Smart Buy SD XC Class 10 Memory Card SDXC C10 Ultra U1 UHS-I HD Fast Speed for Camera (64GB (1-Pack)) Read Speed up to 45MB/s (with USB 3.0) | Write Speed up to 20MB/s (with USB 3.0) Built-in Error Correcting Code (ECC) to detect and correct transfer errors. Supports Content Protection for Recordable Media (CPRM). Allows In System Programming (ISP) for updating firmware. Support auto-standby, power-off and sleep modes. Mechanical write-protection switch. Class 10 and U1 (UHS-1) speed class rating to capture Full HD video -even in 3D. Waterproof, Temperature Proof, X-Ray proof. Support exFAT (SDXC) file system. Packaging: Retail Box Package. Warranty: 2 Years (Undercover by Smartbuy-Depot)