Server

A server is a program or application that provides services to other applications called clients.
Computers that have such services (servers) installed are also referred to as servers.
These are optimized in terms of hardware to function as servers.
For servers used to run server applications that serve a relatively small number of clients, computers made up of a single board, SBC (single board computer), can be successfully used.
Having previous experience (2013-2019) with the SBC Odroid U2 from the South Korean company hardkernel.com,

from the following image we can get an idea about the size.

I thought I would do an update to the new Odroid N2 ,

which has the following technical specifications,

and the block diagram