A cable assembly includes a first header connector that includes a housing that holds a plurality of contacts. The housing of the first header connector has a first mating interface. The cable assembly also includes a second header connector having a housing that holds a plurality of contacts. The housing of the second header connector has a second mating interface facing in an opposite direction from the first mating interface. The first and second header connectors are identical to one another. A cable bundle has a plurality of cables extending between the first and second header connectors. The cables are connected between the contacts of the first header connector and corresponding contacts of the second header connector.