ChipFlip
The disc drive costs you $95. That's the used-market situation right now: an Xbox Series X in Galaxy Black runs $755, while the All-Digital Robot White version asks $850. The cheaper console is the one with more hardware in it.
Why the disc-less model costs more
Scarcity, not capability. The All-Digital Series X shipped later and in smaller numbers, and the white colorway is the one collectors chase. Used pricing on consoles tracks how many exist far more closely than it tracks what they do.
That's worth internalizing if you flip hardware. Limited colorways and late-cycle revisions hold value in ways that have nothing to do with specs.
What you give up going digital
Physical games, obviously. But the knock-on effects matter more than the discs themselves. You lose access to the used-game market, where titles routinely sell for a fraction of storefront prices, and you lose the ability to resell anything you finish.
You also lose 4K Blu-ray playback, which is a real feature on the disc model and a genuinely good one if you own any physical films.
Where the Robot White version makes sense
If you already buy everything digitally and have for years, none of the above is a loss. You'd be paying $95 for a colorway you prefer and a slightly cleaner-looking box, which is a legitimate thing to want. It's just not a performance decision.
Storage is identical between them. Both run the same silicon at the same clocks.
Bottom line
Buy the Galaxy Black. It's $95 cheaper, plays discs, and performs identically. Only go All-Digital if you specifically want the white finish and have no interest in physical media, in which case you're buying aesthetics and should know that's what you're paying for.