StarTech.com PCI to PCI Express Adapter Card Model PCI1PEX1 - Newegg.com
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 to PCI Express16x Extender Riser Adapter, SATA Power Cord Converter for Video Card Mining Adopt 4 Solid-State Capacitors, 6pin Interface on The Graphics Card etc. : Electronics
2 Port PCI USB 3.0 Card w/ SATA Power - USB 3.0 Cards | StarTech.com
StarTech.com PCI Express to PCI Adapter Card Model PEX1PCI1 - Newegg.com
AliExpress
Amazon.com: StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA/SP4 Power - Quad Port PCI USB 3 Controller Card (PCIUSB3S4),Red : Everything Else
32Bit PCI to 8Bit ISA Adapter Card PCI to ISA Development Board | eBay