An Xbox One can hold about 10 games.

You can have up to 100 games on a 1TB Xbox.

The Xbox One has a built-in hard drive that can store up to 500GB of data.

1TB can hold about 400 games.

4TB can hold around 400 games.

2 TB can store a lot of games! Depending on the file size of the game, it could be anywhere from 500 to 1000 games.

2TB can hold up to 40 games on the Xbox One.

The Xbox Series S can hold up to 12 games.

Yes, you can play Xbox games off an external hard drive. You will need to format the hard drive to be used with your Xbox, and then copy your game files over to the hard drive.