ASRock 1000W ATX 3.1 PSU – Black Buy for Gaming
£185.18
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About This Item
- 1000W ATX 3.1 PCIe 5.1 power supply
- 80 PLUS Gold certified with Cybenetics Platinum and Lambda A efficiency
- Fully modular design with native 12V-2×6 connector
- 100% Japanese capacitors and 135mm striped fan
- Black Steel Legend series casing
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ASRock SL-1000G/UK | 1000W ATX 3.1 Gold Modular PSU
The ASRock PSU 1000W ATX 3.1 PCIe 5.1 SL-1000G/UK is a high-performance power supply designed for demanding gaming and workstation builds. With full ATX 3.1 and PCIe 5.1 compliance, it delivers clean, stable power to the latest high-end graphics cards and processors.
Key Specifications
| Metric | Spec. |
|---|---|
| Power Output | 1000W |
| Efficiency Rating | 80 PLUS Gold |
| Certification | Cybenetics Platinum & Lambda A |
| Connector Type | Native 12V-2×6 |
| Modularity | Fully Modular |
| Fan Size | 135mm |
| Capacitors | 100% Japanese |
Built for Next-Gen Hardware
The SL-1000G/UK supports the latest ATX 3.1 standard, ensuring stable power delivery under high transient loads from PCIe 5.1 graphics cards. The native 12V-2×6 connector is ready for future GPUs without adapters, reducing clutter and improving airflow inside your case.
Whisper-Quiet Operation
Thanks to its Cybenetics Lambda A certification, this PSU runs extremely quietly under typical loads. The 135mm striped fan with iCool mode adjusts speed intelligently, keeping noise to a minimum while maintaining optimal cooling.
Clean Cable Management
Fully modular cabling means you connect only the cables you need. This reduces internal case clutter, improves airflow, and makes builds easier to manage. The black cables blend seamlessly with most builds.
Box Contents
- ASRock SL-1000G/UK PSU
- Modular cables (quantity and types as per manufacturer)
- Power cord (UK plug if supplied)
- Mounting screws
- User manual
Before You Order
- Confirm your system’s total power draw is under 1000W.
- Verify PCIe 5.1 GPU compatibility if planning future upgrades.
- Check that your case has adequate space for a 135mm fan.
- Ensure your motherboard supports ATX 3.1 if relying on specific features.
Questions and answers
Is this PSU compatible with PCIe 5.0 GPUs?
Does it include a UK plug?
What is the warranty period?
Is it suitable for overclocking?
The short version
The ASRock SL-1000G/UK is ideal for high-end gaming PCs, content creation workstations, or anyone building with the latest hardware. Its combination of ATX 3.1 compliance, quiet operation, and modular design makes it a future-proof choice. Covered by the applicable manufacturer warranty.
| Brand | ASRock |
|---|---|
| MPN | SL-1000G/UK |
| Type | PSU |
| Manufacturer Product Type | Asrock PSU |
| Model | Asrock SL-1000G/UK |
| Series | Asrock SL-1000G/UK |
| Manufacturer Part Number | SL-1000G/UK |
| Colour | Black |
| EAN | 4710483949197 |
| Country of Origin | China |

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