Can I put an NVMe ssd in the SATA 3 slot?

What Is an Slot and What Devices Use the Slot? nvme m 2 slot In this video I discuss the difference between an SSD and a NVME PCI-Ex4 SSD From how nvme gen 4 in gen 3 slot What slot is the Samsung device? If it's M key then it's not compatible with your device Most slots are not compatible

nvme pcie slot NVMe SSD 50% slower on socket 1