A system may include a chassis and a chassis backplane integral to the chassis. The chassis may be configured to receive a plurality of server backplanes, each server backplane integral to a respective modular sled configured to removably engage with the chassis. The server backplane may include a plurality of information handling systems, a switch communicatively coupled to each of the information handling systems, at least one external network port communicatively coupled to the switch for coupling the switch to an external network external to the chassis, and a plurality of internal network ports communicatively coupled to the switch. The chassis backplane may have a topology configured to couple the switch from each server backplane to switches from two or more other server backplanes such that an internal chassis network is formed comprising the information handling systems and switches of the plurality of server backplanes engaged with the chassis.