Designed for microSD devices like smartphones, drones, and action cameras capable of capturing Full HD and 4K video, as well as raw and burst photos, the SanDisk 256GB microSDXC Extreme UHS-I Memory Card has a capacity of 256GB, is compatible with the UHS-I bus, and features a V30 speed class, which guarantees minimum write speeds of 30MB/s. If your device doesn't support V30, this card also supports U3, which also guarantees minimum write speeds of 30MB/s. Read speeds are supported up to 190MB/s and maximum write speeds at 130MB/s.
