28-port Managed Switch: Includes 24 10GBASE-X SFP+ ports and 4 25GBASE-X SFP28 uplinks. 1 slot for modular power supply (1+1 redundancy). 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.