Zyxel 10 Port 1000/10G-BASE-T Smart Managed Switch Plus 2 Combo SFP+/RJ45, 12 Total Ports (XS1920-12) Upgrades your network to 10GbE connectivity easily and economically Simplified configuration with user-friendly web-based management GUI Flexible 10G connection to 10G servers and network storage through both copper and fiber ZyXEL One Network experience enables simple network management and maintenance Dual firmware imaging and configuration ensure network availability Future-proofed with IPv6 support Limited life-time warranty