Whodunnit: SK Hynix turned down a $374 million advance from Nvidia rival to reserve HBM shares — and instead, the Samsung rival signed a $749 billion deal with Nvidia

SK Hynix, the world’s second-largest memory maker (after South Korean chip giant Samsung), recently turned down a 500 billion won ($374 million) advance from an unnamed AI accelerator company to acquire a dedicated high-bandwidth memory (HBM) production line.

Instead, according to The Korean Economic DailySK Hynix has pledged to supply HBM products worth more than 1 trillion won (US$749 billion) to Nvidia, the leader in AI chip development.