pcie x16 slot link speed: What Should to Do With Extra PCIe Slots?. Single Board Computers LGA 3647-P0 Intel Xeon Scalable .... Grundlagen PCI-Express - amdAREA51.
PCIe x4: These have four PCIe lanes, and they also can fit into a x16
slot. Often used for single M.2 NVMe SSD expansion cards, they are also used for SATA 3 expansion cards and high-speed network adapters.
... PCIe 3.0/2.0 x16 (x16 kép) * 2 ,1 x PCIe 3.0/2.0 x16 (hai x8) * 2 ,4 x PCIe 3.0/2.0 x16 (hai x16 hoặc bốn x8) * 2 、khe cắm mở rộng:2 x PCIe 3.0/2.0 x16 ...
For reference, maximum speed and bandwidth implies that one is dealing with a x16 slot, the largest and fastest
PCIe slot available.