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Rectangular ATX power supply unit with matte black finish and branded side label

Seasonic

Seasonic Vertex PX-1200 1200W 80+ Platinum ATX power supply

SKU CH-7M89-ZMY3S

Delivers 1200W of ATX power with 80+ Platinum efficiency

  • TypeATX
  • Maximum Power1200W
  • 1200W output handles demanding multi-GPU builds
  • 80+ Platinum certification cuts wasted energy and heat
  • ATX form factor fits standard desktop cases
  • Fully modular cabling keeps the interior clean and airflow unobstructed

Vertex PX-1200 1200W ATX Power Supply

The Seasonic Vertex PX-1200 delivers 1200W of continuous power in a standard ATX form factor. It carries 80+ Platinum certification for high efficiency across typical loads. This unit suits enthusiasts building high-end workstations or multi-GPU systems that demand substantial, stable power delivery.

Upgrading from lower-wattage

Replaces power supplies that cannot sustain 1200W or lack Platinum-level efficiency, reducing waste heat and electricity cost under heavy load. The jump is worth it when your build draws near the 1200W limit or when you prioritise efficiency at high utilisation. Not for systems that peak well below this capacity or for builders who need a smaller form factor.

商品特色

  • 1200W output handles demanding multi-GPU builds
  • 80+ Platinum certification cuts wasted energy and heat
  • ATX form factor fits standard desktop cases
  • Fully modular cabling keeps the interior clean and airflow unobstructed

商品規格

BrandSeaSonic USA
Part NumberVertex PX-1200
TypeATX
Maximum Power1200W

商品問答

What ATX form factor clearance does the Vertex PX-1200 require in my case?

The Vertex PX-1200 follows the standard ATX form factor, so any case that accepts a regular ATX power supply will accommodate it.

How do I connect the cables correctly, and which step do builders often miss?

Use only the modular cables supplied with this unit, seat each connector firmly until it clicks, and remember to plug the 24-pin ATX and CPU power cables before closing the case.

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