Kingston 256GB MicroSD XC card Review: This expensive Class 10 card is Tardis-like but not the fastest we've tested - Servers & Storage - Removable Storage (Other) - Good Gear Guide
Amazon.com: Kingston Digital 64GB SDXC UHS-I Speed Class 3 Flash Card (SDA3/ 64GB) : Electronics
Kingston Digital 64 GB microSD Class 10 UHS-1 Memory Card 30MB/s with Adapter (SDCX10/64GB) : Electronics - Amazon.com