Kingston Technology 256GB SDXC Canvas Select Plus 100R C10 UHS-I U3 V30. Capacity: 256 GB, Flash card type: SDXC, Flash memory class: Class 10, Internal memory type: UHS-I, Read speed: 100 MB/s, Write speed: 85 MB/s, UHS Speed Class: Class 3 (U3), Video Speed Class: V30. Protection features: Heat resistant, Vibration proof, Waterproof, X-ray proof, Product colour: Black