SanDisk Extreme 64GB microSDXC UHS-I Class 10 SDSQXAH-064G-GN6MA 64GB microSDH
Up to 80MB/s write speeds for fast shooting 4K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30). Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds.