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: JXSZ PCI-Express PCIe x1 to Dual PCI Slots Adapter pci Express to 2xpci Card with USB 3.0 Cable : Electronics
Amazon.com: 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 :
Pc Pci-e 1x To Half/full Mini Pci-e Board Usb Adapter Pci Express Adapter Card Board With 4 Pin Power Cable - Add On Cards & Controller Panels - AliExpress
PCI-Express to PCI card adapter for PC - Cablematic