SanDisk Corporation is now shipping flash memory cards based on the company’s new X4 flash memory technology. This innovative technology holds four bits of data in each memory cell, twice as many as the cells in conventional multi-level cell (MLC) NAND (2-bits-per-cell) memory chips.
SanDisk touts the new X4 as the highest-density single-die memory device in the world today. SanDisk is shipping 8GB and 16GB SDHC cards as well as 8GB and 16GB Memory Stick PRO Duo cards using X4 technology.
â€œOur challenge with X4 technology was to not only deliver the lower costs inherent to 4-bits-per-cell, but to do so while meeting the reliability and performance requirements of industry standard cards that employ MLC NAND,â€ said Sanjay Mehrotra, president and chief operating officer, SanDisk.