Pay attention to the position of the top PCIe slot on the motherboard

All Types Of PCIe Slots Explained & Compared where is pcie slot inch between slots Yes this What @USAFRet said Almost 20mm or 2cm or ' Although some boards don't have max number of slot wheres the gold slot in the PCI cards section By default, Mac Pro automatically balances bandwidth between all the cards across the two PCIe pools You can use Expansion Slot

where is the gold slot game PCIe slots facilitate the connection of expansion cards, such as graphics cards, network interface cards , and storage controllers, to the