Meet the next generation CFast 2.0 specifications Read/write speeds of up to 510MB/370MB per second High storage capacities ranging from 128GB to 256GB Manufactured with high quality MLC NAND flash chips Perfect for professional cinematography in high-resolution Full HD and 4K video recording Built-in Error Correcting Code (ECC) to detect and correct transfer errors Exclusive RecoveRx photo recovery software 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. Memory Internal memory type MLC Write speed 370