Features: The Sata Docking Station supports the direct insertion of desktop two 2.5"/3.5" Sata hard drives, makes swapping hard drives easier than ever before. You can enjoy the lightening speed of USB3.0 to quickly transfer files up to 5Gbps Usb2.0480Mb! Connect any 2.5"/3.5" Serial-ata (Sata) hard drive to your computer through an available USB3.0 port on your desktop or laptop. Hard Drive Duplicator- Function, let you duplicate/clone- an existing hard drive without the use of a host computer system, or can be connected- to a computer system for use as an external- hard drive dock. With On/Off- power-switch Hot-swappable, plug- and play, no drivers- needed. LED light indicates power- and activity status-. Specifications: Supported interface: USB3.0 To Sata Applicable hard drive:2.5inch/3.5-inch Hard Drive Transmission speed: USB3.0 5Gbps Size:approx 134x115x72mm/5.27x4.53x2.83in Material:Aluminum Alloy+ABS Support system: Windows-/MacOS-/Linux- Plug-Type: EU-Power-plug Package Includes: 1PC Hard Drive Dock 1PC Power Supply 1PC USB3.0 Cable 1PC User Manual note: For the safety of your hard disk data, you'd better not to plug- or unplug- the hard disk when it is connected- to the power-source. The e-SATA interface is plug- and for play and supports hot swap. Please allow 0-1cm error due to the manual measurment and certain tolerances in the product, please understand.