The Toshiba 640GB USB Portable Hard Disk Drive HDD is a compact and portable external HDD perfect for storing and accessing large amounts of data on the go. With its sleek black design and 640GB storage capacity, this unit is ideal for those who need extra storage space for their files and media. The included USB cable ensures easy connectivity to various devices, making it a convenient and reliable storage solution for users seeking a high-quality external hard drive from a trusted brand like Toshiba.