What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3

‎G15 5515 SSD Gen 4 support? can you put a gen 4 ssd in a gen 3 slot PCIe is a much faster interface than SATA for connecting a host computer to solid-state storage devices over one or more lanes can you make a living playing slot machines PCIe is a much faster interface than SATA for connecting a host computer to solid-state storage devices over one or more lanes

can nvme be used in m2 slot But ya You will be limited to speeds until you put it in a matching slot If devices didn't work in slots there would be a LOT