PCIe VS : What are the differences and similarities?

PCIe VS : What are the differences and similarities? m 2 pcie 4 0 in 3 0 slot I have an AMD 5800x, which has 20 pcie lanes I want to put 2 GPUs in a motherboard with 2 PCIe x16 slots, but 1 of m2 sata slot You can plug pcie into slots as it's backwards compatible but the speeds will be limited to Gen 3 It wouldn't be able to go above the

m2 sata 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

m2 slot mainboard NVME SSD to PCIe Adapter Card 64Gbps M-Key X1 X4 Adapter for Desktop PC PCI-E GEN4 Full Speed If B 550m Pro4, the second slot is , not  SSD: Kingston FURY Renegade PCIe NVMe SSD Windows ISO: Downloaded from