VisionTek 4 Port USB 3.0 x1 PCIe Internal Card - PCI Express 2.0 x1 - Plug-in Card - 4 USB Port(s) - 4 USB 3.0 Port(s) - PC

Offers additional 4 USB ports to the existing USB systems USB Adapter has a non-volatile memory which is beneficial for your PC firewall needs PCI Express 2.0 x1 host interface ensures dependable data transfer for maximum efficiency