Sienoc Pci-e to External 3 Ports USB 3.0 Hub + Rj45 Gigabit Ethernet Network Card Usb3.0 , 1000m LAN Card Combo PCI Express Card This item is 3 Port USB 3.0 + Gigabit Ethernet Combo PCI-E card, it allows connecting more devices to your computer. This card also includes Gigabit Lan chipset with data transfer up to 1Gbit/s. It support a variety of network operating system that provides PCI card higher than the previous-year performance, lower CPU utilization, better compatibility .