Full Speed PCIE Gen3 to Sata 3.0 Expansion Card PCIE X1 Full Speed to 2 Port Sata Transfer Adapter Fast 6Gbps - Walmart.com
High-Speed PCIE X1 To M.2 SSD Adapter Card with PCIe 4.0 Support | eBay
What are PCIe x1 Slots Used For? | 8 PCIe Devices for x1 Slots - YouTube
PCI vs PCIe: What's the Difference and How to Distinguish Them? - MiniTool Partition Wizard
hardware - Force renegotiation of PCI Express link speed? x2 card reverts to x1 width - Server Fault
Amazon.com: GLOTRENDS PCIe 3.0 Riser Cable, Male 1X to Female X4, 23.6 Inch Length, for PCIe X1/X4 Host Adapter, Such as WiFi Card, M.2 PCIe Card, Firewire Card, USB PCIe Card, Sound
4.0 Full Speed M.2 NVME TO PCIE X1 Extension Cable M2 M KEY NVME SSD Motherboard Interface PCI-E4.0 Adapter Converter 16G/bps(R41UF 4.0)(20CM) - Newegg.com
GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) - Newegg.com