There is a coexistence, a balance that is established over time between what is convenient (easy access to certain controllers for example) and what is necessary (the constraints of dimensions, power consumption, etc.) I use several racks and the question then becomes the placement of the racks :)) I could one day be tempted by the beautiful creations of CaseFromLake: https://www.casefromlake.com
'On ne devrait jamais quitter Montauban' (Fernand Naudin).