***Brand new*** SanDisk Extreme III 4 GB CompactFlash Memory Card

Many professionals work in less than ideal conditions, and that's why SanDisk Extreme III CompactFlash cards are built to perform in the most extreme environments and temperatures, from -13 to 185 degrees Fahrenheit. Extreme III media are rigorously temperature, shock, and vibration tested, something you'll definitely appreciate whenever you find yourself shooting and storing pictures in harsh environments, extreme temperatures or at high altitudes.

Extreme III memory cards also feature SanDisk's exclusive and innovative Enhanced Super-Parallel Processing (ESP) Technology for the fastest speeds and highest performance. It means that you are getting the fastest read/write speeds available -- an amazing minimum 20MB per second sequential read and write speed.