Exascend EX64GSDU2 Catalyst UHS-II SDXC Memory Card - 64GBOptimized for demanding uses in professional photography and cinematography, the 64GB Catalyst UHS II SDXC Memory Card from Exascend lets you quickly record and offload footage, even when working with extreme bitrates, to help ensure there are no dropped frames. This card features a storage capacity of 64GB and utilizes the UHS II bus to deliver maximum sequential read speeds of 300 MB s and maximum sequential write speeds of 280 MB s. Thanks to its