PCIe 2.0 x4 to SuperSpeed+ USB 3.1 Generation II Type-C and Type A-Host Adapter 2 Port, Synchrotech
AMPCOM M.2 NVME SSD to PCIe 4.0 Adapter Card, 64Gbps SSD PCIe 4.0 X4 Expansion Card for Desktop PC , PCI E GEN4 Full Speed|Add On Cards| - AliExpress
PCIe 4.0 vs. PCIe 3.0 GPU Benchmark | TechSpot
StarTech.com 1 Port PCI Express 10GBase-T / NBASE-T Ethernet Network Card - 5-Speed Network Support: 10G/5G/2.5G/1G/100Mbps - PCIe 2.0 x4 - Add an Ethernet port to a server or workstation, with support