The hard disk box can put hard drive to backup the data. It is plug and play, open the HDD enclosure, put your hard drive, assemble it. Then connect the computer. Specifications: Model: EB-2506U3 Supporting Capacity: 6TB Transmitting Speed: USB3.0: 5Gbps USB2.0: 480Mbps Interface: USB3.0 Supported HDD: 2.5 SATA 1/2/3, SSD LED Indicator Light: Power Light: Blue Data Light: Red Supported System: for Windows XP/Vista/7/8/10, for Max OS 10.X, for Linux Material: Aluminum alloy #43; Plastic Type: Aluminum panel, Simple (optional) Color: Aluminum panel: Blue, Black, Silver, Red Simple: Blue, Black, Red (optional) Item Size: 135 * 81 * 17mm / 5.31 * 3.19 * 0.67in Package Weight: 150g / 5.29ounces Package Size: 150 * 90 * 40mm / 5.91 * 3.54 * 1.57in Note: The item is just hard disk box, not include hard disk. Package List: 1 * Hard Disk Box 1 * USB Cable 1 * User Manual