It's 6 month old Seagate internal 1TB and 320gb hard disk's it's work with external and internal and this 1 tb and 320gb hard disk's protect with high steel metal.

Digital Storage Capacity - 1TB; Get an extra layer of protection for your data

Hardware Interface - USB 3.0, Drive RPM - 5400

Password protected - No; Sleek and simple portable drive design for taking photos, movies, music, and more on-the-go

Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)

Drag-and-drop file saving

USB 3.0 powered for windows and mac