1. Material: The outer box is made of metal shell with upper and lower cover structure, easy to install, and the surface is painted. 2. Interface: External support for USB2.0/USB3.0 interfaces. 3. Support: Internal support for various types of optical drives with 5.25 inch SATA interface, DVDs, 3.5inch SATA hard disks, and DVD16 speed recording. 4. Function: LED indicator. Supported devices: 5.25 inch DVD, optical drive, various 3.5inch SATA hard disks, supporting DVD 16 speed recording (these hardware are not included in this product) Supported capacity: up to 8TB Power adapter output: 12V-3A Power adapter input: 100V-240VAC 50/60Hz 1.0A Maximum operating speed: 480Mbps Support system: for Windows98/ME/2000/XP/for OS 9.0 or higher Driver: for Windows 9/8 or below requires a driver Working environment: - 40 ℃-70 ℃ Storage temperature: - 50 ℃-80 ℃ Relative humidity: 5% - 95% Voltage:110V-220V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Color: As Shown Material: Aluminum Alloy Package Contents: 1 x CD-ROM box 1 x power cord 1 x power adapter 1 set x accessories