Lexar Media's 256MB 40X-speed Professional Series CompactFlash card. The superior 40X-speed cards are guaranteed to be capable of a minimum sustained

Lexar Media's 256MB 40X-speed Professional Series CompactFlash card. The superior 40X-speed cards are guaranteed to be capable of a minimum sustained write speed of 6MB/s, and may operate up to a maximum write speed of 7MB/s or more. The large capacity cards are perfect for professional photographers who often prefer to shoot large image files, such as TIFF and RAW, and have a need for high-speed, high capacity memory cards.