Lexar Professional 2000x UHS-II U3 300MB/s 64GB Rev E SDXC Card Review with reader benchmarks and camera write speed comparison - Camera Memory Speed Comparison & Performance tests for SD and CF
Amazon.com: Lexar E-Series Plus 64GB Micro SD Card, microSDXC UHS-I Flash Memory Card with Adapter, 160MB/s, C10, U3, A2, V30, Full HD, 4K UHD, High Speed TF Card for Phones, Tablets, Drones,