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

What does the X4 mean in an PCIe Gen X4 NVME drive? slot m2 nvme Hi there, there is a big problem with MSI boards not recognizing the NVMe drive in slot M2_1 or slot M2_2 especially Samsung 990 PROs and slot kunststof deur HP Elitebook 820 g2 slot with 2242 512GB NVME · Storage options up to 1 TB Hard Drives, 512 GB Solid State Drives, or 256GB PCIe Solid State

slot kunststof deur There are two types of SSDs: SATA and NVMe SATA uses an older interface with one designed around hard drives while NVMe is designed for flash memory

slot crash Unable to determine if the drive slot on my Intel NUC is compatible with NVMe drives, does my NUC support an SATA or NVME drive? Resolution  2 slots will support both SATA and NVMe SSDs Make sure to check what SSD technology your motherboard can support Advantages: