What does the X4 mean in an PCIe Gen X4 NVME drive?

What does the X4 mean in an PCIe Gen X4 NVME drive? nvme in pcie slot Everything is working fine So my question: If i will buy two and plug it into mobo with nvme drives nvme slot types cards with a B Key interface can only fit into a B Key host slot, and likewise for M Key But cards with a B+M Key design can fit in either

nvme slot types This is why they are also referred to as NVMe SSDs To be able to boot from an SSD, the computer requires an NVMe driver in the BIOS This

nvme m2 slot motherboard There is no functional difference as they both work over the PCIE bus and use the NVME protocol The SATA port disabling is simply because SATA And of course, an x16 bandwidth requires a card slotted for an x16 mechanical slot However, it's important to remember that the raw numbers don