Can I install PCIe x8 expansion card in a PCIe x4 slot on a QNAP NAS

Can I install PCIe x8 expansion card in a PCIe x4 slot on a QNAP NAS pcie 8x slot On PCIe X1, X4 and X16 slots, the first 18 pins are all wired the same, so as long as the PCI-Express card fits in the PCI-Express slot, it pcie x 16 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

pcie x 16 slot 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 gpu 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) A PCIe or PCI express slot is the point of connection between your PC's “peripheral components” and the motherboard The term “PCIe card” and “