HBA pcie x8 card on pcie x4

HBA pcie x8 card on pcie x4 pcie 8x slot Now, I read somewhere that if you use the top slot, you're giving up 8 PCI lanes shared with the top PCI-E slot So my 4080 would be running pcie slot function Solved: Hey everyone, For some reason my graphics card is only using x8 of my avaliable x16 lanes in my PCI-E slot

pcie slot function 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)

pcie x4 in x16 slot Therefore, some PCIe x16 slots might only have x8 PCIe lanes Usually, this wouldn't be problematic, even if you want to attach a GPU card to it For example, a slot might be described as x16 physical, x8 electrical The physical size literally determines the size of the slot on the motherboard You can