... sd, micro sd, mini sd, m2, cf, xd, etc from 1G to 8GThe new Ultra II CompactFlash memory card has a minimum sustained write speed ... speed for ultra-fast image viewing and data transfer Minimum 9MB/second** sequential write speed lets you capture large image files faster High ... (SDMI) portable device requirement. Faster write speed means less time between shots 8GB Ultra II CompactFlash CF Memory Card