Expansion Slots On the Motherboard

Card capacity and size Mac Pro has seven PCIe slots that accept many different types of PCIe cards: Slot 1: gen 4, up to x16

HP PCI Expansion Slot Kit Riser Card E1V16AA : : Computers & Accessories

expansion slot drawing expansion slot A connector in a computer into which an expansion card can be plugged The connector supplies power to the card and connects it to the data

expansion slot function 287-9577, RS PRO, RS PRO Expansion Slot Covers For Use With 9 & 25 Way D-Sub Connector, Brand RS Pro, Accessory Type Expansion Slot Covers, For Use With 9