ZYXEL GS2220-28 24 Ports Manageable Ethernet Switch - 4 Layer Supported - Modular - Twisted Pair, Optical Fiber - Rack-mountable - Lifetime Limited Warranty GS2220 Layer 2 Managed Switch Designed For Converged Networks 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 The GS2220 Series has a rich Layer 2 feature set that can shape the traffic for diverse Vo IP, video conference and IPTV deployments. Advanced traffic control features of the GS2220 Series such as L2 multicast, IGMP snooping, Multicast VLAN Registration (MVR) provide hotels, businesses, and educational institutions greater agility and more effective traffic management for the converged applications of today. Manage it your way! The support of Zyxel Nebula Flex 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 Po E models support 802. 3at to offer 30W per port along with maximum 375W high-power budget to meet the needs from power-hungry devices. The intelligent consumption mode allows delivery of only the actual power required by devices connected to the switch for better business ROI. Experience whisper-silent operations This Series includes both fan-less and built-in smart fan models. The smart fan is designed to automatically adjust speed based on device temperature. You can barely hear the sound while the switch is operating. Flexible port combination The GS2220 Series includes copper ports and combo ports, 50 and 50HP models even come with additional dedicated SFP ports for uplinks. This flexible port combination can fit in every Layer 2 switching applications easily.