Amazon offers Prime members the Samsung 64GB Evo UHS-I Class 10 microSDXC Card with Adapter
, model no. MB-MP64DA/AM, for $16.99
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.) That's the lowest total price we could find by a buck, although we saw it for $1 less a month ago. It features data transfer speeds of up to 48MB/s.