What kind of performance efficiency can I expect from this 80 PLUS GOLD certified power supply under heavy load?

This power supply is 80 PLUS GOLD Certified, indicating high energy efficiency under heavy load conditions.

Does the SeaSonic CORE GX-650 support the latest GPU models with its ATX3 design?

Yes, the SeaSonic CORE GX-650 supports the latest GPU models with its ATX3 design as it includes an ATX 3 and 16-Pin PCIe Gen 5 Cable.

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SeaSonic CORE GX-650 ATX3 650 W ATX Fully Modular 80 PLUS GOLD Certified Full Modular Power Supplies

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ATX Fully Modular
Full Modular
80 PLUS GOLD Certified

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Learn more about the SeaSonic USA CORE GX-650 ATX3


Best Seller Ranking	#93 in Power Supplies

General
Brand	SeaSonic
Model	CORE GX-650 ATX3

Details
Type	ATX Fully Modular
Maximum Power	650 W
Fans	120 mm Hydro Dynamic Bearing (HDB) Fan
PCI-Express Connector	ATX 3 and 16-Pin PCIe Gen 5 Cable (12V-2x6)
Max PSU Length	140 mm
Modular	Full Modular
Energy-Efficient	80 PLUS GOLD Certified

Additional Information
First Listed on Newegg	October 14, 2025

Warranty & Returns

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Warranty

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Return for refund within: 30 days
Return for replacement within: 30 days
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Item#: 9SIC1TXKNA5307