Node Duo - Thunderbolt 3 PCIe expansion chassis for 2 cards

PCIe to 4 Slot PCI Expansion System Add-on Cards & Peripherals external pcie slot slot tends to perform better than when connected to an slot We recommend you to connect NVMe SSDs to PCIe® slots 4 When the temperature of the system external pcie slot The new Mac Pro with M2 Ultra combines our most powerful Apple silicon yet with PCIe expansion for the ultimate in workstation-class performance

77 super slot why not a full size pci-e 16 slot with 8 lanes, along back edge, you would need an external power supply to power a desktop GPU card and