5 Things to Know About the 2012 MacBook Pro's Hidden SSD Slot

The optical drive bay is a second SATA slot You can remove the DVD drive and install a 2.5-inch SSD using an optibay adapter, giving the 2012 MacBook Pro two internal drives.

It’s one of the last upgradeable Macs Apple designed this model with a user-accessible optical drive, making it easy to swap in a second drive without soldering or proprietary parts.

You need a standard 2.5-inch SATA SSD Any 2.5-inch SATA SSD works in the optibay, just like the main drive bay. No special adapters beyond the optibay bracket are required.

The optical drive is completely removable Pull the DVD drive out entirely—it’s not needed for the system to boot or function. The optibay replaces it physically and electrically.

Performance is identical to the main bay The SATA III interface in the optical bay runs at full speed, so the second SSD performs as fast as the primary drive.