Does the expansion card work well with different Xbox models?

Yes, the expansion card is designed to work seamlessly with both the Xbox Series X and Xbox Series S.

Questions & Answers: Seagate Storage Expansion Card 2TB Solid State Drive - NVMe SSD for Xbox Series X|S, Quick Resume, Plug & Play, Licensed (STJR2000400)

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Seagate Storage Expansion Card 2TB Solid State Drive - NVMe SSD for Xbox Series X|S, Quick Resume, Plug & Play, Licensed (STJR2000400)

Built-in partnership with Xbox to seamlessly match the full power of both the Xbox Series X and Xbox Series S
Add up to 2TB of peak performance storage to your Xbox Series X or Xbox Series S without sacrificing performance
Compatible with the Xbox Velocity Architecture—providing faster load times, richer environments, and more immersive gameplay
Achieve the same performance of the Xbox Velocity Architecture when playing
games that have been optimized for Xbox Series X
Quick resume means gamers can switch between multiple titles in seconds—from either the internal SSD or the expansion card
Easily plug in and play, or remove the card and take your games with you