Hynix says it is in volume production of 128-Layer 1Tb TLC (Triple-Level Cell) 4D NAND Flash. The chip contains, says Hynix, over  360 billion NAND cells each of which stores 3 bits. Hynix will start shipping the 128-Layer 4D NAND flash from the second half of this year. The chip has a data transfer rate ...

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