£129.99
£144.99
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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
- Over 500,000+ satisfied customers
- Official UK-based company
- Free returns within 30 days (terms apply)
- 12 months warranty
Condition
- New
3 payments of £43.33 at 0% interest with Klarna
4 payments of £32.49 interest free with Clearpay
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 |
All orders are sent via a tracked delivery service.
Standard: 1–2 working days — £1.99 (Free over £19.99)
Next Day: Free on orders £49.99+
Express: £4.99 (incl. Saturday)
Order by 4pm (Mon–Thu) for next working day dispatch.
Friday orders: Next-day delivery is not guaranteed.
For guaranteed Saturday delivery: choose Express (£4.99) (before 1pm).
Working days are Monday to Friday (excluding public holidays). Orders placed after 4pm on Friday are processed on Monday.
Postcode restrictionsNext-day delivery is mainland UK only and excludes:
AB, IV, KW, PA, PH, HS, KA, ZE, PO30–PO41, IM, JE, GY, BT, TR21–TR25
Deliveries to these areas may take 3–5 working days.
Returns are simple — view our Returns Policy for full information.
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.
| Vendor: | |
|---|---|
| SKU: |
RM149632SN0 |
| EAN/UPC: |
840006691389 |
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.
Pay every 2 weeks in 4 interest-free payments.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
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.
Pay every 2 weeks in 4 interest-free payments.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
What you’ll receive
-
Your item
New / Like New: Original packaging.
Used: Original or secure recycled packaging. -
Essential accessories
All required accessories included.
-
12 months warranty
New & used items covered.
-
Secure packaging
New: Factory sealed.
Used: Quality-checked.