SK Hynix says has developed its most advanced 238-layer storage chip

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SK Hynix described it as the “industry’s highest” NAND flash chip and it follows U.S. rival Micron Technology Inc (NASDAQ:MU) saying last week it had begun shipping a 232-layer NAND chip.

SK Hynix said the new 238-layer chip is the smallest NAND flash chip in size, boasts a 50% improvement in data transfer speed over previous generation chips and power efficiency as well, as it cuts the volume of energy consumed for data reading by 21%.

The company plans to start mass production of the chip in the first half of 2023.

SK Hynix and Solidigm, the new name of Intel (NASDAQ:INTC)’s NAND business which SK acquired, hold a combined 18% share of the NAND flash market, behind Samsung Electronics (OTC:SSNLF) with 35.3% and Kioxia with 18.9%, according to first-quarter data from TrendForce.