Grab an Xbox Series X|S Storage Expansion Card while you can

[Windows Central]

There's a solid chance you'll be wanting one of these, and availability is already starting to get pushed back.
One of the exciting things about the new Xbox Series X and Xbox Series S is the added wow to not only new games, but some of your existing favorites. Titles like Borderlands 3, Forza Horizon 4 and DiRT 5 are Xbox Series X|S enhanced on day one, but those upgrades come at a price.
Storage.

Full story from the WindowsCentral blog...