Install PCIe cards in your Mac Pro

Convert a single PCI Express slot to four additional external PCI slots without any driver or software installation required · External expansion enclosure

Picture shown identifies the PCIPCIe slot position on a 6-slots ATX server board From left-hand side are PCIX-64 slot-1, PCIX-64 slot-2, PCI-32 slot-3,

pcie nvme slot PCIe x1 slots have only one PCIe lane Despite having only one PCIe lane, PCIe x1 slots are useful for various lower-power PCIe peripheral cards

pcie 50 slot The smallest of the PCI Express slots, your standard PCI Express x1 slot is essentially your starting point for most expansion cards, especially port expansions