This USB 3.0 to IDE SATA adapter allows you to connect 2.5/3.5 inch IDE/SATA hard disks to your computer via a USB port. It supports transfer rates of up to 5Gbps and is compatible with Windows and Mac OS. The adapter also features an on/off switch for HDD protection, a DC power supply for 3.5 inch devices, and an LED activity indicator. It is widely compatible with various operating systems and supports offline clone. The package includes a USB 3.0 to SATA/IDE converter, a 12V power adapter, a 1M USB3.0 data cable, and a user manual.