The cisco sf500 48 is a 48 port stackable managed 10100 switch with four gigabit ethernet ports 2 combination ports and 2 small form factor pluggable sfp ports that provides a solid foundation for your current business applications as well as those you are planning for the future it offers true stacking advanced security quality of service energy saving technology eee ipv6 and network features that deliver the reliability and performance needed by demanding environments the swit