Advanced Gigabit Layer 3+ Expandable Switch, 1 x High Speed Expansion Bay + 12 x combo ports (10/100/1000BASE-T copper or SFP), 1 fixed AC PSU
10/100/1000T / SFP Combo x 12 ports modular Gigabit Ethernet Layer 3 switch. Each switch supports one high speed expansion bay, and is also capable of being stacked.
XEM expansion modules offer 10GbE, gigabit fiber, gigabit copper, and stacking expansion options.