This portable external hard drive from Western Digital is a powerful tool for storing and protecting your important data. With a massive storage capacity of 4TB, this black My Passport drive is perfect for backing up your files, photos, and videos. The USB 3.0 and 2.0 interface ensures fast transfer speeds, while password protection keeps your data secure. The My Passport Wireless Pro also features a cache size of 256MB, making it an ideal choice for professionals and enthusiasts who need to store and access large files quickly. Whether you need to back up your laptop or transfer files between devices, this external hard drive is a reliable and convenient choice. Drive only tested and working you will need a usb hard drive cable for charging and connecting it Also  has wifi