The Switch vl 1-Port 10 Gb E X2 Module provides one X2 10G port for use in the Switch 4200vl series. The Switch 4200vl series consists of a modular chassis that provides a flexible, cost-effective LAN solution, & is an alternative to stackable switches. These switches integrate easily into any network, offering a proven chassis form factor with high quality & reliability in 10/100 & 10/100/1000 scalable solutions.