PCIe x8 Gen3 Dual Port Cable Adapter - One Stop Systems
Amazon.com: StarTech.com PCI Express to PCI Adapter Card - PCIe to PCI Converter Adapter with Low Profile / Half-Height Bracket (PEX1PCI1) : Electronics
Amazon.com: Mini PCI-E PCI Express to PCI-E 1x Adapter with SIM Card Slot : Electronics
Quad NVMe PCIe Adapter, RIITOP 4 Ports M.2 NVMe SSD to PCI-e 4.0/3.0 x
Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included
Mini Pci-e To Usb Adapter With Sim Card Slot For Wwan Lte Module Mini Pcie Card To Usb 2.0 Desktop Pc Support Sim 6pin 8pin Card - Add On Cards & Controller