The Uber Box is the biggest box that exists and ever existed. Although there are an infinite amount of boxes, they are all contained and were contained in this box. It doesn't repeat itself. It contains every logic of logic of logic of logic of logic.... of logic. This article and and your mum is in The Box, while Uber Box contains even greater power. The deepest apex memory of the highest super brains is inside this box. Nothing can be outside of it, in fact mentioning a fact, you place it in The Box, so it should mean that Uber Box is inside The Box, but by doing that, The Box will contain more information than what Uber Box contains which doesn't make any sense. So Uber Box is bigger and it contains every box.
The Uber Box is the first box with an EUSI of $ \psi(\omega) $ consisting of only boxes.