x4 PCI Express to M.2 PCIe SSD Adapter - Drive Adapters and Drive Converters | StarTech.com
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
U.2 NVMe SSD to PCIE 3.0 x4 SFF8639 NVMe PCIe Extension Data Cable 5cm - MODDIY