Amazon offers the Western Digital 1TB My Passport Ultra Portable USB 3.0 External Hard Drive in Black, model no. WDBGPU0010BBK-NESN, for $59. (Newegg offers it for $1 more via code "EMCAXAR56" while Adorama has it backordered for the same.) With free shipping, that's the lowest total price we could find by $6. It features automatic backup and optional 256-bit AES hardware encryption.