Less than a year after announcing their 64GB NAND flash modules, Toshiba has already provided a shipping date for even bigger 128GB chips. They have done so by switching from 32 to 64 Gbit NAND chips, built on their 32nm process.
The new 128GB device integrated 16 64Gbit NAND chips and a controller into a 17 x 22 x 1.4mm FBGA package. The chip conforms to JEDEC’s e-MMC 4.4 standard, just like the 64GB versions announced earlier. Sample shipments of 64GB chips start in August, with 128GB versions following in September. Mass production for both versions is scheduled for the last quarter of 2010.
Performance-wise the chips can reach write speeds of up to 21MB per seconds, and more than double that speed when reading. Manufacturers can combine several of these chips to create larger and faster drives.
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