SanDisk Extreme III CompactFlash memory cards are the perfect choice for people who are serious about their photography, including first-time DSLR owners. The latest SanDisk Extreme III CompactFlash cards offer faster performance than ever before (30MB/s*) when shooting, viewing, and transferring photos. They feature extra silicon for durability; and professional-level services that have become synonymous with the SanDisk Extreme product family. CompactFlash is the number one memory format choice for professional photographers, since it offers the best in performance, capacity, and durability.