Samsung MB-SY512S. Capacity: 512 GB, Flash card type: SDXC, Internal memory type: UHS-I, Read speed: 200 MB/s, Write speed: 130 MB/s, UHS Speed Class: Class 3 (U3), Video Speed Class: V30. Protection features: Magnet proof, Shock resistant, Temperature proof, Water resistant, X-ray proof, Product colour: White