The Western Digital WD My Passport Portable USB Storage is a 500GB external hard drive that is compatible with laptops, PCs, and Macs. It features a USB 3.0 interface, a sleek black color, and a 5400 RPM rotation speed. This portable drive offers fast data transfer speeds and is powered by USB, making it convenient for use with various devices. Designed by Western Digital, a trusted brand in storage technology, this external drive is compact with a 2.5-inch form factor and is ideal for expanding storage capacity on the go.