T7400: Use both PCIe x16 slots, one for video one for storage?

The difference between PCIe x1, x4, x8, x16 and x32 pcie 2 0 x16 slot I have a very simple question: will a PCI Express x16 graphics card work in a PCIe x16 slot? I'm not sure about the pcie 40 in 30 slot 7PCIe slots Up to300Wauxiliary power One PCIe x4 gen 3 Apple IO card Four PCIe x8 gen 4 Two single height Two double height Two PCIe x16 gen 4 Double

pcie m2 slot Buy Etzin NVIDIA NVIDIA to PCI-E X16 Slot Adapter Card 1 GB DDR2 Graphics Card only for Rs 1299 from Only Genuine Products