The Extreme Switching 210 Series is an economical, fixed-configuration family of Gigabit Ethernet Layer 2 switches designed for enterprises, branch offices & small to medium-sized businesses looking for key features in a flexible, yet easy-to-manage solution. The series consists of six switches including 12-, 24-, & 48-port Gigabit Ethernet switches & 12-, 24-, & 48-port Gigabit Po E+ models. All models provide nonblocking Gigabit per port performance & include either 2 or 4 sfp ports for fiber connectivity. In addition, the 12-port Po E+ & non-Po E+ models can operate in fanless mode, making them ideal for office deployments.