Best Buy via eBay offers the SanDisk 64GB Ultra USB 3.0 Flash Drive in Black or Red, model no. SDCZ48-064G-A46, for $16.99 with free shipping. (Amazon charges the same in Black.) That's a buck under last month's mention and the lowest total price we've seen. (It's a current low by $2.) It features read speeds of up to 80MB/s and SanDisk SecureAccess software, which enables password protection.