SanDisk Extreme PRO. Capacity: 256 GB, Flash card type: SDXC, Flash memory class: Class 10, Internal memory type: UHS-I, Read speed: 200 MB/s, Write speed: 90 MB/s, UHS Speed Class: Class 3 (U3), Video Speed Class: V30. Protection features: Shock resistant, Waterproof, X-ray proof, Product colour: Black