The Extreme 256GB SD Card offers high-speed performance with read speeds up to 230MB/s and write speeds up to 160MB/s, making it ideal for recording 4K UHD videos and high-resolution photos. Its durable design ensures reliable operation in various environments, including water, temperature, and shock resistance. With a substantial storage capacity of 256GB, it accommodates extensive media files, and the included Sandisk Memory Zone desktop app facilitates easy file backup and organization. | Sandisk | | Extreme 256GB SD Card | Best Buy