> Capacities, 64GB, > Performance7 45MB/s read, ultra high-speed bus I (UHS-I) >Dimensions 24mm x 32mm x 2.1mm > File format FAT32 (SDHC 16GB-32GB); exFAT (SDXC 64GB-128GB) > Operating temperature -13°F to 185°F (-25°C to 85°C) > Storage temperature -40°F to 185°F (-40°C to 85°C) > Voltage 3.3V