High performance 10 gigabit ethernet cisco 550xg models in 550x series switches break the barrier of 10 gigabit ethernet adoption by providing affordable and flexible configurations customized for the demanding network requirements of small and medium businesses with 10g copper ports on those switches you can easily and cost effectively enable 10g connections to servers and network storage devices with standard rj45 ethernet cable you can also connect the 10g sfp fiber ports to 10g uplinks of