SK Hynix working on cutting-edge 321-layer NAND flash memory

South Korean chipmaker eyes first half of 2025 for mass production

20230809N SK Hynix

SK Hynix showed off its 321-layer NAND memory at an industry exhibition in the U.S. (Photo courtesy of SK Hynix)

KOTARO HOSOKAWA, Nikkei staff writer

SEOUL -- South Korean chipmaker SK Hynix is developing 321-layer NAND flash memory for data storage, as the race for more layers of chips and greater data capacity continues in the industry.

The company gave a presentation on the development progress and displayed samples on Tuesday at an annual memory technology exhibition held in the U.S.

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