The ZyXEL GS1900 and GS1920 Series of Smart Managed Switches with Gigabit speed and essential managing functions bring your business network more flexibility and connectivity. The 1900 Series provides power-saving functions, fanless design and full IPv6 support ensuring your network to be ready for future expansions. The GS1920 series taylors for todays small and medium-sized businesses (SMBs) which expect a higher level of performance from their networks - more connections to support diverse applications, fewer network disruptions, easier management and a greater degree of network security. In addition, the PoE models comply with the IEEE 802.3at Power over Ethernet (PoE) Plus standard.