MicroSDXC, 64Gb, Class 10, 20 MB/s, WhiteKey Specifications- Product Type : Memory Card - Original Manufacturer : SanDisk - Original Model : 64G MicroSDXC Class 10 - Description : Memory Card (SDSDQQ-064G-G46A) - Capacity : 64 GB - Form Factor : MicroSDXC - Card Type : microSDXC - Interface : 20 MB/s (read / write)