Seasonic Core GX-750 750W Power Supply Unit - White - SRP-CGX751-A5A32SF-W

The Seasonic Core GX-750 is a robust power supply unit (PSU) designed to deliver reliable performa...

Best current price£91.47from PCHUB.UK

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PCHUB.UKSeasonic White Core Gx-750 Power Supply Unit 750 W 20+4 Pin Atx Atx
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Box.co.ukSeasonic White Core Gx-750 750W Atx 80 Plus Gold Psu Power Supply
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Laptop OutletSeasonic White Core Gx-750 750W Atx 80 Plus Gold Psu Power Supply
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AWD-IT.co.ukSeasonic White Core Gx-750 750W Atx 3.1 Power Supply - Srp-Cgx751-A5a32sf-W
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GamingKitSeasonic White Core Gx-750 Power Supply Unit 750 W 20+4 Pin Atx Atx
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Product Information

Full details

The Seasonic CORE GX-750 is a high-performance power supply unit tailored for gaming enthusiasts and workstation builders who demand reliable power delivery for modern hardware. Featuring 80 PLUS Gold efficiency and full modularity, it provides a clean aesthetic and excellent thermal management for any ATX-based PC build, though users should ensure their case has sufficient clearance for the 150mm depth of the unit.

All features

Model Part NumberSRP-CGX751-A5A32SF-W
BrandSeasonic

Extended Product Information

FAQs

Does this PSU come with all necessary cables?

Yes, it is a fully modular unit and includes a full set of white cables required for standard PC builds.

Is this unit compatible with older PC cases?

Yes, the CORE GX-750 uses the standard ATX form factor, which is backward compatible with most older ATX-compliant cases.

What is the warranty period?

Seasonic provides a 7-year worldwide manufacturer's warranty for this unit.

Does it have a silent mode?

It features an intelligent S2FC (Smart and Silent Fan Control) circuit that automatically adjusts fan speed for quiet operation.

Can I use this for a high-end gaming GPU?

Yes, with 750W total power and ATX 3.1/PCIe 5.1 compliance, it is well-suited for modern high-end graphics cards.

Troubleshooting

PC will not power on at all.

Verify that the power cable is securely connected to both the wall outlet and the PSU. Ensure the physical on/off switch on the back of the unit is in the 'I' (on) position.

System instability or crashes under load.

Check all cable connections to the motherboard and GPU to ensure they are fully seated. Ensure your total system power draw does not exceed the 750W capacity.

Fan is making loud noises.

Check for any loose cables interfering with the fan blades. If no obstructions exist, ensure the PSU is not trapped in a high-heat area without ventilation.

Pros and Cons

Pros

  • High 80 PLUS Gold energy efficiency
  • Fully modular design for easy cable management
  • Modern ATX 3.1 and PCIe 5.1 support
  • Includes a lengthy 7-year manufacturer warranty
  • Clean, premium white aesthetic ideal for custom builds

Cons

  • 150mm depth may be tight in some compact ATX cases
  • White cables may show dirt more easily during assembly
  • Higher initial cost compared to non-modular bronze units

Setup, Compatibility & Care

The CORE GX-750 follows the standard ATX form factor, making it compatible with the vast majority of mid-tower and full-tower PC cases.

  1. Installation: Secure the PSU into the case mount using the provided screws. Ensure the fan intake faces an open vent (usually downward if the case has a bottom filter).
  2. Cabling: Connect the 20+4 pin ATX cable to the motherboard and the required CPU/PCIe cables. Because it is fully modular, double-check that every connection is firmly seated in the PSU ports.
  3. Orientation: The redesigned internal layout allows for flexible installation in any orientation, though bottom-mounted with fan-down remains the standard for most cases.
  4. Care: Keep the power supply clean by ensuring the bottom air intake filter of your PC case is free of dust. Use a can of compressed air periodically to clear dust from the PSU fan grill if the case is kept on the floor.

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