They didn't know :/contact Dell for the exact case dimensions.
they may even already have supported GPU upgrade dimensions listed in their product pages for these systems.
the dimensions for the GPU will definitely be included in it's manufacturer product description.
once you have both just compare.
No I'm purchasing the whole system. Can't find components to build my own.are you just purchasing one of these cases alone or an actual pre-built system?
if just the case, i would recommend against it.
they have terrible airflow and very crammed spaces for building in.
if you're purchasing new and planning on adding a 3rd party graphics card you will want to check up on the warranty specifics.I'm purchasing the whole system
none available in your area or just aren't sure what to look for(compatibility, performance options, etc...)?Can't find components to build my own