Lexar Platinum II memory cards provide photographers with performance levels capable of sustained rapid-fire shooting and full-motion video, two of the most popular features in today's digital cameras. The Platinum II CompactFlash (CF) memory card is speed-rated at 60x (1x = 150KB per second) or about 9MB per second. The Lexar Platinum II CF card delivers ultimate performance, so you can take more photos, and shoot them in quick succession. It also gives you the flexibility to be creative and experiment with your DSLR camera, knowing you can rely on high-speed performance and huge card capacity. Using the Lexar Platinum II CF card means you can always capture that perfect moment. Professional-level durability for shooting in even in harsh conditions Sustained write capability (host to flash) - 1x = 150KB per seconds, 32x = 4.8MB per seconds Data transfer rate - Up to 9 MB per seconds minimum sustained write capability Power Requirements - 2.7v to 3.6v Dimensions - Length 32mm x Width 24mm x Height 2.1mm Weight - 2.0 grams Please check if your camera can handle 4GB CF memory cards