Amazon.com: SanDisk Ultra 64GB MicroSD XC Class 10 A1 UHS-1 Mobile Memory Card up to 98MB/s Read Speed (SDSQUAR-064G-GN6MN) with Mini MemoryMarket MicroSD Memory Card Reader : Electronics
Review: SanDisk Ultra 80MB/s microSDXC 64GB UHS-I Memory Card - Camera Memory Speed Comparison & Performance tests for SD and CF cards