Network ports 16 x 1G Uplink ports 2 x 1G SFP Power over Ethernet (PoE) PoE+ (240W) Stacking N/A Fan Fanless Power supply Internal Features Layer 2 switching, VLAN support, Spanning Tree Protocol (STP), advanced threat protection, IPv6 first-hop security, quality of service (QoS), sFlow, dynamic routing Network management Cisco Business Dashboard and mobile app; on-device UI, CLI, and SNMP Warranty Enhanced limited lifetime warranty