Card capacity: 4GB. Up to 15 MB/s transfer speed, write speed lower. In the fast-paced world of digital photography, you rely on your camera and its capabilities. You also rely on your CompactFlash card to be fast, reliable and compatible with your camera.  Now you can capture those high-resolution images even faster. Do it all with low power consumption, which means longer battery life. CompactFlash cards are ideal for your most demanding photo shoots, including photojournalism and event, sports, nature and fashion photography.