The AMD LogiCORE™ Quad Serial Gigabit Media Independent Interface (QSGMII) core provides a flexible solution for combining four Serial Gigabit Media Independent Interfaces (SGMII) into one 5 Gigabits per second (Gb/s) interface, to significantly reduce the number of inputs/ outputs (I/Os). This core supports Cisco QSGMII Specification Version 1.2 (EDCS-540123).