Features 1、2 USB3.0 Ports: The expansion card is equipped with 2 USB3.0 ports at the rear, and the data transmission is stable. 2、Closed High Power Inductor: The inductor adopts a closed high power inductor of 12MMx12MM, which has excellent performance and long service life. 3、Power Supply: Each port has independent anti burn protection, one to one power supply design, and each port has exclusive 2A power supply. 4、Easy Installation: No external power cord, easy to install, plug in the computer interface, install the driver, and you can use it. 5、High Quality Materials: Made of high quality PCB materials, the expansion card is sturdy, durable and not easily damaged. Specification Item Type: USB3.0 Expansion Card Material: PCB Model: SU-U3023 Number of Interfaces: 2 Applicable Slots: PCIEX1 X4 X8 X16 Current: Independent 2A for Each Interface Operating System: Support for XP, for Win7, for Win8, for Win8.1, for Win10 Transmission Rate: 5GB Package List 1 x USB3.0 Expansion Card 1 x Short Baffle 1 x CD Drive 1 x Screw Pack