Silicon Power SP256GBSTXDA2V20SP A2, Superior A2 MicroSD Card, 256GB, UHS-I U3, Video Speed V30 4K Ultra HD Recording, Read Speed: Up to 100MB/s, Write Speed: Up to 80MB/s, read of 4,000 IOPS write of 2,000 IOPS, sustained sequential speeds, Error Correction Code, Water, Dust, Temperature, Extreme Environments. 5 Year Warranty
5 Years