PCIe slots and PCIe adapters ThinkSystem SR650V2

PCIe compatibility and performance generates a LOT of confusion In Explaining PCIe Slots

PCIe is backwards compatible so you can use a PCIe Gen 2 or 3 in a PCIe Gen 1 or whatever combination with little issue The biggest problem you

pcie slot for 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)

pcie slot width Unless you transport the PC, the card is not suddenly gonna wiggle itself loose Just make sure it's properly in the slot and then screw it down