D-Link xStack 48-Port Gigabit Layer 3 Managed PoE+ Switch with 4 SFP Uplinks (DGS-3120-48PC/SI)

The D-Link xStack DGS-3120-48PC/SI is a high-performance Layer 3 managed Gigabit switch designed for enterprise networks that demand scalability, reliability, and advanced control. Featuring 48 Gigabit PoE+ ports and 4 combo SFP uplinks, this switch enables seamless connectivity for high-density environments such as campus networks, data centers, and IP surveillance deployments. Built with stacking capabilities and a robust switching architecture, it delivers high throughput and resilient network performance. Advanced Layer 2 and Layer 3 features, including VLAN segmentation, routing protocols, and comprehensive security controls, ensure efficient traffic management and secure network access. With integrated PoE+ support, it powers connected devices such as IP cameras, VoIP phones, and wireless access points directly through Ethernet, simplifying deployment and reducing infrastructure costs. The DGS-3120-48PC/SI is engineered for business continuity, offering redundancy support, intelligent traffic prioritization, and centralized management, making it a dependable backbone solution for modern enterprise networks. Feature Specification Switch Type Layer 3 Managed Gigabit Switch Port Configuration 48 x 10/100/1000 Mbps Gigabit Ethernet PoE+ Ports Uplink Ports 4 x Combo 10/100/1000BASE-T/SFP Ports Stacking Capability Yes, with dedicated stacking ports Switching Capacity Up to 136 Gbps Forwarding Rate Up to 101.19 Mpps PoE Standard IEEE 802.3af and IEEE 802.3at (PoE+) PoE Power Budget Up to 370W (expandable with RPS) VLAN Support IEEE 802.1Q VLAN, Private VLAN, Voice VLAN Routing Protocols RIP, OSPF, VRRP Security Features ACL, 802.1X authentication, RADIUS, TACACS+, SSH, SSL Network Management Web GUI, CLI, SNMP v1/v2c/v3 MAC Address Table Up to 16,000 entries Jumbo Frame Support Up to 13K Bytes Redundancy Support External Redundant Power Supply (RPS) compatible Operating Temperature 0°C to 50°C Form Factor Rack-mountable (1U) Power Input 100–240 VAC, 50/60 Hz