Extreme Networks XGM3S-2sf - expansion module - 2 ports

The XGM3S-2sf card allows you to add one or two 10-Gigabit SFP+ optical ports to slot A on the rear panel of an E4G-400 router. These ports support synchronous Ethernet and can be used for stacking connections or data links. The XGM3S-2sf card supports SFP+ optical modules and an SFP+ direct-attach passive copper cable.