What is the actual speed of a PCI-Express x1 (PCI-E 3.0) slot? - Quora
What are the top uses of PCIe x1 Slots? – Premio Inc
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) Add-On Cards - Newegg.com
expansion card riser card Converter PCIe 2.0 x1 to 2-port SATA3.0 Adapter for PC | eBay
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) : Electronics - Amazon.com
Select the Right PC for Your PCI Express Hardware - NI