Amazon offers the Lexar JumpDrive M20 64GB USB 3.0 Flash Drive, model no. LJDM20-64GBBNL, for $15.99. (B&H Photo Video charges a buck more.) Plus, Prime members receive free shipping. (Non-members can spend $49 to bag free shipping; otherwise, shipping costs $8.06.) That's the lowest total price we could find by $3.