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

pcie 2 0 x16 slot   Dan pcie 2 slot

but since im using the first pci-express x16 slot with graphic card i can only use the second slot and second pci-express x16 slot conforms

PCIe generation on the website or specification sheet Method 2: Manual identification Check the user guide or technical manual that was provided with the  5GTs or 500MBs 8GTs or 1GBs 16GTs or 2GBs The Notice that the PCIe x16 slot has a retention lever

blazing bells slot In the case of PCIe x8, the x8 specification indicates that the slot has eight lanes available for data transfer Each lane in PCIe and refers the versions of PCI Express slot, with the bandwidth and speed is twice the speed of , so far the x16 PCI Express slot