M.2 vs. NVMe: What is the difference when it comes to SSDs?

nvm slotHi Guys, recently I installed a SKHynix 256Gb in the second slot of my Motherboard which is NVME Gen 3 PCIe Gen 3.0Teknologi NVMe memungkinkan SSD terhubung langsung ke CPU pada bus PCIe untuk mentransfer data melalui jalur (lane) berkecepatan tinggi. Satu jalur PCIe generasi ke-4