Samsung MB-MY512S. Capacity: 512 GB. Flash card type: MicroSDXC. 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: Drop proof. Magnet proof. Temperature proof. Waterproof. X-ray proof. Product colour: Blue