PCIe to SuperSpeed USB 3.0 card with 2 external ports and 1 internal 19-pin - Cablematic
Amazon.com: PCI-E X1 to 2 Ports 19 Pin USB 3.0 Header PCI Express to Dual 20 Pin USB 3.0 Card : Electronics
Amazon.com: Syba 4 Port USB 3.0 and 2 Port SATA III PCIe 2.0 X 1 Card VLI/ASMedia Chipset Components Other SD-PEX50064 : Electronics
StarTech.com 2 port PCI Express SuperSpeed USB 3.0 Card with UASP Support - 5Gbps - 1 Internal 1 External - Add one internal and one external SuperSpeed USB 3.0 to your PC -
2 Port PCIe x1 USB 3.0 Expansion Card SFF – VisionTek.com
2 Port PCIe USB 3.0 Card w/ UASP - 5Gbps - USB 3.0 Cards | Add-on Cards & Peripherals | StarTech.com
2 Port PCIe USB 3.0 Card Adapter w/ UASP - USB 3.0 Cards | StarTech.com Europe
StarTech.com PEXUSB3S2EI 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power - Newegg.com
4 Port PCI Express PCIe USB 3.0 Card - USB 3.0 Cards | Add-on Cards & Peripherals | StarTech.com