256GB storage capacity lets you store hours of TV shows, movies, Full HD video, music, documents, games, photos, and podcasts Up to 200MB/s read speed with SANDISK QuickFlow microSD UHS-I card USB-A reader allows fast content offloading A1 app performance rating enables faster app loading on your device Ultra durable design is waterproof, temperature proof, X-ray proof, drop proof, magnet proof, humidity proof, wear out proof, and shock proof Easily back up, organize, and transfer content with the SANDISK Memory Zone mobile or SANDISK desktop app Extensively tested to work seamlessly with compatible products Proprietary flash management techniques help deliver reliable, in-house produced NAND