SanDisk recently announced the latest addition to its family of Extreme flash cards. The SanDisk Extreme III Memory Stick PRO-HG Duo is available in 4GB and 8GB capacities and is capable 30 MB/s read and write speeds.

SanDisk Corporation (NASDAQ: SNDK) today introduced the fastest card in its Memory Stick product family: the SanDisk Extreme III Memory Stick PRO-HG Duo with read and write speeds of 30 megabytes (MB)1 per second. The card, available in June in 4-gigabyte (GB)1 and 8GB capacities, is ideal for professional photographers and advanced amateurs who use Sony digital single-lens reflex (SLR) cameras.

SanDisk and Sony jointly developed Memory Stick PRO-HG Duo as an extension of the existing Memory Stick PRO format, to offer faster read and write speeds for PRO-HG capable Sony digital SLRs, point-and-shoot cameras and digital camcorders.
SanDisk Extreme III Memory Stick PRO-HG Duo cards will be available worldwide in June. The manufacturer's suggested retail price for the 4GB card is US $89.99 and for the 8GB card is US $149.99. Full details can be found here.