Kioxia is sampling a 256GB NAND flash UFS memory supporting MIPI M-PHY v5.0. The eventual line-up will  include 128GB, 256GB abd 512GB devices. UFS (MIPI M-PHY 5.0 has a theoretical interface speed of up to 23.2Gbps per lane (x2 lanes = 46.4Gpbs) in HS-Gear5 mode. Sequential read and write performance of the 256GB device is ...

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