Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
4 Bay M.2 NVMe RAID Adapter Soft RAID Function - GLOTRENDS
PCI Express NVME M.2 PCIe RAID Card to PCIe 4.0 X16 M.2 Adapter M Key 4 SSDs | eBay
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
I Built A PCIe 4.0 RAID Array - And It's STUPID FAST - YouTube