Amazon offers Prime members the SanDisk Ultra 64GB UHS-I Class 10 microSDXC Memory Card, model no. SDSDQUAN-064G-G4A, for $22.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.) That's $2 under our mention from June and the lowest total price we could find by $2.