PCIe Gen 4 vs Gen 3 Slots, Speeds

pcie 8x slot   Dan pcie gpu slot

PCIe Slot Number, CPUPCIe Port, PCIe version, PCIe Slot Size, PCIe Lanes ; 2, DMI2, , x8, x4 ; 3, DMI2, , x4, x2

It means it's a physical x16 slot and will take any size PCIe card, but it's only wired to x8  For instance, you can place a PCIe x8 card into a PCIe x16 slot when the PCIe x8 slot has been occupied, but that card will always run in PCIe

maha168 slot HBA pcie x8 card on pcie x4 Looking at the block diagram it seems as though that pcie slot would be connected to the pch  Applicable Products: The NAS models compatible with QXG-10G2SF-CX4 Yes, the PCIe x8 expansion card (for example: QXG-10G2