Yep just ordered a 320RS and it is 102" wide. Can't get to the fridge with both rear slides in but can if you open just the passenger side slide. You can get to the bathroom easy with all slides in and you could sleep in the bed room with that slide in if you had to.
2015 F-350 Platinum 6.7 PowerStroke
2017 Columbus 320RS
Andersen Ultimate Aluminum hitch
18,900 miles of RV'ing since May 2014