Best Buy offers the SanDisk 64GB Ultra UHS-I Class 10 SDXC Secure Digital Extended Capacity Card
, model no. SDSDU-064G-A11, for $43.99
with free shipping
. That's $0.69/GB and the lowest total price we could find by $4, although we saw it for $9 less in June. It features read speeds of up to 30MB/sec.