The global memory industry is being reshaped. DRAM makers are moving into NAND. Memory giants are shifting wafer fabs toward the United States. Legacy IDM Infineon is exiting part of its memory business.
The global memory map built over the past decade-plus is now being rapidly reconstructed under the twin pressures of geopolitics and surging AI compute demand. The era in which memory companies could “lie back and win” or “outlast rivals” simply by riding the cycle is over.
Is memory manufacturing returning to the United States?
The United States once held absolute dominance in memory. Go back twenty or thirty years, and America was one of the most important birthplaces of the global memory industry.
Intel(), Micron(), , SanDisk(** **), and later Spansion—which grew out of the flash businesses of AMD and Fujitsu—were all major forces in global memory.
In the long industry consolidation that followed, the U.S. memory industry clearly diverged.
Intel gradually exited memory: first DRAM, then the sale of its NAND and SSD businesses to SK hynix. Spansion was absorbed and transformed through the Cypress and Infineon systems. SanDisk was acquired by Western Digital and later split out again as an independent company.
The only U.S. company that remained in the global DRAM first tier was Micron.
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