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 VoIP, video conference and IPTV deployments 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 device 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 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