Differences Between M2 Cards M2 Slots Keys Sizes and Types

Does any PCIe slot support NVMe SSD's automatically or do I need m 2 in pcie slot I had an Asus HYPER X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot I should change to x4x4x4x4 in my bios Another idea was to m24 slot 2 slot between the processor and graphics card sockets supports PCIe connections on the latest motherboards, but other slots are limited to PCIe

m2 sata vs nvme slot Most of cheap dual adapters provide one slot for PCIe, and one for SATA True dual PCIe cards have x8 connector, for example AOC