Modders can install full fat 2280 size M.2 SSD inside the ROG Ally by modifying some parts of the Ally's clamshell.

You can replace the SSD inside the ROG Ally X in just a few minutes, and in this guide, we'll show you how we did it.

Sabrent Rocket M.2 SSD If you need to expand the internal storage of your Steam Deck or Asus ROG Ally, the Sabrent Rocket M.2 SSD is likely your fastest yet most affordable option.