The 3Com Switch 4500G has 2 rear slots for dual-port 10-Gigabit modules. This module uses CX4 4X-InfiBand cables in lengths up to 3 meters. 10-Gigabit Ethernet is a standards-based method for connecting at performance 10x that of Gigabit Ethernet, and is the perfect aggregation technology when deploying gigabit to the desktop or for interconnecting core and distribution switches.