As the leader in high-performance flash technology, SanDisk is introducing the newest flagship product specifically designed for medium format cameras with a digital back, targeted at the high-end professional photographers, for the Americas Photo channel. Extreme IV has extremely fast read/write speeds (45 MB/s). This line provides the durability and high-speed quality demanded for serious photography. SanDisk"s award-winning technology solidifies the strength of the Extreme family of high-performance flash cards. It provides your customers the full line of SanDisk digital imaging products, from our entry-level blue label through this newest edition of our Extreme IV products. The Extreme IV CF card has the fastest speed available today, in a brand name you can trust.