PCIe x4 clarification

if the slot is open like that, you should be good to go if it's not open, you could a) use another riser to adapt the x8 to x16, or b)

PCI Express Riser Card x8 to x16 Left Slot Adapter for 1U Servers

pcie 40 in pcie 30 slot You can put anything smaller than the slot in just fine It's the PCI-e bracket screw that really holds things into place I'd get the newest

pcie training error slot 1 PCIe x8: An x8 slot has eight data lanes, offering even more bandwidth These slots are typically used for high-performance expansion cards that require