It comes with a smart versioning approach, checks the Δ based on the checksum and has a feature to visualize the lineage.
You can also use your existing object store and link it for very large / sensitive data.[2]
Disclaimer: I work at W&B.
[1]: https://docs.wandb.ai/guides/data-and-model-versioning/model... [2]: https://docs.wandb.ai/guides/artifacts/track-external-files#...