Mini PCIe to PCI Express 16X Riser for Laptop External Graphics Card - Walmart.com
PCI Express Gen1/2/3 Root FMC Module
Amazon.com: Fanblack 7 Ports PCI-E to USB 3.0 Expansion Card (4 USB A and 3 USB C Ports), Internal Converter PCI Express Expansion Card for Desktop PC, Works with Win/Linux/Hackintosh/Proxmox/MAC OS :
UGREEN PCI-E TO LAN GIGABIT + USB3.0 X3 CARD | eBay