Technologies for midplane docking systems for connecting adjacent levels of docks are provided herein. An extendable connection system includes: a connector cable, the connector cable having a first end and a second end; a male connector, the male connector connected to the first end of the connector cable, the male connector including male connecting mechanism; and a female connector, the female connector connected to the second end of the connector cable and including a female connecting mechanism adapted to connect with the male connecting mechanism, wherein the male connector is extendable relative to the female connector.