D-Link DGS-3420-28PC – 24-Port Gigabit PoE xStack L2+ Managed Stackable Switch with 4 × 10G SFP+ Uplink Ports
Overview:
• The D-Link DGS-3420-28PC is an xStack L2+ managed stackable Gigabit PoE switch designed for SMB, enterprise access, aggregation networks, service provider deployments, and professional network cabinets.
• It provides 20 × 10/100/1000BASE-T PoE ports, 4 × combo 10/100/1000BASE-T PoE/SFP ports, and 4 × 10G SFP+ uplink ports.
• The switch supports IEEE 802.3af/802.3at PoE with a 370W PoE power budget, expandable up to 740W when using the DPS-700 redundant power supply.
• The DGS-3420 Series supports physical stacking up to 12 units, virtual stacking up to 32 units, up to 40Gbps stacking bandwidth, advanced VLAN, QoS, ACL, security, OAM, IPv6, and D-Link Green technology.
• The DGS-3420-28PC delivers 128Gbps switch fabric, 95.24Mpps forwarding rate, 16K MAC address table, 2MB packet buffer, 13,000-byte jumbo frame, and 10G uplink flexibility for scalable access and aggregation networks.
Key Features:
• 24-Port Gigabit PoE xStack L2+ Managed Stackable Switch
• 20 × 10/100/1000BASE-T PoE Ports
• 4 × Combo 10/100/1000BASE-T PoE/SFP Ports
• 4 × 10G SFP+ Uplink Ports
• IEEE 802.3af/802.3at PoE Support
• 370W PoE Power Budget
• Up to 740W PoE Budget with DPS-700 RPS
• 128Gbps Switch Fabric
• 95.24Mpps Packet Forwarding Rate
• 16K MAC Address Table
• 2MB Packet Buffer
• Jumbo Frame up to 13,000 Bytes
• Physical Stacking up to 12 Units
• Up to 40Gbps Physical Stacking Bandwidth
• Virtual Stacking up to 32 Units
• D-Link Single IP Management Support
• 10G SFP+ Stacking / Uplink Support
• Optional DPS-700 Redundant Power Supply
• IPv6 Ready Logo Phase 2
• ERPS, STP, RSTP, MSTP, Loopback Detection, and Link Aggregation
• Advanced VLAN, QoS, ACL, Security, AAA, OAM, and Management Features
• D-Link Green 3.0 Technology with Time-Based PoE
Technical Specifications:
• Product Type: xStack L2+ Managed Stackable Gigabit PoE Switch
• Brand: D-Link
• Model: DGS-3420-28PC
• Series: DGS-3420 Series
• Port Configuration: 20 × 10/100/1000BASE-T PoE + 4 × Combo 10/100/1000BASE-T PoE/SFP + 4 × 10G SFP+
• Gigabit PoE Ports: 20 Ports
• Combo PoE/SFP Ports: 4 Ports
• 10G SFP+ Ports: 4 Ports
• PoE Standards: IEEE 802.3af / IEEE 802.3at
• PoE Power Budget: 370W
• Maximum PoE Budget with RPS: 740W with DPS-700
• Optional Redundant Power Supply: DPS-700
• Console Port: RJ45
• Management Port: 10/100BASE-T
• Alarm Port: 1
• SD Card Slot: 1
• Switch Fabric: 128Gbps
• Packet Forwarding Rate: 95.24Mpps
• Packet Buffer: 2MB
• MAC Address Table: 16K Entries
• IPv4 Routing Table: 1K Entries
• IPv6 Routing Table: 512 Entries
• IPv4 Forwarding Table: 2K Entries
• IPv6 Forwarding Table: 1K Entries
• Jumbo Frame Size: 13,000 Bytes
• MTBF: 237,115 Hours
• Acoustics: Max. 52.7dB
• Heat Dissipation: 1712.5BTU/hr
• Power Input: 100 to 240V AC, 50/60Hz
• Maximum Power Consumption: 502.2W
• Dimensions: 441 × 380 × 44mm
