Adorama offers the Delkin 64GB RhinoDrive USB 2.0 Flash Drive
, model no. DDUSB-RHINO-64GB, for $39.95
with free shipping
($0.62/GB). That's the lowest total price we could find by $49 and among the least expensive 64GB flash drives we've seen. It features a data transfer rate of up to 34MB/s.