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Seasonic Core GC-850 ATX3

Seasonic Core GC-850 ATX3

This high-performance Seasonic power supply unit is designed to meet the demands of modern gaming ...

Best current price£69.98from Box.co.uk

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Product Information

Full details

The Seasonic CORE GC-850 ATX 3.1 is a high-performance, fully modular 850W power supply unit designed for modern gaming PCs and professional workstations. It offers reliable, efficient power delivery with 80 PLUS Gold certification, ensuring stable operation for critical components. While it boasts excellent compatibility with the latest hardware standards like ATX 3.1 and PCIe 5.1, users should verify specific motherboard and case dimensions for optimal fit.

All features

Model Part NumberSRP-CGC851-A5A32SF
BrandSeasonic

Extended Product Information

FAQs

What is ATX 3.1 and why is it important?

ATX 3.1 is the latest standard for PC power supplies, designed to support the increasing power demands and transient spikes of modern hardware, especially high-end graphics cards. It ensures better stability and compatibility with the newest components.

What does 'fully-modular' mean for a power supply?

Fully-modular means all cables can be detached from the power supply unit. This allows you to use only the cables you need, leading to a cleaner build, improved airflow, and easier cable management.

How does the Seasonic OptiSink Design improve performance?

The OptiSink Design uses a redesigned PCB layout with smaller components, increasing internal space for better heat dissipation and airflow. This keeps the PSU cooler, enhancing reliability and efficiency.

Is this power supply compatible with older graphics cards?

Yes, while it includes a native 12V-2x6 connector for PCIe 5.1 GPUs, it also comes with an adapter cable to ensure compatibility with older PCIe graphics cards that use 2x8-pin connectors.

What is the warranty period for the Seasonic CORE GC-850 ATX 3.1?

Seasonic typically offers a 7-year manufacturer's warranty on their Core GX series power supplies, reflecting their confidence in the product's long-term reliability.

How does the Smart and Silent Fan Control (S2FC) work?

S2FC intelligently adjusts the fan speed based on the PSU's load and temperature. It aims to keep the fan off or at low speeds during light loads for silent operation, increasing speed only when necessary for cooling.

Can I install this power supply in any orientation?

Yes, thanks to its improved thermal performance and component layout, the Seasonic CORE GC-850 ATX 3.1 can be safely installed in any orientation within your PC case.

Troubleshooting

PSU does not power on.

Verify that the AC power cord is securely connected to both the PSU and a working wall outlet. Ensure the PSU's on/off switch is in the 'I' (on) position. Check motherboard power connections.

System shuts down unexpectedly during heavy load.

This could indicate the PSU is exceeding its wattage limit. Ensure all components' power requirements are within the 850W capacity. Also, check for proper ventilation and fan operation to prevent overheating.

No power to specific components (e.g., GPU, SSD).

Confirm that the correct modular cables are firmly attached to both the PSU and the component. Try using a different compatible cable if available.

Fans are unusually loud.

Check for any obstructions around the PSU fan or vents. Dust buildup can cause the fan to spin faster. Clean the fan and vents with compressed air. If the noise persists, contact support.

Pros and Cons

Pros

  • Excellent compatibility with ATX 3.1 and PCIe 5.1 standards for future-proofing.
  • Fully modular design simplifies cable management and improves airflow.
  • High efficiency (80 PLUS Gold) reduces power consumption and heat.
  • Robust build quality and design for long-term reliability.
  • Quiet operation due to the S2FC fan control system.

Cons

  • The 12 cm fan, while efficient, may be audible under sustained heavy loads compared to larger fans.
  • Specific component compatibility (e.g., cable lengths) should be checked against individual build requirements.
  • While designed for versatility, advanced users might prefer more granular fan control options.

Setup, Compatibility & Care

Setup:

  1. Ensure your PC case has sufficient space for the ATX form factor (150 mm width, 86 mm height, 140 mm depth).
  2. Connect only the necessary modular cables to the PSU and your motherboard, graphics card, and other components.
  3. Use the native 12V-2x6 connector for compatible PCIe 5.1 graphics cards or the provided adapter for older PCIe power connectors.
  4. Connect the AC power cable to the PSU and a grounded wall outlet.

Compatibility:

  • Motherboard: Compatible with standard ATX and E-ATX motherboards (24-pin ATX connector).
  • CPU: Supports ATX12V v3.1 / EPS12V standards.
  • GPU: Fully compatible with ATX 3.1 and PCIe 5.1 GPUs. Also compatible with previous generation PCIe GPUs via the adapter cable.
  • Operating Temperature: Operates optimally between 0°C and 50°C.

Care:

  • Keep the PSU's air intake and exhaust vents clear of obstructions to ensure proper airflow.
  • Periodically clean the fan and vents using compressed air to prevent dust buildup.
  • Avoid exposing the unit to excessive moisture or extreme temperatures.

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