ITEM NAME:External 2Port USB3.0 + Internal 19pin Header PCIe Card 4pin IDE Power Conn #gib Store Home Promotion Hot Item Add to Fav.Type: 2 External USB3.0 Port + Interal 19Pin Header Expansion Card. USB Interface: 2 External USB3.0 Port + 19Pin Header(2 Internal USB3.0 Port). Power Interface: Big 4Pin Power Interface for USB3.0, Need connect the power, can normal use!