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Seasonic Focus G12 GM 850W ATX 80 PLUS Gold PSU Power Supply - 850W 80+ Gold

Not AvailableSeasonic Focus G12 GM 850W ATX 80 PLUS Gold PSU Power Supply - 850W 80+ Gold
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The Seasonic Focus G12 GM 850W Power Supply Unit is a premium solution for powering high-performan...

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Product Information

Full details

The Seasonic Focus G12 GM 850W Power Supply Unit is designed for PC builders and tech enthusiasts who need a reliable, high-efficiency power source for their gaming rigs, workstations, or media centers. Its key benefit is the 80 PLUS Gold certification, ensuring up to 90% efficiency for reduced energy costs and stable power delivery. A potential caveat for some users might be its semi-modular cable design, which, while improving airflow, requires careful cable management.

All features

Model Part NumberSSR-850FM
BrandSeasonic

Extended Product Information

FAQs

What is the 80 PLUS Gold certification?

The 80 PLUS Gold certification means the PSU is highly efficient, typically delivering 87-90% efficiency at various load levels. This reduces wasted energy as heat and lowers electricity costs.

Is the Seasonic Focus G12 GM 850W fully modular?

No, it is a semi-modular power supply. This means some essential cables (like the motherboard 24-pin and CPU power) are permanently attached, while others (like PCIe, SATA, and Molex) are detachable for cleaner builds.

What are the dimensions of this PSU?

The dimensions are 150 mm (Width) x 140 mm (Depth) x 86 mm (Height). This standard ATX size ensures compatibility with most PC cases.

How many SATA power connectors are included?

The Seasonic Focus G12 GM 850W includes 6 SATA power connectors.

What is the warranty period?

This power supply comes with a long 7-year warranty, reflecting Seasonic's confidence in its durability and reliability.

Can I use this PSU for a high-end gaming PC?

Yes, with 850W of power and 80 PLUS Gold efficiency, it is well-suited for most high-end gaming PCs, including those with powerful graphics cards and processors.

Does this PSU have Active PFC?

Yes, the Seasonic G12 GM series utilizes Active Power Factor Correction (Active PFC) for improved power efficiency and stability.

Troubleshooting

PC does not power on

Verify the AC power cord is securely connected to both the PSU and the wall outlet. Ensure the PSU's on/off switch is in the 'on' position. Double-check all internal power connections to the motherboard and components.

Intermittent shutdowns or instability

Ensure all modular cables are fully seated in the PSU. Check if the PSU is adequately sized for your system's power draw. Overheating can cause shutdowns; ensure proper ventilation around the PSU.

Noisy fan operation

While the fan is designed for quiet operation, some noise is normal. If the fan is excessively loud or makes unusual sounds, check for obstructions. If the issue persists, contact support.

Components not receiving power

Confirm that the correct cables are used for each component (e.g., PCIe for GPU, CPU for motherboard). Ensure modular cables are securely plugged into the PSU.

Pros and Cons

Pros

  • High energy efficiency (80 PLUS Gold) reduces electricity bills.
  • Fully modular design simplifies cable management and improves airflow.
  • Compact size ensures compatibility with most ATX cases.
  • Reliable power delivery for demanding PC builds.
  • Long 7-year warranty provides excellent peace of mind.

Cons

  • Semi-modular design means some cables are permanently attached.
  • While quiet, the fan may become audible under very heavy loads.
  • Requires careful cable routing to maximize benefits of modularity.

Setup, Compatibility & Care

Setup:

  1. Ensure your PC case has sufficient space for an ATX form factor power supply (150 mm x 140 mm x 86 mm).
  2. Connect the necessary modular cables (motherboard 20+4 pin ATX, CPU 4+4 pin, PCIe, SATA, Molex) to the PSU unit, using only the cables required for your components.
  3. Mount the PSU securely in your case.
  4. Connect the appropriate cables to your motherboard, CPU, GPU, and other peripherals.
  5. Plug the AC power cord into the PSU and a wall outlet.

Compatibility:

  • Form Factor: ATX
  • Motherboard Connector: 20+4 pin ATX
  • CPU Power Connector: 4+4 pin
  • PCIe Power Connectors: 6+2 pin (2 included)
  • SATA Power Connectors: 6
  • Peripheral (Molex) Connectors: 3

Care:

  • Keep the PSU vents clear of dust and obstructions to ensure proper airflow.
  • Periodically clean the exterior with a dry or slightly damp cloth. Avoid using harsh chemicals.
  • Ensure all cable connections are secure.
  • Do not attempt to open the PSU unit, as this can be dangerous and will void the warranty.