Jan. 4, 2007 -- Toshiba announced Thursday the North American release of a new line of USB 2.0 portable external hard drives.

The 2.5-inch hard disc drives, which come with 100GB, 120 GB or 160 GB capacities, can be programmed to automatically back-up data on a specific schedule or continuously capture updates to files and save them to the external drive, the company said.

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