The WD My Passport 250GB Portable External Hard Drive USB 2.0 WD2500ME-01 is a black external drive with a compact 2.5-inch form factor. It is compatible with laptops, PCs, and Macs, featuring a USB 3.0 interface for faster data transfer. This portable hard drive from Western Digital offers 250GB of storage capacity, making it perfect for on-the-go storage and backup needs. With features like USB connectivity, this My Passport Essential drive is a convenient and reliable option for expanding storage capacity.