£178.98
£179.99
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Corsair RM1000x – 1000W Fully Modular Low-Noise ATX Power Supply, ATX 3.1 & PCIe 5.1 Ready, Cybenetics Gold Certified, 12V-2x6 Connector – Black
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Condition: New
- New Out of stock
Condition details
Know what to expect
Each condition grade explains the item’s expected cosmetic appearance. Used items are checked and tested before dispatch.
Tested
Checked before dispatch
Warranty
12-month cover included
Clear grading
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.
In Stock – Ready to Dispatch
The Corsair RM1000x (Black) is a premium 1000W fully modular ATX power supply designed for next-generation gaming PCs and workstations. Featuring ATX 3.1 compliance, PCIe 5.1 GPU support, and a native 12V-2x6 connector, it delivers clean, efficient, and reliable power to the most demanding components. Certified for Cybenetics Gold efficiency, it combines ultra-quiet operation, advanced electrical performance, and future-ready compatibility — perfect for enthusiasts and professionals alike.
- 1000W continuous power output – ideal for high-performance systems, RTX 40-series GPUs, and overclocked CPUs.
- ATX 3.1 compliant – supports improved transient power handling and latest platform standards.
- PCIe 5.1 ready – includes a native 12V-2x6 (updated 12VHPWR) connector for the newest GPUs.
- Cybenetics Gold efficiency certification – delivers up to 90% power efficiency, reducing waste and heat.
- Fully modular design allows you to connect only the cables you need for clean builds and better airflow.
- 120mm fluid dynamic bearing fan provides low-noise cooling and long operational life.
- Zero RPM Fan Mode enables silent operation during light loads.
- 100% Japanese 105°C capacitors ensure superior reliability and long-term durability.
- Tight voltage regulation and low ripple noise deliver stable, clean power for sensitive components.
- Extensive electrical protection (OCP, OVP, SCP, OTP, OPP, UVP) keeps your system safe.
- Compact 150mm length for compatibility with a wide range of cases.
- Elegant matte black finish for seamless integration into any build.
- 10-year Corsair warranty for long-lasting peace of mind.
The Corsair RM1000x is engineered for builders who demand silent operation, cutting-edge compatibility, and proven reliability — powering today’s and tomorrow’s gaming systems with confidence.
| Specification | Details |
|---|---|
| Model | Corsair RM1000x |
| Power Output | 1000W Continuous |
| Efficiency Rating | Cybenetics Gold (Up to 90%) |
| ATX Standard | ATX 3.1 |
| PCIe Standard | PCIe 5.1 |
| GPU Connector | Native 12V-2x6 (Reinforced 12VHPWR) |
| Modularity | Fully Modular |
| Fan Type | 120mm Fluid Dynamic Bearing |
| Cooling Mode | Zero RPM Fan Mode (Silent at Low Load) |
| Capacitors | 100% Japanese 105°C |
| Protections | OCP, OVP, SCP, OTP, OPP, UVP |
| Input Voltage | 100–240V |
| Dimensions | 150 × 86 × 160 mm |
| MTBF | 100,000 Hours |
| Colour | Black |
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Delivery areas.
Next Day Delivery is available to mainland UK, excluding AB, IV, KW, PA, PH, HS, KA, ZE, PO30–PO41, IM, JE, GY, BT and TR21–TR25. Delivery to these areas may take 3–5 working days.
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What each condition means.
- New
- Brand-new, unused, unopened and never activated, in its original packaging.
- Like New
- Looks fresh out of the box with no signs of wear. May have been opened or used very minimally; all original accessories included.
- Very Good
- Minimal wear from general use and 100% operational. May have minor cosmetic marks or be missing non-essential accessories.
- Good
- Fully operational with noticeable wear, such as scratches or dents. May be missing non-essential accessories.
- Fair
- Fairly worn, with scratches, dents or worn corners, but works perfectly. May be missing non-essential accessories.
| SKU: |
RM136220SN0 |
|---|---|
| EAN/UPC: |
840006667735 |
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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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