StarTech.com PEXUSB312A3 2-Port USB PCIe Card with 10Gbps/port - USB 3.1/3.2 Gen 2
Amazon.com: StarTech.com 2 Port USB 3.1 (10Gbps) Card - USB-A 1x External 1x Internal - PCIe USB 3.1 Card with Type-A - PCI Express (PEXUSB311EI) : Electronics
USB 3.1 PCIE Raiser Card Dual USB 3.1 Gen 2 Type-C Ports PCI-E PCI Express X4 10Gbps Add On Card AS1142 Chip - AliExpress
USB 3.1 USB Type C MAC PRO PCIe Card - Plug and Play!! Supports 3,1 4,1 5,1 | eBay
Tamppkon Dual Port USB-C Card 2X USB-C USB 3.1 PCIe Card with SATA USB 3.1 Expansion Card PCI Express USB C Card - Newegg.com
Amazon.com: PCIE to USB 3.1 GEN2 10Gbps Card for Windows 7, 8.1, 10, 11 (32/64) and MAC OS 10.9,10.10,10.12,10.13,10.14,10.15 PCs, Built in Smart Power Control Technology, 1X USB-C and 1XUSB-A (PCE-U31AC) : Electronics