The CORE Series is the brand new series that completes the Seasonic lineup. The 80 PLUS Gold certified CORE Series comes in all three cabling setups including the fully modular CORE GX semi-modular CORE GM and lastly the fixed-cabled CORE GC. The Seasonic Smart and Silent Fan Control automatically adjusts the fan speed according to the temperature inside the power supply. As part of the TUF Gaming Alliance the CORE Series is the perfect unit to go with your gaming PC.80 PLUS GOLDThe CORE GC Series achieves 80 PLUS Gold certification with its 90 % efficiency at 50 % system load.S2FC - SMART AND SILENT FAN CONTROLThe intelligent thermal circuit feature is designed to find the optimal balance between the necessity to cool the components and the need to run the power supply in the most silent manner possible.