lane sharing

Im building a budget headless server-like machine. I currently have my eyes on an AMD Ryzen 5 3600 (Matisse) CPU. And this motherboard: ASRock B550M-HDV, which has 1x Hyper M.2 (Gen4x4) socket and 1x PCI-E 4 x16 slot. Currently I only want to get a 2 TB nvme, but I might want to add more...

Kind of overwhelmed trying to figure out and understand PCI lanes. Easy to find CPU + mobo chipset lanes, but I don't get how they're taken up, shared, etc. Is there really no way to just get a report from software? Can't CPU-Z or HWinfo or something else tell me how many lanes in use? Does...

Hi guys, I did quite a serious research on motherboards and principles of their work. However, a few points are either left unclear or I just wanted to double-check them with you. Will highly appreciate your comments: Is it right, that PCIe 4.0 is not the same as PCIe x4. So 4.0 means the...