This Buslink hard drive supports a large capacity and USB 3.2 Gen 1/eSATA interface. The eSATA connection allows for a fast connection. Using metal alloy case, heat is easily dissipated and with less plastic used, more recyclable and eco friendly too. It also includes a built-in 2-port USB hub so that you can connect 2 USB devices through the drive freeing up your USB ports. This drive is perfect for your everyday data storage and backup.