SanDisk SD Extreme Pro 256 GB
SanDisk SD Extreme Pro 256 GB, Secure digital card SDXC, Capacity: 256 GB, Class 10 & UHS Class 3 (U3), Very suitable for multitrack recorders, DSLR and video cameras with 4K Ultra HD, Data transfer speed: up to 170 MB/s read, up to 90 MB/s write, Write protect switch to prevent accidental erasure or overwriting