Another perspective, its about 6.5 football (soccer) pitches and will apparently double to 13! If they fill the the entire building with rows of cabinets space

Another perspective, its about 6.5 football (soccer) pitches and will apparently double to 13! If they fill the the entire building with rows of cabinets spaced by 2m they would have 23.2km of cabinets, about 46400. Enough space for 1.85 million 1u servers... but I am just getting carried away now.