Check out Apple’s support landing page for what PCIe cards work with the Mac Pro.Mac Pro: How to install PCIe cards, slots, specs, power, more If you’re looking into the various PCIe hardware that’s compatible with Apple’s new pro desktop and how to install it, we’ve got all the specifics below. Read along for details on how to install PCIe cards as well as specs like the power of the PCIe bus and what types of PCIe hardware you can use.Īpple has shared great detailed information on upgrading the new modular Mac Pro. The new Mac Pro has a modular design that makes it easy to upgrade or swap out components.