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http://www.dpreview.com/news/0409/0...isk_ultraII.asp

SanDisk has quadrupled the capacity of its high speed Ultra II line of memory cards with an 8GB CompactFlash card. Also at the top end of the Ultra II range is a 4GB Memory Stick Pro and 2GB SD card. Each boasts a minimum write speed of 9MB/sec and read speed of 10MB per second.