Corsair RM1000e 1000W ATX Power Supply
£153.03 inc VAT
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About This Item
- 1000 W ATX 3.1 Gold-rated power supply for modern PC builds
- Fully modular cabling with 24-pin ATX and multiple PCIe connectors
- 12 cm front-mounted fan with active cooling and silent operation mode
- Compact 140 mm depth with 150 mm width and 86 mm height
- CE, RoHS, UKCA certified with 7-year warranty and 100,000-hour MTBF
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Corsair RM1000e | Gold-Certified ATX 3.1 Power Supply
The Corsair RM1000e power supply unit 1000 W 24-pin ATX ATX Black delivers reliable, high-efficiency power for demanding PC builds. With ATX 3.1 certification and Cybenetics™ Gold efficiency, it supports next-gen GPUs and CPUs while maintaining quiet operation in a compact 140 mm form factor.
Key Specifications
| Metric | Spec |
|---|---|
| Total Power | 1000 W |
| Efficiency | 80 PLUS Gold |
| Form Factor | ATX |
| Warranty | 7 years |
| Cooling | 120 mm rifle bearing fan |
ATX 3.1 Certified for Next-Gen Components
The RM1000e meets the ATX 3.1 standard, ensuring stable power delivery for modern GPUs that demand high burst currents. This certification means the PSU can handle rapid power fluctuations without compromising system stability, making it ideal for gaming rigs with high-performance graphics cards.
Fully Modular Design for Clean Builds
With fully modular cabling, you connect only the cables your system needs. This reduces clutter inside your case and improves airflow. The included native 12V-2×6 GPU cable supports up to 600 W for modern graphics cards, while multiple 8-pin PCIe connectors cover most GPU configurations.
Gold Efficiency and Low Noise Operation
Cybenetics™ Gold certification guarantees up to 90% efficiency under typical loads, reducing wasted energy and heat output. The 120 mm rifle bearing fan uses a specially calculated curve to keep noise minimal, even during heavy use. Silent mode allows fanless operation at low to medium loads for near-silent computing.
Built for Reliability and Longevity
Industrial-grade 105°C capacitors and a resonant LLC topology with DC-DC conversion provide consistent, clean power. The PSU supports Modern Standby for instant wake-from-sleep performance and better efficiency at low loads. With a 100,000-hour MTBF rating, it’s engineered for long-term, trouble-free operation.
Package Contents
- Corsair RM1000e power supply unit
- 12V-2×6 GPU cable (600 W)
- Multiple PCIe cables (6+2 pin and 12+4 pin)
- Fully modular cables for motherboard and storage
- UK Type G power cable
- Mounting screws
- User manual
Key points to check
- Confirm your case has at least 140 mm depth for PSU installation
- Verify your GPU requires a 12V-2×6 connector and supports PCIe 5.1
- Check if your motherboard uses a 24-pin ATX and 8-pin EPS connector
- Ensure your power outlet provides Type G plug compatibility
Common questions
Is this PSU compatible with PCIe 5.0 GPUs?
Can I use this PSU in a small form factor build?
Does the fan run constantly?
What efficiency rating does this PSU have?
Is the warranty valid in the UK?
Worth knowing before you buy
The Corsair RM1000e power supply unit 1000 W 24-pin ATX ATX Black suits enthusiasts building high-end gaming or content creation PCs who need reliable, efficient power with modern GPU support. Its ATX 3.1 certification, fully modular design, and quiet operation make it a strong choice for clean, high-performance builds. Covered by the applicable manufacturer warranty.
| Silent mode | Yes |
|---|---|
| Purpose | PC |
| ATX version | 3.1 |
| Mean time between failures MTBF | 100000 h |
| Product colour | Black |
| Fan diameter | 12 cm |
| On/off switch | Yes |
| Number of fans | 1 fan(s) |
| Illumination | No |
| Fan location | Front |
| Cooling type | Active |
| Total power | 1000 W |
| AC input voltage | 100 – 240 V |
| AC input frequency | 47 – 63 Hz |
| Input current | 10 – 5 A |
| Combined power +3.3V | 150 W |
| Combined power +12V | 1000 W |
| Combined power +5V | 150 W |
| Combined power +5Vsb | 15 W |
| Max output current +3.3V | 20 A |
| Max output current +12V | 62.5 A |
| Max output current +5V | 20 A |
| Max output current +5Vsb | 3 A |
| Motherboard power connector | 24-pin ATX |
| Number of SATA power connectors | 6 |
| Number of PATA power connectors | 2 |
| PCI Express power connectors 6+2 pin | 2 |
| Cabling type | Fully-Modular |
| EPS power connector 4+4 pin | Yes |
| PCI Express power connectors 12+4 pin | 1 |
| Width | 150 mm |
| Depth | 86 mm |
| Height | 140 mm |
| Weight | 3.23 kg |
| Package type | Box |
| Compliance certificates | CE, RoHS, UKCA |
| Warranty period | 7 year(s) |
| Power plug type | Type G |
| Distributor SKUs | 126163, STD10226281, 2040318, CLCP-9020297-UK |
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