A:AnswerYes…this is designed for the Series X/S. It will allow her to transfer games to the drive. Currently, this is the only solution that has the speed to play Native Series X/S games from external drive/Card. There will eventually be other options and larger storage sizes.
A:AnswerWith the the storage expansion card no you don’t have to transfer back and forth like the external hard drive your referring, the expansion card works just like internal storage, an every time you download a game you can choose if you it in internal or the expansion card. The expansion card is definitely worth getting I hated transferring games to the console just to play series s games