Lexar Professional 1000x UHS-II 64GB microSDXC Memory Card review and benchmark speed tests and camera write speed measurements - Camera Memory Speed Comparison & Performance tests for SD and CF cards
Amazon.com: Lexar 64GB Micro SD Card 2 Pack, microSDXC UHS-I Flash Memory Card with Adapter - Up to 100MB/s, U3, Class10, V30, A1, High Speed TF Card (2 microSD Cards + 1
Lexar 64GB Micro SDXC Memory Card with SD Adapter - Class 10