Speed : 10/100/1000Mbps Gigibit Ethernet Number of Ports : 16 Energy Efficient Ethernet Support (IEEE 802.3az) : Yes Jumbo Frame Support : 9KB Queue WRR Ratio : 1:2:4:8 MAC Table Size : 8K Packet buffer size : 256KB IEEE 802.1p QoS : Yes Max Power Consumption : 11.8W Operating Temperature : 0 to 50° C MTBF (hours) : 441,123 FCC Class : A Dimensions (WxDxH): 328 x 169 x 43 mm Weight (kg) : 1.47 Fast, auto-switching and auto-sensing 10/100/1000Mbps Ethernet connection 16 switched ports provide bandwidth for PCs, servers or switches Auto Uplink™ automatically adjusts for straight-through or crossover cables Plug and play—begins working as soon as it is powered on Integrates 10-,100- and 1000Mbps devices into your network Compact size for desktop or for mounting in a standard 19-inch rack.