The Seagate Portable external hard drive is a sleek 2.5-inch unit in black, suitable for use with laptops and PCs. With a storage capacity of 5TB and a rotation speed of 5400 RPM, this USB 3.0 drive is perfect for storing a large amount of data. It is powered by USB and does not require any additional cables for operation, making it convenient for on-the-go use. As part of the Expansion product line from Seagate, this portable external HDD is a reliable and compact storage solution for all your needs.