2-Tbyte portable HDD has 256-bit encryption

My Passport Slim portable hard disk drive (WDBPDZ0020BA) is the first thin drive with 2 Tbyte capacity, a metal enclosure, and 256-bit hardware-based encryption. The small 4.33 x 3.14 x 0.48 inch drive uses a fast USB 3.0 interface and is powered directly from the USB port.

SmartWare Pro data protection software allows users to back up their data the drive and put an extra copy in their Dropbox account for peace-of-mind. Operating temperature 5°C to 35°C and the drive has a 3-year limited warranty. The 2 Tbyte model is $149.99.