Feature:The box is made of metal shell, simple to install, the surface is painted. External support USB2.0 interface Internal support for 5.25 inch SATA interface of various types of hard drive, DVD, support for 3.5 inch SATA hard drive, support for DVD 16x speed recording Adopting the INIC1618 solution Specifications: Model: 525Q-SU Name: 5.25 inch SATA interface optical drive USB2.0 hard disk box Supporting equipment: 5.25 inch DVD, optical drive, all kinds of 3.5 inch SATA hard disk, support DVD16 speed recording (not contain hardware) Input interface: USB2.0 to USB Type-B Support capacity: 3T Installation method: screw 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/ OS 9.0 or higher Driver: Drive required under for windows98 Working environment: -40Celsius~70Celsius Storage temperature: -50Celsius~80Celsius Relative humidity: 5%-95% Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:black Material:aluminum alloy + plastic Size:250x163x51mm Package Contents: 1 * Hard Disk Case 1 * USB Cable 1 * Power Adapter 1 * Screw Package Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.