NebulaFlex Pro allows users to switch between standalone management and intuitive Nebula cloud managed mode with 1-Year Pro Pack bundled L2 multicast, IGMP snooping, MVR and voice VLAN for convergence High power budget of 375 W (28HP/52HP) and 180 W (10HP) within its compact case design simplifying rack installation Smart fan and fanless designs offer near silent operations in both desktop and rack-mount environment Check real-time status intuitively by cloud and PoE LED indicators Designed for converged networksGS2220 SeriesZyxels new generation of Layer 2 Managed Switch GS2220 Series are fully featured Layer 2 Gigabit access switches designed to meet converged data, video and voice networking needs. This latest serieseye-catching new look comes in 10-, 28-, and 50-port models with a combination of PoE and non-PoE. On top of the fully manageable L2 features set comes with the state-ofart Zyxel NebulaFlex Pro technology for cloud manageability.Industry first tri-mode switch.The GS22