Today only, until 2 pm ET (or 100% claimed), Amazon offers the Lexar 32GB Echo MX USB 2.0 Flash Drive, model no. LEHMX32GBSBNA, for $19.99 with free shipping ($0.62/GB). That's the lowest total price we could find by $8. Sales tax is added where applicable.

Also available is the Lexar 64GB Echo MX USB 2.0 Flash Drive, model no. LEHMX64GBSBNA, for $43.99 with free shipping ($0.69/GB). That's another low, by $9.