Cisco CBS350-48P-4G Business 350 48-Port GbE PoE+ 370W 4x 1G SFP Fanless Layer 3 Switch

The Cisco CBS350-48P-4G is a Layer 3 managed access switch from the Cisco Business 350 Series, designed for small and medium-sized businesses requiring high-density PoE+ connectivity with Gigabit SFP uplinks and enterprise-grade management features in a quiet fanless chassis. The switch provides 48 autosensing 10/100/1000BASE-T PoE+ RJ-45 ports with IEEE 802.3af/at support and a 370W total PoE budget for powering IP phones, wireless access points, cameras, and IoT devices, alongside four 1G SFP uplink ports for fiber connectivity. Switching capacity is 104 Gbps with a forwarding rate of 77.38 Mpps and a 3 MB packet buffer. The fanless design enables silent operation ideal for noise-sensitive office and classroom environments. Layer 3 features include static routing, dynamic routing, inter-VLAN routing, and up to 4,094 VLANs. Virtual stacking supports up to 16 switches managed under a single IP address. Security features include ACLs, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, IPv6 first-hop security, and SSL encryption. Management options include web GUI, CLI, SNMP, and Cisco Business Dashboard with sFlow and QoS support.