At this point it’s a well known secret that Apple has real rack mount servers for their internal processes. They actually have officially released video of their servers in the WSJ report on their chip supply chain.
https://forums.macrumors.com/threads/photos-of-apples-own-ne...
it’s a well known secret that Apple has real rack mount servers for their internal processes
Only if by "secret" you mean "announced in multiple press releases and a public event with federal, state, and local officials at its new sever factory in Houston."
https://www.apple.com/newsroom/2026/08/apple-opens-advanced-...