ll provide a FREE prepaid return label.
How it works:
- Contact us within 30 days.
- Return your item using the instructions provided.
- Once received and checked, we’ll arrange your refund, replacement or repair.
Simple returns. No return postage to pay if your item is faulty.
For more information, please see our Returns Policy.
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like NewThe item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Very GoodThe item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
GoodThe item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
FairThe item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
| SKU: |
RM149632SN0 |
|---|---|
| EAN/UPC: |
840006691389 |
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Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
Pay every 2 weeks in 4 interest-free payments.
Clearpay credit subject to status. Use responsibly as late fees up to £24 per order apply, which may impact your future access to credit. T&Cs apply.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
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