Asrock Steel Legend SL-1000G 1000W ATX PSU 80 Plus Gold
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About This Item
- 1000W ATX 3.1 power supply unit with 80 PLUS Gold and Cybenetics Platinum certification
- 135mm Fluid Dynamic Bearing fan with iCOOL mode for silent operation under low loads
- Dual Color PCIe 5.1 connectors with ASRock Classic Green for easy plug verification
- All Japanese 105°C capacitors ensuring high reliability and long lifespan
- Comprehensive safety protections including OCP, SCP, OVP, UVP, OTP, and OPP
- 10-year warranty with flat cable design and 150mm x 150mm x 86mm compact form factor
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Asrock Steel Legend SL-1000G | 1000W ATX 3.1 Gold PSU
The Asrock Steel Legend SL-1000G 1000W ATX Power Supply Unit, 80 Plus Gold Certified, 120mm Silent Cooling Fan, High Efficiency PSU is built for UK PC builders. It targets users who need stable power for high-end GPUs and CPUs. The key USP is the dual-colour PCIe connectors. This visual cue helps you confirm a secure fit.
Asrock Steel Legend SL-1000G 1000W ATX Power Supply Unit, 80 Plus Gold Certified, 120mm Silent Cooling Fan, High Efficiency PSU
This unit offers ATX 3.1 compliance. It handles power excursions up to 200%. The 80 Plus Gold and Cybenetics Platinum ratings confirm high efficiency. You also get a 10-year warranty for long-term peace of mind.
| Metric | Spec. |
|---|---|
| Wattage | 1000W Continuous |
| Efficiency | 80 PLUS Gold / Cybenetics Platinum |
| Fan Size | 135mm Striped Axial FDB Fan |
| ATX Version | ATX 3.1 |
| Warranty | 10 Years |
| Dimensions | 150mm x 150mm x 86mm |
Dual-Colour Connectors for Secure Fitting
The PSU features a Dual Color Design. ASRock Classic Green connectors show when a cable is fully seated. This reduces guesswork during build. It also lowers the risk of poor contact. You can trust your power delivery from day one.
iCOOL Mode for Silent Operation
The built-in iCOOL switch lets you control fan behaviour. Mode ON keeps the fan off during low to medium loads. This cuts noise and saves energy. Mode OFF runs the fan constantly. It offers consistent cooling for heavy workloads.
Cybenetics Lambda A for Ultra-Quiet Cooling
This unit earns the Cybenetics Lambda A certification. It proves outstanding noise control. The 135mm Fluid Dynamic Bearing fan uses a herringbone structure. This design minimises sound and extends lifespan. It suits quiet office or studio builds.
Japanese Capacitors for Reliability
The SL-1000G uses 105°C Japanese-made capacitors. These components handle heat well. They support prolonged life span. This is critical for system stability. It ensures consistent performance over time.
Full Protection Suite and ATX 3.1 Compliance
ASRock includes OCP, SCP, OVP, UVP, OTP, and OPP protections. These guard your components during normal and extreme loads. The unit meets ATX 3.1 standards. It supports total power excursion up to 200%. This is ideal for modern GPUs.
Box contents
- ASRock Steel Legend SL1000G Power Supply Unit
- Native PCIe 12V-2×6 Cable
- AC Power Cord (verify UK plug type)
- Mounting screws
- User documentation
Check before you buy
- Confirm your case supports ATX PSUs (150mm x 150mm x 86mm).
- Verify your motherboard has the required 24-pin and EPS connectors.
- Check if your GPU needs 12V-2×6 or dual 8-pin PCIe cables.
- Confirm the warranty region is valid for UK purchases.
Frequently Asked Questions
Q: Does this PSU include a UK plug?
A: The input is not specified. Please verify the included cable meets UK standards before purchase.
Q: Is the fan always on?
A: No. iCOOL Mode ON turns the fan off at low loads for silent operation.
Q: What is the warranty period?
A: ASRock offers a 10-year warranty on this model.
Q: Is this PSU ATX 3.1 compliant?
A: Yes. The Steel Legend SL-1000G meets ATX 3.1 standards.
Q: Are the PCIe cables dual-colour?
A: Yes. The 12V-2×6 connectors use a dual-colour design for easy verification.
Consultant’s verdict and warranty
Buy the Asrock Steel Legend SL-1000G if you need a reliable 1000W PSU for a high-end UK build. It suits users who value silence, efficiency, and clear connector feedback. The 10-year warranty backs long-term use. Covered by the standard Manufacturer Warranty.

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