Cellphones could gain 2Tb of memory
Published: 12 January, 2009
Growing amounts of memory are a hallmark of the new breed of superphones, but now specifications are on the horizon, which could support a handset with a huge 2 terabytes of capacity.
The SD Association, the body creating standards for SD memory cards, has published specs for a new format called SDXC (eXtended Capacity). This not only supports capacity up to 2Tb, but will also accelerate SD interface read/write speeds to 104Mbps this year, with a roadmap to 300Mbps in future. The standard will be published in the first quarter of this year and would allow a phone to store about 100 high definition movies, 480 hours of HD recording or 136,000 fine mode photos. Previous attempts at terabyte storage on a handset would have restricted the high speed performance needed for applications like advanced photography, said the Association.
"SDXC combines a higher capacity roadmap with faster transfer speeds as a means to exploit NAND flash memory technology as a compelling choice for portable memory storage and interoperability," said Joseph Unsworth, an analyst at Gartner Group.
The first SDXC cards to hit the market are likely to provide 64Gb of storage, doubling the 32Gb maximum in SDHC memory cards.
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