The 64GB SELECT UHS-I SDXC memory card from Delkin Devices is optimized for use in DSLRs, camcorders, and other handheld devices. It has a storage capacity of 64GB and uses the UHS-I bus to support read speeds of up to 100MB/s and write speeds of up to 50MB/s. This card is also designed with the V30 Video Speed Class rating, which guarantees a minimum write speed of at least 30 MB/s. All of this allows users to capture smooth, continuous 4K and Full HD 1080p video, as well as raw and JPEG photos. Designed for extreme conditions, Delkin's 64GB SELECT UHS-I SDXC memory card is protected against water, shock and X-rays. It also features built-in error correction and wear compensation. A built-in write-protect switch protects your content from being erased. A protective storage case is included.