The Western Digital My Passport WDBY8L0020BBK 2 TB external HDD is an excellent storage solution for users who travel often. With a massive storage capacity, this WD hard drive meets the growing demands of storing your digitized content. Get data transfer speeds of up to 5 Gbps with the USB 3.0 interface in this external HDD that makes way for consistent storage and archiving abilities. With an automatic backup utility software, this WD hard drive provides continuous backup with encryption for all your files, thereby ensuring data safety. The Western Digital My Passport WDBY8L0020BBK uses its USB cable to draw power, thus eliminating the need of an adapter.