Mac Pro Support

Install parts in your Mac Pro

Learn about the many different parts you can replace and upgrade.

Install memory

You can use the 12 DIMM slots to install up to 1.5TB of memory in your Mac Pro, in configurations of 4, 6, 8, or 12 DIMMs. Learn about supported configurations and how to install and replace memory.

Install PCIe cards

Mac Pro has 8 PCIe slots that you can use to install many types of PCIe cards and up to two Mac Pro Expansion (MPX) modules. Learn how to install an MPX module that contains a graphics processing unit (GPU).

Do more with your Mac Pro

Use multiple displays

You can connect up to 12 displays to your Mac Pro.

About the T2 Security Chip

The data on your Mac Pro (2019) is encrypted by the T2 Security Chip.

About the memory in your Mac Pro

Learn about the type of memory (RAM) you can use in your Mac Pro.

About PCIe cards and MPX modules

Mac Pro has 8 slots that support many different sizes and types of PCIe cards.


Mac Pro Essentials

Learn about features and discover all that your Mac Pro can do.

Tech Specs

Find the technical specifications for your Mac Pro’s specific model.

macOS User Guide

Learn about features and discover all that macOS can do.

It’s no problem with AppleCare+

Get unlimited repairs for accidental damage protection, priority access to Apple experts, and more.

Apple Communities

Find answers, ask questions, and connect with other Apple users.

Get Support

We can help you find the best support options.

Support app

Get personalized access to solutions for your Apple products.