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Kioxia Begins Sample Shipments of 10th-Generation Flash Memory

The samples target enterprise and data-center SSDs as Kioxia seeks higher performance, higher capacity and lower power use for AI storage.

  • On Friday, Kioxia Corporation announced sample shipments of 1Tb TLC memory devices utilizing 10th-generation BiCS FLASH technology for enterprise and data center SSDs.
  • Manufacturing takes place at Kitakami Plant Fab2 in Iwate Prefecture, where Kioxia simultaneously advances 9th-generation and 10th-generation product lines to meet growing AI storage demand.
  • The 332-layer chips pack 59% more data than the 8th-generation version, achieving a NAND interface speed of 4.8 Gb/s—a 33% improvement—while write and read power efficiencies improved by 18% and 30% respectively.
  • Kioxia's shares rose 8.9% in Tokyo following the announcement, while Omdia analyst Akira Minamikawa noted Samsung Electronics and Hynix held 40% and 30% of the data-center flash market last year.
  • Shares of the former Toshiba unit have surged more than 680% this year amid the memory chip crunch, positioning Kioxia as Japan's biggest company by market value.
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Bloomberg broke the news in New York, United States on Thursday, July 2, 2026.
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