I want to know how to find a laptop that has a particular Intel socket.
I'm looking for a laptop where a at least 8 pithy Intel Xeon fits in perfectly. Only hard to find.
That's complete nonsense.
The Xeon is designed for data centers, did not know that you want to make your laptop a DAta center (sarcasm end).
You just can't find anything that does not exist.
To my knowledge, not to find. There are various notebooks with a desktop socket in there, where you then You can pack a Ryzen 7 2700 or an i7-8700K on it. But I do not know where a HEDT socket is inside, that would be pretty feeble-minded.
Laptops have i.d.R. Always a BGA socket, so are soldered. You can't change the CPU.