Features:Built-in multiple protection functions such as overvoltage, short circuit, overheating, and overcurrent.Support size: 3.5 inches SATA serial port, the maximum thickness does not exceed 9.5 mmThe shiny aluminum alloy enclosure is designed for good heat dissipation, fine workmanship, compact appearance, fashionable and practical.Transmission Interface: External USB3.0 backward compatible with 2.0 Internal: SATA1 and SATA2,SATA3.Ultra-fast transfer speed: up to 5Gpbs transmission speed.Type C transmission interface you can plug it in,both positive and negative can be blind inserted. Package Includes:Type A /B OptionalType A1 x HDD Enclosure (USB3.0 Port)1 x Type C to USB Cable1 x Product Use ManualType B 1 x HDD Enclosure (Type C Port)1x Type C to Type C Cable1x Product Use Manual Specifications:Material: Alumminum AlloySupport System: Windows/Mac OS/LinuxExternal Interface: Type C/USB-BSuitable for desktop 3.5 inch HDD with SATA portColour: SilverCapacity:8TB(max)Speed: 5GbpsSize: approx 188x115mm/7.4x4.52in note:Only the above package content, other products are not included.Light shooting 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.