Amazon.com: JXSZ Pci-Express 3.0 2X to Type-e USB3.1 Gen2 10Gbps+USB 2.0 Port Expansion Card : Electronics
PCI-E Card to 4 Port USB 3.0/2.0/1.1 Hub Fiber Optic Extender – Transwan
Does the PCIE 2.0 X16 graphics card work in a PCIE 3.0 x16 slot? - Quora
ACTIMED PCI-E X1 to SATA 3.0 Controller Card, 4-Port SATA III 6Gbps Expansion Cards, Supports PCI-Express (1X 4X 8X 16X) Slot, Support SSD and HDD, for Windows10/7/8/XP/Vista/linux - Yahoo Shopping
Can You Use a PCIe Express 3.0 Card In a 2.0 Slot? - ElectronicsHub USA
Amazon.com: NVME PCIe x16 Adapter, ELECTOP M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230/2242/2260/2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
StarTech.com 4 port PCI Express LP USB Adapter Card Add 4 USB 2.0 ports to your low profilesmall form factor computer through a PCI Express expansion slot pci express usb 2.0 card
Can this configuration work on the PCIE slots? : r/pcmasterrace
Can this configuration work on the PCIE slots? : r/pcmasterrace
NVME M.2 SSD M Key to PCI-e 3.0 x1 host controller expansion card, supports M2 NGFF PCI-e 3.0, 2.0 or 1.0, NVME or AHCI, M-Key, 2280, 2260, 2242, 2230 SSDs low profile bracket - Newegg.com
Combo USB 3.0 + SATA III 6Gbps PCI Express PCIe 2.0 x4 Slot Controller Card | eBay
U31X2-PCIE4XG321 | 4-port Type-C USB 3.2 to PCI Express x4 Gen 3 Host Card | Asmedia ASM3142
Amazon.com: Inateck 2 Port PCIe USB 3.0 Card with Internal USB 3.0 20-Pin Connector - Expand Another Two USB 3.0 Ports, Compatible Mac Pro, No Additional Power Connection Needed : Electronics
Buffalo Technology USB 3.0 2-Port PCI-Express Interface Board (IFC-PCIE2U3S2)Up to 5 Gbps Transfer SpeedsBackwards Compatible with USB 2.0Ex... IFC-PCIE2U3S2 - Corporate Armor