Does any PCIe slot support NVMe SSD's automatically or do I need

Chenyang U2 Sff-8639 Nvme PCIE SSD Cable for Mainboard SSD 750 P3600 P3700 Sff-8643 Mini SAS Hd Cable : : Computers & Accessories

slot has any pcie lanes or not and what gen they are my current mobo has a gen3 and 4 slot, so i use the fast drive for bootsoftware

m2_1 slot 2 slots at the same time On regular office and gaming PC motherboards, the slot closest to the CPU will most often be the one that has the highest

m2 slot pc This PC has an slot It seems like NVMe And PC has a PCI The processor does not matter