ProMaster Rugged SD Card 256GB — UHS-II V90

High-performance ProMaster Rugged SD memory card with 256GB capacity and UHS-II V90 speed class. Built for demanding photo and video work, the V90 rating guarantees minimum sustained write performance (90 MB/s) for reliable 4K/8K recording and fast continuous burst shooting. The UHS-II interface delivers higher throughput while remaining backward compatible with UHS-I devices. Rugged construction provides dependable operation in professional shooting environments.