PCIe cards you can install in your Mac Pro (2023)

Learn about some of the PCIe cards you can install in your Mac Pro.

The Mac Pro introduced in 2023 has seven PCIe slots:

• Two double-wide full length x16 gen4 slots

• Two double-wide full length x8 gen4 slots

• Two single-wide full length x8 gen4 slots

• One single-wide half length x4 gen3 slot preconfigured with the Apple I/O card

Learn how to install PCI cards in your Mac Pro (2023)

Apple I/O card

Mac Pro comes preinstalled with the Apple I/O card in slot 7, which has a 3.5mm headphone jack with support for high-impedence headphones, two HDMI ports, and two USB-A ports. The Apple I/O card can't be installed in another slot, but it can be removed to allow for installation of another half-length, x4 PCIe card instead.

Graphics cards

Mac Pro is powered by the M2 Ultra chip which features a GPU configurable with up to 76 cores. The GPU is integrated into the M2 Ultra chip and doesn't support additional graphics processors such as PCIe graphics cards or MPX modules. You can configure the number of GPU cores in your Mac Pro when you purchase it.

Afterburner

Mac Pro includes a Media Engine built into the M2 Ultra Chip. The Media Engine enables hardware-accelerated H.264, HEVC, ProRes, and ProRes Raw processing and has superior performance to Afterburner.

Other third-party PCIe cards

You can install many different PCIe cards in your Mac Pro, such as fibre channel cards, fiber networking cards, video and audio I/O cards, storage cards, and ethernet cards. After you install a PCIe card, check with the card's manufacturer to see if you need to install a driver in macOS to enable full functionality of your card.

PCI cards that use 32-bit Option ROMs aren't compatible with your Mac Pro.

Auxiliary power

The PCIe slots on your Mac Pro each provide up to 75W of power. Mac Pro also provides up to 300W of AUX power through two 6-pin (75W each) and one 8-pin (150W) connectors. If your PCIe card requires additional power, use the Belkin Aux Power Cable.