With Samsung Electronics expected to soon beginning supplying 63 nm NAND flash, Taiwan memory module makers, including A-Data Technology, Transcend Information, and Power Quotient International (PQI), plan to launch 1 GB microSD cards in October, in an effort to challenge the dominance of SanDisk and Kingston Technology in the high-density microSD market, according to industry sources. Currently 1 GB microSD cards are in short supply, and only SanDisk and Kingston have been able to make their own 1 GB microSD cards, using Toshiba's 4 Gb MLC (multi-level-cell) chips.
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