The Western Digital WD 1TB My Passport Portable Storage USB 3.0 WDBYNN0010BBK-0B is a sleek black external hard drive with a storage capacity of 1TB, designed for use with PCs. It features password protection, automatic backup, and is powered by USB for convenience. This portable HDD is compact, measuring 2.5 inches in size and is part of the My Passport product line by Western Digital, known for its reliability and performance. Made in Thailand, this unit is a practical and secure storage solution for your data needs.