The ZyXEL GS1900 Series of 24-port GbE Smart Managed Switch with Gigabit speed and essential managing functions bring your business network more fexibility and connectivity. Providing GbE switches with powersaving functions, All GS1900 Models are fanless EXCEPT GS1900-24HP, GS1900-48 and GS1900-48HP design and full IPv6 support ensure your network to be ready for future expansions. In addition, the PoE models GS1900-24HP Gigabit switch complies with the IEEE 802.3at Power over Ethernet (PoE) Plus standard. The complete GS1900 Series has been designed with useful features and advanced performances that empower your networks with speed and security as well as silent operation in your environments. The complete ZyXEL GS1900 Series has an essential portfolio of 24-port compact desktop and rackmount size with GbE connectivity. Support multiple deployment methods to fulfill the needs for small offices and meeting room environments such as wall-, under table- or desktop-mounting and rackmount options. It's now quick and e ffortless to enjoy the high-speed business network applications without a hitch. Additionally, the GS1900-24HP is equipped with 2 extra SFP slots to provide 100M and GbE speeds for long-distance deployments.