Toshiba will start volume production of a 3Tbyte HDD this month.

The 3.5 inch drive is aimed at consumer products. It complies with the EU RoHS directives.
There are variations: one for desktop PCs; one for digital video; one for low power consumption applications.
High-speed data transfers are secured by adoption of SATA I/F capable of a 6Gb/s transfer rate.