Which slot should I use on an X570 gaming edge motherboard?

The issue is that the new drive, which is a Gen4 LEXAR 1TB NM790, isn't working at all in the lower slot M2_1 connector for compatibility with

Slot de Aço ASRock Gen4 ASRock Full Coverage Heatsink ASRock Hyper 1 x Hyper Socket , PCIe M Key type module support support 2230

nusabet88 slot I was looking on amazon at the MSI Z490-A PRO, and saw in the questionanswer section: Question:The m2_1 slot is only available on 11th gen intel cpus

almighty reels realm of poseidon slot 2 slots will support an NVMe drive The M2_1 slot is of course the best, since it's direct to CPU