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

PCIe slots use NVMe, which is a communication protocol that leverages the increased bandwidth to support faster NVMe SSDs, which isn't present in SATA M

slot supports PCIe NVMe or M Key with NVMe This SSD is not compatible with Mac Product information Read Speed, ‎3500 Megabytes Per Second Write Speed

slot machine chances of winning Or all three ports will perform the same with a standard 2280 drive?? Planning on a 2 TB Samsung NVMe 980 Pro as my boot drive Link to

slot gacor jam 1 malam Can I use an M2 SATA in an NVMe slot A slot that can do SATA will have the M key andor B