Seasonic has updated its CORE GX ATX 3 series to meet the latest ATX 3.1 and PCIe Gen 5.1 standards, making it an ideal choice for modern graphics cards and system builders. Available in four output variants from 650 W to 1000 W, these 80 PLUS Gold-certified power supplies offer options in both black and white finishes. Designed for convenience, they feature a fully modular design with braided, colour-matching cables for improved aesthetics and easy cable management.
Known for its high-quality construction, the Seasonic CORE GX series delivers reliable performance across a wide range of applications. Each unit is equipped with a 120 mm hydro dynamic bearing fan and Smart and Silent Fan Control technology, ensuring effective cooling with minimal noise. Backed by a 7-year worldwide warranty, these power supplies offer a dependable solution for PC enthusiasts and professionals alike.
New Seasonic OptiSink Design
The overall quality and reliability of the new Seasonic CORE GX ATX 3 Series has been greatly improved by a brand-new PCB (Printed Circuit Board) layout. By using a redesigned PCB combined with smaller MOSFET and heat sink components, the internal space within the power supply was increased to enhance heat dissipation and airflow, resulting in better component cooling.
Fully Modular Cables
The Seasonic CORE ATX 3 power supply supports a native 12V-2×6 16-pin connector and up to three CPU/GPU 8-pin connectors to meet the diverse power demands of various systems.
Learn more about the updated Seasonic CORE GX ATX 3 Series at the Seasonic website.
Pricing and Availability
USA
Estimated time to market: January 2025
CORE ATX 3 GX-850: $129.99
CORE ATX 3 GX-750: $99.99
CORE ATX 3 GX-650: $89.99
CORE ATX 3 White: Built to order
EU
Estimated time to market
- Black version: Late December 2024
- White version: Late February 2025
CORE ATX 3 GX-850: €129.90
CORE ATX 3 GX-750: €115.90
CORE ATX 3 GX-650: €105.90
ROW
Estimated time to market: 2024 Q4
CORE ATX 3 GX-1000: $149.99 (BTO)
CORE ATX 3 GX-850: $119.99
CORE ATX 3 GX-750: $99.99
CORE ATX 3 GX-650: $89.99
CORE ATX 3 GX-850 White: $129.99 (BTO)
CORE ATX 3 GX-750 White: $104.99
CORE ATX 3 GX-650 White: $94.99
