This removable CFast storage medium allows data to be written and erased as many times as is required ,- Designed for professional users of the broadcast, cinema and photography industry ,- Suitable for cameras, camcorders und terminal devices with a CFast 2.0 slot ,- Extremely high recording speed e.g. for cinema-quality 4k videos ,- Data transfer: reads at up to 430MB/s and writes at up to 525MB/s ,- Temperature (operative/non-operative state): -20 C to +70 C ,- Tested compatibility with cameras from the manufacturer Blackmagicdesign ,- Genuine SanDisk branded item, OEM quality