CISCO WS-C3560X-48T-S Managed Ethernet Switch Primary Ports: 48 x RJ45 Primary Port Speed: 10/100/1000Mbps Stackable: Yes SNMP: Yes QoS: Yes Power: 100 V AC to 240 V AC Dimensions: 1.75 x 17.50 x 18.00 Package Contents: Catalyst WS-C3560X-48T-S Gigabit Ethernet Switch 350W AC power supply