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PC Components RAM DRAM SK hynix to invest $712.5 billion in South Korean operations — Cheongju NAND expansion, Yongin Semiconductor Cluster for DRAM detailed News By Anton Shilov Published July 3, 2026 Over the next decades. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: SK hynix) Share this article 0 Join the conversation

Samsung said on June 29 it will invest a combined KRW2,655 trillion (approx. US$1.72 trillion as of June 30, 2026) across its domestic operations, splitting the figure between continued buildout of its existing Pyeongtaek and Yongin semiconductor clusters and a fresh push into Korea's southwestern Honam region, where the bulk of the new money is aimed at memory capacity.

SK Hynix is racing to complete the first cleanroom at its massive Yongin Semiconductor Cluster in Gyeonggi Province, South Korea, by February 2027, ahead of rival capacity expansion timelines. The site's first fabrication facility will break from conventional flat-floor layouts, stacking production floors three levels high in a pioneering triple-deck fab design.