Simple disassembly machine, you can expand 5 usb3.0 interface at the same time, the interface doubled, high-speed , and then more peripherals are easy to play, open up a of chassis.Keyboard, mouse, printer, cooling fan, disk array and many other external devices, can also be played, USB3.0 standard match each other, the speed does not .The mainboard is directly connected, fast and stable.The choice of safe and stable solid capacitors, lower ESR, conductivity, no sudden heat, .Dual chip dual inductor filtering and current stabilization, double insurance, internal and external, double care, making the current and safe input interface.Input interface: PCI-E interfaceOutput interface: USB3.0 Type-A interface x 5 20PIN slot x 1Product Power Supply : Chassis power supply (4Pin connector)System support: /7/8/10 & LinuxColor: BlackMaterial: PCBPackage Contents:1 x expansion card1 cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.