Wise SDXC UHS-II V90 512GB; SD-N memory card; meets the speed class V90 and are therefore significantly faster than the previous models from the SDXC UHS-II series; By using new chip technology, new software and 3D NAN flash memory, the maximum capacity has been increased and the minimum consistent write speed has been improved to 90 MB/sec; Technical data: Video Speed Class: V90; maximum reading speed: 290 MB/sec; maximum write speed: 260 MB/sec; continuous minimum write speed: 90 MB/sec; Operating temperature: -25° to 85° C; Storage temperature: -40° to 85° C; Dimensions: 24 x 32 x 2.1mm; Weight; 2g