X570 M2_1 or M2_2 slot

M2_1 slot supports 2242 2260 2280 22110 storage devices- M2_2 slot supports 2242 2260 2280 storage devices- Intel Optane Memory Ready for all slots

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

mpo slot 303 One PHISON 256GB came with the pc and is in slot M2_2 next to the RAM I added a WVD SN570 NVMe SSD in slot M2_1 but it was not recognised in

euro slot online 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