Power Supply Unit Seasonic G12 GC 750 W

The Seasonic G12 GC Series is an ATX power supply available in common wattages for typical PC systems. It meets the 80 PLUS Gold efficiency standard, delivering at least 87% efficiency at 20% load, 90% at 50% load and 87% at 100% load. The unit combines Active Power Factor Correction with an LLC resonant converter and Seasonic's Smart and Silent Fan Control (S2FC) to reduce energy waste and improve operational stability.

Advantages

The G12 GC Series provides proven energy efficiency that lowers electricity consumption and operating costs. Its LLC resonant converter design and Active PFC contribute to stable voltage regulation and reduced electrical noise. The integrated Smart and Silent Fan Control (S2FC) balances cooling performance and acoustic levels for quieter operation under light and medium loads.

Key specifications

• Form factor: ATX
• Efficiency certification: 80 PLUS Gold (87% @ 20% load, 90% @ 50% load, 87% @ 100% load)
• Power factor correction: Active PFC
• Topology: LLC resonant converter
• Fan control: Smart and Silent Fan Control (S2FC)

How to use

Install the G12 GC Series power supply into a compatible ATX case following standard PC assembly procedures and the manufacturer's installation guidelines. Connect the required motherboard, CPU, GPU and peripheral power cables to the appropriate connectors. Ensure adequate case ventilation and follow recommended wattage guidelines for your system components to prevent overloading.

Recommendations

Choose a wattage variant that matches your system's peak power draw plus a safety margin of 20–30%. Regularly clean case filters and maintain airflow to ensure the S2FC fan control operates efficiently and to preserve long-term performance.