macpro.io SSD adapter installed in a Mac Pro (2019)

Mac Pro (2019) SSD Adapter (V1) Installation Guide

For the newer version (V2) of this bracket, instructions are here

Step 1

Screw the main bracket to your primary SSD

Main bracket attached to primary SSD

Step 2

If installing a second drive, install two small brackets onto the top side of the primary drive, crossing over the main bracket

attach two small brackets

Step 3

Attach your secondary drive to the small brackets, facing the same direction as the primary drive

Step 4

Attach the other two small brackets across the bottom edges of both drives

Step 5

Assembly is complete. Now onto installation!

Unplug all cables from your Mac and remove the cover, following Apple’s instructions

Step 6

Connect the power and data cable(s) to the motherboard connectors located above the PCIe slots

Step 7

Using a torx T8H driver, remove the small aluminium bracket from the Mac’s frame

Step 8

Sandwich the adapter into the slot using the original bracket — being careful not to overtighten

Step 9

Connect power and data cables

Complete!

Close up the case, reconnect all your cables and power on — if required, fire up Disk Utility to get things working