The present application discloses a server system. The system includes a chassis, a motherboard installed within the chassis, and a daughterboard installed within the chassis. The motherboard includes one or more central processing unit sockets and one or more memory chip sockets. The daughterboard is communicatively connected to the motherboard. The daughterboard includes one or more input/output (I/O) connectors configured for direct external connections to outside of the chassis. The motherboard has no (I/O) connector configured for direct external connection to outside of the chassis.