Cisco SG500X-48P-K9-NA | Small Business 500 Series SG500X-48 48 x RJ-45 Ports 10/100/1000Base-T + 2 x SFP+ Ports + 2 x Combo 5G SFP Ports Layer 3 Managed Gigabit Ethernet Stackable Network Switch

1. Switching capacity: 176 Gbps
2. Forwarding rate: 130.95 Mpps
3. Number of ports: 48 Gigabit Ethernet ports
4. Power over Ethernet (PoE) support: Yes
5. PoE power budget: 740W
6. VLAN support: Yes, including IEEE 802.1Q VLAN tagging
7. Quality of Service (QoS) support: Yes, including 8 hardware queues per port
8. Link aggregation: Yes, with support for up to 8 groups and up to 8 ports per group
9. Spanning Tree Protocol (STP) support: Yes, including IEEE 802.1D, 802.1w, and 802.1s
10. Multicast support: Yes, including IGMP snooping and MLD snooping
11. Security features: Access control lists (ACLs), port security, and DHCP snooping
12. Management interfaces: Web-based GUI, CLI, SNMP, and RMON

Notes:
1. The switch supports both IPv4 and IPv6 protocols.
2. The fanless design makes it ideal for quiet environments.
3. The switch is stackable with other SG500X switches for increased scalability.