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Amazon.com: PCI-E 1x Express to Type C USB 3.1 USB-C & USB 3.0 Dual Port Add on Expansion Card Adapter for PC Computer-GOLDEN BLUE : Electronics
Allegro Pro USB-C 8-Port PCIe Card – SONNETTECH
Insignia™ 2-Port USB 3.0 PCI Express Interface Card Silver NS-PCCUP53 - Best Buy
StarTech.com 2-Port USB PCIe Card 10Gbps/port - USB 3.1 Gen 2 Type-A PCI Express 3.0 Host Controller - PEXUSB312A3 - Storage Mounts & Enclosures - CDW.com
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PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps,External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP - Newegg.com
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4-Port USB PCIe Card 3.2 Gen 2 - 2 Chips - USB 3.0 Cards | Add-on Cards & Peripherals | StarTech.com
2 Port PCIe x1 USB 3.0 Expansion Card SFF – VisionTek.com
PCI-Express to SuperSpeed USB 3.0 External 4-port - Cablematic