Groundbreaking AV GUI: A simplified user interface makes it easy to assign configuration profiles to each port Multicast in an Instant: NETGEAR IGMP Plus™ provides multicast functionality right out of the box for most AV over IP applications Sleek, Quiet Design: Less fan noise, and mounting ears included for under-table or wall mounting Automatic Configuration: Auto-trunk and auto-LAG functionality auto connects with other M4250 (and M4300) switches