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SK Hynix samples 96 layer 1Tb quadruple-level cell (QLC) memory

Friday, May 10, 2019

SK Hynix has delivered samples of new 1Tb quadruple-level cell (QLC) memory to major SSD controller companies, according to the company.

SK Hynix applies its own QLC technology to 96-layer charge-trap-flash-based 4D NAND flash, said the company, adding that its 96-layer-based 1Tb QLC products will be "in time for the QLC market opening."

Meanwhile, SK Hynix is ??developing its own QLC software algorithm and controller and plans to launch solution products in time to meet client demand, the company indicated.

"We plan to launch our own QLC-based SSD from next year when demand for enterprise QLC NAND is expected to become meaningful," said SK Hynix VP and head of NAND development strategy Han Joo Na in a company statement. "In particular, we intend to establish a solid position in the market for high-density eSSD, which is replacing hard disk drives (HDD), with NAND Flash solutions as large as 16TB (terabytes) or larger."

Also in the same statement, Silicon Motion Technology CEO Wallace Kou noted "we got QLC engineering samples from SK Hynix, and were impressed by its overall performance. The samples meet client SSD product requirements."

According to IDC, the proportion of QLC in the NAND Flash market is expected to increase from 3% in 2019 to 22% in 2023, while the eSSD market will grow at a CAGR of 47.9% to rapidly replace HDD during the five-year period.

By: DocMemory
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