"Tripp Lite's USB 3.0 SATA Hard Drive Dock gives you a quick and easy way to set up an external hard drive storage system. Plug the docking station into an available USB 3.0 port on your computer, then insert a 2.5"" or 3.5"" SATA drive for an instant external storage device. Transfer data at SuperSpeed USB 3.0 rates up to 5 Gbps ( provided computer is USB3.0 capable ). Far easier than installing the hard drive internally or in a caddy, the USB3.0/SATA Dock is easy to use, convenient and practical. Backward compatible to older USB 2.0 and 1.1 computers ( 480mbps and 12mbps transfer speeds respectively ). Includes 100-240V AC Adapter, and 1.22 m USB 3.0 cable. ( No disk drives are included with this unit ) Compatible with Windows (up to 10) and Mac.● Instant SATA external storage for 2.5"" and 3.5"" SATA drives ● Plug-n-Play (no software or configuring needed)● USB 3.0 SuperSpeed transfer rates up to 5 Gbps● Heavy-weighted base for stability● Compatible with Windows (up to 10) and Mac● Plug in 2.5"" or 3.5"" SATA drives for instant external storage● Plug and Play - no tools, software or configuration required● Connect via USB 3.0 computer port● Super Speed USB 3.0 - Up to 5 Gbps transfer speeds● Compatible with Windows (up to 10) and MacSystem Requirements● 2.5"" or 3.5"" SATA hard drive ● Computer with an available USB port. USB 3.0 port is required to achieve maximum speeds. ● Compatible with Windows (up to 10) and Mac Package Includes● U339-000 USB 3.0 SATA Hard Drive Dock ● USB 3.0 Device Cable ● External Power Supply with NEMA 1-15P Plug (100-240 VAC, 50/60Hz, 0.8A; Output: 12V, 2A)"