256 GB , Type SDXC , Read speed 200 MB/s , Write speed 160 MB/s , UHS Speed Class Class 3 (U3) , Video Speed Class V30 , Flash memory class Class 10 , Colour Black , Operating temperature (T-T) -25 - 85 °C , Width 32 mm , Depth 24 mm , Height 2.1 mm , Weight 2.3 g