With the ServSwitch EC KVM Switch for PS/2 and USB Servers and PS/2 or USB Consoles, 8-Port, switch among 8 servers from a single console. To expand your switching platform to include additional servers, simply cascade units in a master-slave configuration. Cascade up to 64 servers with the 8-port model. The ServSwitch EC is plug-and-play, so you can add or subtract servers almost as quickly as you can plug and unplug cables.