The SD Association today announced a new design for memory cards that improves bus interface speeds to 300Mbps for both SDXC and SDHC cards and devices. The SD Association achieved the new speeds by introducing a dual-row pin configuration. The SD Association says that the new option will be available to full-sized SD cards as well as microSD cards, and will not require card makers to change the physical form factor of the cards. The design will be included in the forthcoming SD 4.0 specification, which is expected to be ratified in 2011.

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SD Association Rolls Out New 300Mbps SDXC/SDHC Spec

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