What Are PCIe and ?

Nvidia A2000 in SFF - Precision 3450 PCIe x4 slot pcie 4 gpu in pcie 3 slot It should work on your mobo regardless A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe pcie 4 ssd in pcie 3 slot From a numbers standpoint, it depends on the speed of your gen4 drive; but if your drive is capable of higher transfer speeds than gen3

pcie 30 x1 slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead