This product is either discontinued or we cannot get that from suppliers.
Vantec UGT-PC371AC, 2x USB Ports, 2, USB 3.1 Type A and C ports, PCI-Express x4, Compatibility PC, Wireless USB, SuperSpeed USB 3.0, USB 2.0, USB 3.1.
Vantec 2 Port Usb 3.1 Gen Ii Type A/c Pcie Host Card (UGT-PC371AC).