What is the maximum clearance on the 2nd shelf of an NB Series cart? NB Shelf Clearance

What is the maximum clearance on the 2nd shelf of an NB Series cart?

NB Series NB380, NB430, NB440: 20.25"

NB480: 18.5" NB Nucleus: 17.75"

NB Slim Series NB430 Slim: 20.25"

NB Nucleus Slim: 17.0"

 

Consider the space occupied by any of the following accessories: B107 Keyboard Tray: Subtract 2.75" B131 Slide-Out Printer Tray: Subtract 0.5" All Swivel Casters: Subtract 4.0" Mast Extension: Add 5.5"