Removable Cards. Our removable data storage solutions are available in a variety of consumer form factors. For example, our ultra-small microSD removable cards, available in capacities up to 64 gigabytes, are designed for use in mobile phones. Our CF removable cards, available in capacities up to 128 gigabytes, with up to 100 megabyte per second write-speeds, are well-suited for a range of consumer applications, including digital cameras. Our professional products include the SanDisk Ultra®, SanDisk Extreme® and SanDisk Extreme®PRO™ product lines, which are designed for additional performance and reliability.