Amazon offers Prime members the SanDisk 64GB Ultra Fit USB 3.0 Flash Drive, model no. SDCZ43-064G-G46, for $22.99 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $8.05.) That's $7 below our mention from two weeks ago and the lowest total price we could find today by $12. It features read speeds of 130 MB/s and is backwards compatible.

Of note, Amazon also offers Prime members the SanDisk 32GB Ultra Fit USB 3.0 Flash Drive, model no. SDCZ43-032G-G46, for $12.99 with free shipping. That's the lowest total price we could find by $5. The specs are the same as above.