The black external USB 3.0 WD from Western securely stores files on an EasyStore 4TB hard drive. It comes with some pieces of pre-installed utility software for user-friendliness, and it automatically backs up files, so the user does not have to do it his or herself. This USB 3.0 WD hard drive is well-suited for transfer rates of up to three times quicker than other same-capacity drives. It also offers enough storage space for photos, documents, music, and more.