The BUFFALO DriveStation Quad is a high-performance external desktop storage RAID array that provides reliable and secure storage space for your data. It features four drives with a total storage capacity of 4TB, allowing you to store a large number of files, documents, and media files. The interface of the external drive is USB 3.0, ensuring compatibility with most devices and fast data transfer speed. The external hard disk drive comes in a sleek black color, and the model is HD-QL4TU3R5. It is an ideal choice for individuals and businesses looking for reliable storage solutions.