AMD expanded its partnership with Samsung to secure HBM4 memory for upcoming Instinct MI455X AI accelerators. The memorandum of understanding also includes advanced DDR5 memory for 6th generation EPYC CPUs.
This strategic move stabilizes AMD’s supply chain amid surging demand for AI hardware. The collaboration may eventually expand to include a foundry relationship between the two companies.
AMD shares rose in premarket trading on March 18, 2026, following the announcement. The deal ensures access to next-generation components required to compete with Nvidia in the high-performance computing market.