TP-LINK SG1016 10/100/1000 A16-Port Gigabit Rackmount Switch16 10 100 1000Mbps RJ45 ports Innovative energy efficient technology saves power consumption Supports MAC address self learning and auto MDI MDIX Standard 19 inch rack mountable steel case Isolation Mode allows one click client traffic separation for higher security and performance Monitor and address loop related issues within your network structure to prevent disruptions caused by looping