m.2 adapter card

I am having trouble where my NVMe M.2 SSD's which I was using in a Dell OEM M.2 PCIe x16 adapter. The adapter holds 4 NVMe M.2 Drives and were setup with bifurcation however were only pooled and not raided in a Dell system. Was working perfect however I wanted to put all of the drives in another...

Any PLX chip. or PEX chip M.2 nvme Adapter card not depedent on Motherboard BIOS pcie birufication? I am planning to build a new desktop PC for video editing rendering 3d architecture website designing development and streaming with CPU ryzen 7 2700x (zen2) or ryzen 5 3600 (3rd gen) with low...