You didn't ask me, but I'm here so...
My gut tells me there will be multiple price/performance offerings for whatever is next from Xbox. An entry level digital only/streaming device at a low price, a mid-range with better guts and an optical drive, and a high end performance model at a premium price.
That would be a bold move, but something that would not surprise me. Giving consumers options in this day and age makes sense. Perhaps 5-10 years ago it would not work, but we live in a time where most people know that there are many electronics that offer the basic same system, but some have more power, memory, storage etc. MS making a mid-range next gen system and also a high end system could work. In short, the mid-range one could simply be the "X" with a Ryzen CPU, about 4 more gigs of ram and a 2tb internal HDD with the high end system being substantially much higher spec wise. The majority of games now are made to scale from the PC to X to base consoles, so development would not be an issue. You design the game for the high end and then turn things down to medium/low as needed for it to run on the lower end machine.