Amazon offers Prime members the Kingston 64GB UHS-I Class 10 microSDXC Card, model no. SDC10G2/64GB, for $12.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $8.) That's $16 under our mention from two weeks ago and the lowest total price we could find by $4.

Expect shipping to take two to three weeks.