SanDisk Extreme III CompactFlash is designed for serious professional photographers who demand one of the fastest, most rugged, and most durable memory cards on the market. Professional photographers who work under less than ideal conditions expect more from a flash memory card. More speed. More performance. More reliability. SanDisk's new Extreme III card delivers everything you want plus a whole lot more!That's because only SanDisk Extreme III memory cards feature innovative ESP Technology for the fastest speeds and highest performance. ESP stands for "Enhanced Super-Parallel Processing". Simply put, it means you are getting the fastest read/write speeds available - an amazing minimum 20MB per second sequential read and write speed - speed you'll definitely appreciate whenever you find yourself shooting and storing pictures in harsh environments, extreme temperatures or at high altitudes.Every SanDisk Extreme III CompactFlash card comes with RescuePRO so you can recover images, documents, mail, video, music - just about any digital file, with ease. Built with leading-edge media recovery algorithms, RescuePro lets you preview recoverable data before you try to retrieve it. With RescuePRO's unique recovery algorithm for MPEG audio and MPEG video recovery (MPEG-1/2/3) what you see, and what you hear, is what you can recover.Rely on SanDisk Extreme III cards when speed is critical to getting the right shot.