Learn how to remove the housing or top cover of your Mac Pro and install a PCIe card. Learn how to connect two Radeon Pro Vega II MPX Modules. If you install two Radeon Pro Vega II MPX Modules, you can connect them together using Infinity Fabric Link. You can use Expansion Slot Utility to make manual adjustments to pool allocations. To check the status of each slot, choose Apple menu > About This Mac, then click the PCI Cards tab.īy default, Mac Pro automatically balances bandwidth between all of the cards across the two PCIe pools. Use Expansion Slot Utility Check available slots