DGS-3420-28SC - D-Link 20-Port 128Gb/s 10-Gigabit SFP+ Rack Mountable Gigabit Ethernet Switch

1. Total Number of Ports: 20
2. SFP+ Ports: 20
3. Switching Capacity: 128 Gbps
4. Forwarding Rate: 95.24 Mpps
5. VLAN Support: 4K VLANs
6. Jumbo Frame Support: 12K Bytes
7. MAC Address Table Size: 16K Entries
8. Link Aggregation: Support for up to 32 groups with up to 8 ports per group
9. Quality of Service (QoS): 8 queues per port, 802.1p, DSCP, and CoS
10. Security Features: Access Control List (ACL), IP-MAC-Port Binding, 802.1X, RADIUS, TACACS+, SSL, and Port Security
11. Management: Web-based GUI, CLI, SNMP, RMON, and Dual Image
12. Power Supply: Dual Redundant Power Supply (RPS) Support

Notes:
1. The switch is rack-mountable, making it ideal for data centers and server rooms.
2. With support for up to 4K VLANs, the switch can easily segment and manage network traffic.
3. The dual redundant power supply support ensures high availability and minimizes downtime.