To meet the high data transfer demands of Ultra High Definition filmmaking, Transcend's CFast 2.0 CFX650 Memory Cards feature incredible read and write speeds of up to 510MB/s and 370MB/s respectively, and boast high storage capacities ranging from 128GB to 256GB. Designed to support high-end 4K cameras and recorders from leading manufacturers, CFX650 Memory Cards meet the latest CFast 2.0 specifications for extreme performance, making them well-suited for the professional cinematographer shooting high-resolution Full HD and 4K video.