MAIWO M.2 expansion card KT058A NVMe SSD to PCIe 3.0 X16/X8/X4 adapter M Key Converter Card Support 2230 2242 2260 2280,Compatible with Windows 7/8/10 & Linux ,BTC accessories - Newegg.com
The difference between PCIe x1, x4, x8, x16 - DuroPC Industrial Computers
PCIe x8 to x16 Extension Cable
P27F Series (x16/x8/x4/x1) Flexible x16 PCI Express Extender