[pjmlp]

Not really, back in the days of UNIX glory workstation days also as something to put on the desk,

https://blog.pizzabox.computer

https://en.wikipedia.org/wiki/Pizza-box_form_factor

[kortilla]

Not sure what you mean, but nobody I know of referred to the 4ft long servers as pizza boxes. Because the name sort of implied it was something small enough to throw on a desk and stack stuff on.