28-port Managed Switch: 24 10G/Multi-Gig PoE+ ports with 4 25GBASE-X SFP28 uplinks 880W internal power supply providing 576W of PoE budget 1 slot for modular power supply (1+1 redundancy and/or EPS share) Virtual Chassis stacking provides non-stop forwarding (NSF) and hitless failover Layer 3 feature set includes static, policy-based, and dynamic routing NETGEAR IGMP Plus™, AV User Interface, and Engage Controller speed up AV installations Covered under NETGEAR Limited Lifetime Hardware Warranty.