NWOB. Has minor nick in bottom corner. See photos. UnionSine 500GB External Hard Drive is a portable HDD designed for use with laptops, PCs, and other devices. With a sleek black design and a compact 2.5-inch form factor, this USB 3.0 drive offers fast transfer speeds and is easy to use with its plug-and-play feature. The brand UnionSine ensures quality and reliability, making this external drive a great option for expanding storage capacity on your devices. The 500GB storage capacity provides ample space for storing a variety of files and data.