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
64GB ADATA Premier ONE MicroSDXC UHS-II U3 Class10 V90 275MB/s Memory Card
ADATA Premier ONE 64GB V90 microSDXC Card (UHS-II U3 Class 10) (AUSDX64GUII3CL10-CA1) w/SD Adapter - Newegg.com