The CD-390BK-eSATA external enclosures are built for 3.5" SATA I/II hard drives with capacities of up to 2 TB. Designed with convenience in mind, it includes a one-touch data back-up function that allows you to store all your data information easily and quickly. It is safe. It is simple. Just push a button! This enclosure is also encased with genuine leather to add that touch of sophistication and classiness. Enjoy the appearance. Utilize the functions.