I want to understand how PCIe lanes are shared on my motherboard

m 2 slot with pcie x4 lanes   Dan m2 slot screw

This allows for devices from 2242 to 22110 in both SATA and PCIe mode, with the latter supporting PCIe x4 drives in AHCI or NVMe modes

If you connect a NVME SSD to a PCIe x4 slot it will have a higher maximum bandwith than if you connect it to a 1x or 2x slot So logically it However, there's only x2 and x4 lanes accessible when using a form factor with the PCIe bus which translates to a maximum transfer speed of up to 4GBs Is

slot gampang maxwin cuan jp If you're looking to add a PCI ExpressNVMe drive to a desktop with an older motherboard that lacks slots, one option is an drive on a carrier card  If you connect a NVME SSD to a PCIe x4 slot it will have a higher maximum bandwith than if you connect it to a 1x or 2x slot So logically it