Zyxel&nbsp;16 Port Gigabit Switch, Easy Smart Managed, Compact Rackmount, Fanless (GS1900-16) Fast networking performance with 16 Gigabit Ethernet ports and non-blocking full bandwidth of 2,000 Mbps per port Get up and running in minutes: The intuitive web-based set-up wizard enables simple and fast configuration and management, even for non-technical staff Compact desktop or wall-mount fanless design ensures quiet operation in small offices and higher reliability over time Advanced features like VLAN, QoS, IGMP Snooping, Link Aggregation (LAG), IPv6 and DoS prevention enable better security and management Lifetime hardware warranty, free firmware upgrade support and free technical support for long-term assurance 16-port GbE Smart Managed Switch Input voltage of AC: 100 - 240 V AC,50/60 Hz Max. power consumption(watt) : 10.5 item Dimensions (WxDxH)(mm/in.): 216 x 133 x 42/8.50 x 5.23 x 1.65