Explaining the Difference Between SSD NVMe and M2

Can you connect an SATA to an NVMe port? nvme vs m 2 slot 2 SATA Port can only support an SSD That is why the speed can never go beyond 600 MBs Both physically and electrically, any PCIe NVMe nvme vs m2 slot difference I want to add SSD drive in my notebook I find M2 slot marked as M2X3 What type M2 SSD can I use?

nvme m2 slot laptop The seek time for data is ten times faster NVMe can deliver a sustained read-write speed of 2000MB per second, way faster than the SATA SSD III