Serious professional photographers who demand one of the fastest, most rugged, and most durable memory cards on the market should choose the SanDisk Extreme III SD card. Built to work under the most challenging conditions, with SanDisk Extreme III you'll get more speed, better performance, and unmatched reliability. 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.

Fast 20MB/sec sequential Read/Write speeds

Ideal for demanding photo shoots under severe weather conditions heat, cold, wind, rain, snow, etc

Class 6 speed performance rating ( based on SD 2.0 specifications)

SDSDX3-4096 BULK - Each unit is individually packaged in an Anti-Static Parts Bag

Lifetime limited warranty