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
ASRock > Z590 Pro4
What is the difference between PCIe Gen 3 and PCIe Gen 4? - Kingston Technology