B&H Photo-Video offers the SanDisk 32GB Extreme USB 3.0 Flash Drive, model no. SDCZ80-032G-A75, for $29.99 with free shipping. (Amazon charges the same.) That's $0.94/GB and the lowest total price we've seen for a SanDisk 32GB USB 3.0 flash drive. (It's also a current price low by $9.) It features a maximum read speed of 190 MB/s and a maximum write speed of 110MB/s.

Amazon also offers the SanDisk 64GB Extreme USB 3.0 Flash Drive, model no. SDCZ80-064G-AFFP, for $49.99 with free shipping ($0.78/GB). That's the lowest total price we could find by $3. Sales tax is added where applicable.