Does any PCIe slot support NVMe SSD's automatically or do I need

By specification, all PCIe cards are backwards compatible with the lowest bandwidth x1 lane slots If the x1 slot is designed with an open end,

No, the NVMe SSD can fit into the SATA SSD slot but it doesn't work The reason is NVMe SSD using PCIe interface SATA and PCIe are

pcie x32 slot On the contrary, the L-series among others can only support cards using the PCIe standard in the WWAN slot Some notebooks (notably the Asus Eee PC, the

pcie 3 slot Portable SSD · Memorys · DDR5 series · DDR4 series · Industrial Motherboards 1 PCIe x16 slot; 4 SATA3, 2 x ; Graphics Output Options