Cisco X4306-GB, Refurbished. Ethernet interface type: Fast Ethernet, Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s, Networking standards: IEEE 802.3. Fiber ethernet cabling technology: 1000BASE-X. Mean time between failures (MTBF): 570262 h, Compatibility: Cisco Catalyst 4500. Power consumption (typical): 35 W. Dimensions (WxDxH): 14.3 x 10.7 x 1.18" (362 x 273 x 30 mm)