Buy.com via Rakuten Shopping offers the SanDisk 64GB Ultra UHS-I Class 10 microSDXC Memory Card with Adapter, model no. SDSDQUA-064G-A11A, for $44.99 with free shipping ($0.70/GB). That's the lowest total price we could find by $12, although we saw it for $7 less in November. It's UHS-I enabled and comes with a full-size SD card adapter.