ASRock Steel Legend Power Supply Unit - 1200W - 90-UXS120-GFGABA

The ASRock Steel Legend 1200W power supply unit is a high-performance, fully modular component des...

Best current price£129.42from PCHUB.UK

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PCHUB.UKAsrock Gold Sl-1200Gw 1200W Atx Power Supply Unit. 80 Plus Certified.
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£129.42
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Refresh CartridgesAsrock SL-1200GW 1200W ATX Power Supply Unit 80 PLUS GOLD (90-UXS120-GFGABA)
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£155.26
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GamingKitAsrock Gold Sl-1200Gw 1200W Atx Power Supply Unit. 80 Plus Certified.
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£155.30
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eBayAsrock Sl-1200Gw 1200W Atx Power Supply Unit 80 Plus Gold Certified 135Mm Stripe
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£159.95
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Product Information

Full details

The ASRock Steel Legend 1200W PSU is designed for high-end gamers and workstation professionals who require reliable, heavy-duty power delivery for power-hungry components. It offers exceptional efficiency with 80 PLUS Gold certification and advanced ATX 3.1 compliance for modern hardware, though its 1200W capacity is overkill for basic office or budget-tier PC builds.

All features

Model Part Number90-UXS120-GFGABA
BrandASRock

Extended Product Information

FAQs

Does this PSU come with all necessary cables?

Yes, it is a fully modular unit and includes a comprehensive set of cables to support modern high-end builds.

What is the warranty period?

The ASRock Steel Legend 1200W PSU is backed by a 10-year manufacturer warranty.

Are the 12V-2x6 cables compatible with older GPUs?

These cables are designed for newer PCIe 5.1 standards; you may need an adapter for older hardware depending on your specific GPU power inputs.

What is the iCOOL switch for?

The iCOOL switch allows you to toggle the fan control logic to balance between quieter operation and increased cooling performance based on your system temperature.

Is this unit fully modular?

Yes, all cables are detachable, allowing you to use only the ones required for your specific component setup.

Troubleshooting

System will not power on

Ensure the power cable is firmly plugged into the wall and the PSU, and check that the I/O switch on the back of the unit is in the 'I' position.

System shuts down under heavy load

Verify that all modular cables are fully seated and that you are not exceeding the 1200W capacity; also check if the iCOOL switch is set correctly for your cooling needs.

Fan is making excessive noise

Check the iCOOL switch settings and ensure no cables are obstructing the 135mm fan blades.

Pros and Cons

Pros

  • Fully modular design minimizes cable clutter
  • Ultra-quiet operation due to Lambda A certification
  • Robust 10-year warranty provides long-term peace of mind
  • Easy to identify PCIe 5.1 connectors
  • Superior thermal management with 135mm fan

Cons

  • High wattage may be unnecessary for mid-range systems
  • Physical size may be tight in compact ATX cases
  • Premium pricing reflective of high-end build quality

Setup, Compatibility & Care

To install, ensure your chassis supports full-sized ATX power supplies and has sufficient room for cable management behind the motherboard tray. Connect the necessary modular cables to the unit before sliding it into the case. When plugging in the 12V-2x6 connectors, ensure the green indicator is fully seated to guarantee a secure connection. For maintenance, periodically dust the air intake near the fan using compressed air to ensure the fluid dynamic bearing fan operates efficiently. Avoid opening the PSU housing, as this voids the 10-year warranty and poses electrical risks.

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