Industry first tri-mode switch: The GS2220 Series is the first managed hybrid switch with Nebula Cloud management, Standalone management, and SNMP Powerful L2 features: A rich Layer 2 feature set that can shape the traffic for diverse VoIP, video conference and IPTV deployments Manage it your way: The support of Zyxel NebulaFlex Pro allows you to easily switch standalone management and intuitive Nebula cloud management platform with 1-YEAR Pro Pack bundled anytime with just a few simple clicks Power your devices with efficiency and energy-saving: The PoE models support 802.3at to offer 30W per port along with maximum 375W high-power budget to meet the needs from power-hungry devices Experience whisper-silent operations: This Series includes both fan-less and built-in smart fan models Flexible port combination: Includes copper ports and combo ports, 50 and 50HP models even come with additional dedicated SFP ports for uplinks