D-Link DGS-3420-52P | 81W 48-Port 176Gbps 10/100/1000Base-T Managed Stackable Gigabit Ethernet Switch with 4 10-Gigabit SFP+ Ports

1. Number of Ports: 48 10/100/1000Base-T ports and 4 10-Gigabit SFP+ ports
2. Switching Capacity: 176 Gbps
3. PoE Power Budget: 81W
4. VLAN Support: Yes, including IEEE 802.1Q VLAN Tagging
5. Quality of Service (QoS) Support: Yes, including IEEE 802.1p and DiffServ
6. Management Interface: CLI, Telnet, SSH, Web-based GUI, SNMP
7. Stackable: Yes, up to 12 units
8. Redundancy: Supports 1+1 power redundancy and 1+1 management module redundancy
9. Security Features: Access Control List (ACL), D-Link Safeguard Engine, Port Security, IP-MAC-Port Binding
10. Dimensions: 440 x 380 x 44 mm (17.32 x 14.96 x 1.73 inches)
11. Weight: 6.1 kg (13.45 lbs)
12. Rack Mountable: Yes, includes rack-mount brackets

Notes:
1. The DGS-3420-52P is a high-performance switch ideal for enterprise-level networks.
2. With support for VLANs and QoS, this switch can prioritize and segment network traffic for optimal performance.
3. The switch's security features help protect against unauthorized access and ensure the integrity of the network.