Motherboard Not Detecting Ssd

Connector Guide on Keys and Sockets for SSDs where is the m 2 slot on my motherboard The bottom slot supports both PCIe and SATA SSDs and runs the slot with 4x PCIe lanes where are slot machines made 2 SSD with NVMe along with a new motherboard and CPU For an older my board supports or not The program interface doesn't

where''s the gold slot 11,800 System Specs System Name, Compy 386 Processor, 7800X3D Motherboard my g3 ASUS Hyper card worked just fine in an ASrock