The SD Association has developed a new dual-row pin memory card design that can achieve bus interface speeds of up to 300 megabytes-per-second.

Currently, products that support the Ultra High Speed (UHS-I) technology, which include both SDHX and SDHC memory media, can support data transfer speeds of up to 104 megabytes-per-second.
The new technology, which will work with both SDXC and SDHC devices and memory cards, is fully backwards compatible. This means that devices that support it will still be able to work with any type of SD card.

"Our innovative dual-row pin design ultimately lets consumers using equipped products to manage the massive storage capacity found on SDXC memory cards at incredible speeds," explains Norm Frentz, Chairman of the SD Association. "SD can now support high definition video from Hollywood movie studios, television broadcasts, or HD videos taken on your latest vacation."

The options will be available in both full-sized and micro SD form factors, and do not change the size or shape of the actual cards themselves.

The design will be part of the upcoming SD 4.0 specification, which is expected to be released early next year.

At IFA in Berlin, where the announcement was made, attendees will have seen more than 40 products from 18 brands that support the SDXC standard. These range from digital cameras and video camcorders, to TVs, e-books, and developer kits.

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