Up to 256GB storage capacity lets you shoot hours of Full HD video and take tons of photos without switching cards Read speeds up to 200MB/s (when used with a SanDisk QuickFlow SD UHS-I Card USB-A Reader, sold separately) save time transferring files Features enhanced performance for Full HD video and fast content management Ultra durable construction is waterproof, temperature proof, X-ray proof, drop proof, magnet proof, humidity proof, wear out proof, and shock proof Proprietary flash management techniques help deliver reliable performance with industry-leading in-house produced NAND Easily back up, organize, and transfer photos and videos with the SanDisk Memory Zone mobile or desktop app