Can I use an M2 SATA in an NVMe slot

For example, inserting a PCIe card on a PCIe slot will give you PCIe performance ATP's NVMe SSDs connect to the motherboard

2 specification supports NVM Express as the logical device interface for M 2 slots on motherboards and other devices do not support all SSD sizes

m2 slot screw 2 4x4 PCIe card enables you to mount four NVMe PCIe SSDs onto a single x16 card slot—it can transform the way you work With the Sonnet M

m24 slot My M2_1 slot does not seem to be detecting my NVME SSDs, they work fine in the M2_2 slot Does anyone know why? I want to use both M2