D-Link DGS-3420-28TC 24 Port Networking Switch

The DGS-3420 Series Layer 2+ Gigabit switches deliver performance, flexibility, security, multi-layer QoS and access control, along with redundant power solutions for SMBs and enterprises. These switches offer high Gigabit port density, Gigabit SFP and 10-Gigabit SFP+ support, physical and virtual stacking. I/O Expansions - Expansion Slot Type: SFP - Expansion Slot Type: SFP+ - Number of SFP Slots: 4 - Number of SFP+ Slots: 4 - Number of Total Expansion Slots: 9 - Shared SFP Slot: Yes Interfaces/Ports - Ethernet Technology: Fast Ethernet - Ethernet Technology: Gigabit Ethernet - LRE Port: No - Number of Network (RJ-45) Ports: 20 - PoE (RJ-45) Port: No - Stack Port: Yes - Token Ring Port: No - Total Number of Network Ports: 20 - Uplink Port: Yes Media & Performance: - Ethernet Technology: Fast Ethernet - Ethernet Technology: Gigabit Ethernet - Network Technology: 10/100/1000Base-T - Network Technology: 10/100Base-TX Network & Communication: - Ethernet Technology: Fast Ethernet - Ethernet Technology: Gigabit Ethernet - Layer Supported: 4 - Network Technology: 10/100/1000Base-T - Network Technology: 10/100Base-TX Physical Characteristics - Compatible Rack Unit: 1U - Depth: 310.0 mm - Form Factor: Rack-mountable - Height: 44.0 mm - Weight (Approximate): 4.12 kg - Width: 441.0 mm