SanDisk 64GB Extreme PRO UHS-II SDXC Memory Card (2-Pack) 64GB Storage Capacity per Card, UHS-II / V60 / U3 / Class 10, Maximum Read Speed: 280 MB/s, Maximum Write Speed: 100 MB/s, Minimum Write Speed: 60 MB/s, Records 6K, 4K, and Full HD Video,...