The Western Digital WD My Passport WDBACY5000ABK-01 is a 500GB external hard drive with a USB 3.0 interface, making it compatible with laptops, PCs, and Macs. With a sleek black color and a 2.5-inch form factor, this HDD offers a storage capacity of 500GB at a rotation speed of 5400 RPM. It features USB-powered functionality and is part of the My Passport product line by Western Digital. This reliable external drive is an ideal choice for expanding storage capacity on various devices.