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PCIe TO USB 3.2 Gen1 Adapter, for Raspberry Pi Compute Module 4 IO Board, 4x HS USB - PiShop.us
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MSI Intros USB4 PCIe Expansion Card with 100W Power Delivery
4 Port PCIe USB 3.0 Card w/ 4 Channels - USB 3.0 Cards | StarTech.com
4 Port Usb 3.0 Pci-e Expansion Card Pci Express Pcie Usb 3.0 Hub Adapter 4-port Usb3.0 Controller Usb 3 0 Pci E Pcie Express 1x - Add On Cards & Controller Panels - AliExpress
StarTech 4-Port PCI Express Low-Profile High-Speed USB PEXUSB4DP
Amazon.com: PCIe to USB 3.2 Gen 2 Card with 20 Gbps Bandwidth 7 USB Ports (4 USB Type-A and 3 USB Type-C Ports), PCI Express (PCIe) Expansion Card USB Card for Desktop
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PCE-USB4 PCIe USB Expansion Card · Impulse Embedded Limited