Review: SanDisk Ultra 80MB/s microSDXC 64GB UHS-I Memory Card - Camera Memory Speed Comparison & Performance tests for SD and CF cards
10 PACK - SanDisk Ultra 64GB UHS-I Class 10 MicroSDXC Memory Card Up to 48mb/s SDSQUNB-064G LOT OF 10 with USB 2.0 MemoryMarket dual slot MicroSD & SD Memory Card Reader - Newegg.com
Review: SanDisk Ultra 80MB/s microSDXC 64GB UHS-I Memory Card - Camera Memory Speed Comparison & Performance tests for SD and CF cards