Box Contents: 1 x 3.5 inch hard drive enclosure; 1 x 12V US power adapter; 1x USB Type A to Type C cable; 1x User Manual; 1x Service Card. Safety and Protection: 12V power adapter supplies a steady power supply so your hard drives will run effortlessly; a shock-proof sponge/foam material is installed for reinforced hard drive protection. Tool free installation; plug and play; no reboots or drivers needed; LED light indicates your hard drives are working at maximum performance. High Performance: Ultra-Fast USB 3.1 to SATA III interface has a maximum data transfer rate of 5Gbps, UASP protocol increases speed by 20% compared to traditional USB 3.0 specs. Compatibility: Supports 3.5 inch SATA HDD up to 20TB, USB 3.1 Type C to SATA III interface. Compatible with Windows and Linux.