Best Buy via eBay offers the SanDisk 64GB Ultra USB 3.0 Flash Drive in Black or Red, model no. SDCZ48-064G-A46, for $17.99 with free shipping. That's $2 under our August mention and the best price we've seen. (It's also a current price low by $3.) It features read speeds of up to 80MB/s and SanDisk SecureAccess software, which enables password protection.