The Seasonic CORE GX 850W is a fully modular ATX3.1 power supply delivering 850W of continuous power with 80 PLUS Gold efficiency certification. Designed for high-performance desktop PCs, it provides stable, clean power across all connected components.
850W continuous output with 80 PLUS Gold efficiency reduces power waste and lowers system heat
Fully modular cable design lets you connect only the cables you need, improving airflow and cable management
ATX3.1 form factor ensures compatibility with the latest Intel and AMD high-end processors and graphics cards
24-month manufacturer warranty provides long-term reliability and peace of mind for your build
What sets the Seasonic CORE GX apart
Seasonic is a globally recognized power supply manufacturer with a reputation for industrial-grade components and rigorous quality control. The CORE GX line combines a fully modular design with a compact white chassis, making it a practical choice for builders who prioritize both performance and clean aesthetics inside the case.
Ideal for...
Users building or upgrading high-end gaming PCs, workstations, or content creation rigs that demand stable, efficient power delivery. The 850W capacity comfortably supports modern GPUs and multi-core CPUs without headroom strain.
Application of Seasonic CORE GX 850W
Install the unit in a standard ATX case, routing only the modular cables needed for your components
Connect the 24-pin ATX motherboard connector and the appropriate CPU and GPU power cables
Use the included modular cables to keep the interior tidy and optimize airflow
Power on and verify stable voltage readings in the BIOS or operating system
Seasonic is a Taiwanese manufacturer specializing in power supplies for the PC and server markets. The brand is widely regarded for its use of high-quality capacitors, rigorous testing protocols, and consistent efficiency ratings across its product lines. The CORE GX series targets the mid-to-high-end desktop segment with modular designs and white chassis options.
It is an ATX3.1 power supply that delivers 850W of continuous power to a desktop PC, suitable for high-performance builds with modern GPUs and multi-core CPUs.
Yes, the ATX3.1 form factor is designed for compatibility with the latest Intel and AMD high-end processors and graphics cards.
850W continuous output, 80 PLUS Gold efficiency, fully modular cable design, ATX3.1 form factor, and a 3.118 kg weight.
The power supply unit, modular cables (24-pin ATX, CPU, and GPU connectors), mounting screws, and a 24-month manufacturer warranty.
Seasonic provides a 24-month manufacturer warranty, covering defects in materials and workmanship under normal use.
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