The circuit board at the right most of the picture is a 4 port hub. The top most port is hardwired to the keyboard, but the other 3 are available.

Here's a Picture showing the unit closed. The USB ports and swing out stand are visible.

The red switch is the power switch.

For a N800, it would have to slide in from the left instead of the top, but the stand is in the way of the USB port. Either the stand would have to be removed, or at least partially open. Can the stand be easily and non destructively taken off of a N800?

Edited: Changed image link.