SanDisk originally scheduled launch of its MLC chips with 4 bits per cell (x4 or 4BPC) in the first quarter. Engraved in 43 nanometers, they are relevant dimension / capacity is very good because they store two times more information than the conventional MLC, which contains 2 bits per cell. The problem with these chips, these are performances that are significantly reduced.

That's probably why they were delayed. The MLC introduced today reached a maximum capacity of 64 GB (8 GB). It will be used in memory cards or SDHC Memory Stick PRO Duo (8 GB and 16). Recall that these chips should not end up in flash drives (SSD), they are too slow for such use.

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