The Extreme switching 200 series is an economical, fixed-configuration family of managed Gigabit Ethernet layer 2/3 switches designed for enterprises, branch offices and small to medium-sized businesses looking for key features in a flexible. Consisting of 210 and 220 Series, each line is available in 12-, 24- and 48-port Gigabit PoE+ and non-PoE models. 210 Series models also have 2 or 4 SFP integrated ports for fiber up links while 220 Series offers 2 or 4 integrated SFP+ ports for high-speed 10Gbps connectivity.