SK hynix’s board has approved a combined 54 trillion won (roughly $39 billion) for two new fabrication plants, the company announced on August 7, 2026: 35.2 trillion won for “Y2,” the second fab at its Yongin Semiconductor Cluster, and 19.1 trillion won for “M17,” a new NAND fab in Cheongju. The two projects expand production capacity for both halves of the memory business that AI infrastructure now runs on: DRAM for high-bandwidth memory, and NAND flash for the enterprise SSDs piling up behind…