SanDisk Extreme 90MB/s UHS-I U3 64GB SDXC Memory Card Review with speed tests and benchmarks - Camera Memory Speed Comparison & Performance tests for SD and CF cards
Amazon.com: SanDisk Ultra Plus 64GB microSDXC UHS-I Card with SD Adapter, Grey/Red, Full HD up to 100 MB/S For Android Phone, Tables and Camera (2 Pack of 64 GB Micro SD- Card) :