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Explaining the Mac Studio’s removable SSDs, and why you can’t just swap them out

You'll see the Mac Studio's blinking orange SOS light if you try to change its SSD modules. Here's why.

Enlarge / You’ll see the Mac Studio’s blinking orange SOS light if you try to change its SSD modules. Here’s why. (credit: Luke Miani )

Apple’s new Mac Studio desktop began arriving in customers’ hands last week, and some of those customers wasted no time in taking the machine apart. Among the more interesting discoveries was the sheer size of the M1 Ultra and its voltage regulator modules (VRMs); in addition, it seems that the Studio includes removable storage rather than the particular soldered-down NAND chips that most Macs use. In theory, this could make the Mac Studio typically the first new Mac (outside of the Mac Pro) to support upgradeable storage in quite a while.

Because the Studio’s SSD slots aren’t compatible with regular M. 2 SSD sticks that you might use in a PC, YouTuber Luke Miani decided to test the Studio’s removable storage by swapping storage from one Studio into another. He found that, while the drives are physically swappable, his Mac Studio room wouldn’t boot after the fact—the desktop’s power LED would only flash an amber-colored “SOS” pattern. This persisted both when he tried to install the second SOLID STATE DRIVE module in the Studio’s second storage space slot and when he tried in order to install an SSD from 1 Studio into the other Studio’s main SSD slot.

“What Apple is doing here with the Mac Facilities is simply inexcusable, ” Miani concluded . “Apple does not care about your right to be able to repair, make no mistake. What we’ve seen here today is that Apple is intentionally, deliberately restricting your access to your own device. In my opinion, this is actually worse than soldering the storage onto a logic board. ”

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