SanDisk Extreme Pro 256GB microSDXC UHS-I is an ultra-fast memory card designed for 4K video recording on smartphones, action cams and drones. With a read speed of 200MB/s and write speed of 140MB/s, it ensures seamless recording and high-performance storage. The V30 speed class guarantees smooth video capture, even in demanding conditions. Ideal for professionals and enthusiasts alike, this card provides reliability and durability for storing large files and high-resolution content.