• Weight: 5.75kg
• Ventilation: Temperature Controlled Smart Fan
• Operating Temperature: 0°C to 50°C
• Storage Temperature: -40°C to 70°C
• Operating Humidity: 10% to 90% RH
• Storage Humidity: 5% to 90% RH
• Emission Standards: FCC Class A, CE Class A, VCCI Class A, IC, C-Tick
• Safety Standards: CB, cUL, LVD
• Certification: IPv6 Ready Logo Phase 2
• Physical Stacking: Up to 12 Units per Stack
• Stacking Topology: Duplex Chain / Ring
• Physical Stacking Bandwidth: Up to 40Gbps
• Virtual Stacking: Up to 32 Devices with D-Link Single IP Management
• Layer 2 Features: 16K MAC Address Table, 802.3x Flow Control, HOL Blocking Prevention, Jumbo Frame up to 13,000 Bytes, IGMP Snooping v1/v2/v3, MLD Snooping, Loopback Detection, STP, RSTP, MSTP, BPDU Filtering, Root Restriction, Link Aggregation, Port Mirroring, L2 Protocol Tunneling, ERPS
• Link Aggregation: Up to 32 Groups per Device, 8 Gigabit Ports or 2 × 10G Ports per Group
• VLAN Features: 4K Static VLAN Groups, 255 Dynamic VLAN Groups, 802.1Q Tagged VLAN, 802.1v Protocol VLAN, GVRP, Q-in-Q, Port-Based Q-in-Q, MAC-Based VLAN, VLAN Trunking
• Layer 3 Features: 256 IP Interfaces, Loopback Interface, IPv6 Tunneling, Proxy ARP, Gratuitous ARP, VRRP
• Layer 3 Routing: 1K Routing Entries Shared by IPv4/IPv6, 1K IPv4 Routes, 512 IPv6 Routes, 2K L3 Forwarding Entries, Static Routing, RIP v1/v2, RIPng, Policy-Based Routing, Route Redistribution
• QoS Features: 802.1p QoS, 8 Queues per Port, Strict, WRR, Strict + WRR, CoS Based on Switch Port, VLAN, 802.1p, MAC Address, IPv4/IPv6 Address, DSCP, Protocol Type, IPv6 Traffic Class, IPv6 Flow Label, TCP/UDP Port, User-Defined Packet Content, Time-Based QoS
• Bandwidth Control: Port-Based Ingress/Egress with 8Kbps Minimum Granularity, Flow-Based Ingress with 8Kbps Minimum Granularity
• ACL Features: Ingress ACL up to 6 Profiles and 256 Rules per Profile, Egress ACL up to 4 Profiles and 128 Rules per Profile, Time-Based ACL, ACL Statistics
• Security Features: SSH v2, SSL v1/v2/v3, Port Security, Storm Control, Traffic Segmentation, IP-MAC-Port Binding, ARP Packet Inspection, IP Packet Inspection, DHCP Snooping, DHCPv6 and NDP Snooping, D-Link Safeguard Engine, DHCP Server Screening, CPU Interface Filtering, ARP Spoofing Prevention, BPDU Attack Protection, NetBIOS/NetBEUI Filtering
• AAA Features: 802.1X, Web-Based Access Control, MAC-Based Access Control, Japan Web-Based Access Control, Microsoft NAP, Guest VLAN, RADIUS and TACACS+ Authentication, 4-Level User Account
• Management Features: Web GUI, CLI, Telnet Server/Client, TFTP Client, ZModem, SNMP v1/v2c/v3, SNMP Trap, System Log, RMON v1/v2, sFlow, LLDP/LLDP-MED, BootP/DHCP Client, DHCP Auto-Configuration, DHCP Relay, DHCP Server, Flash File System, Multiple Images, Multiple Configurations, CPU Monitoring, Debug Command, SNTP, ICMPv6, DHCPv6 Client/Relay/Server, Trusted Host, MTU Setting, Microsoft NLB Support, UDP Helper
• OAM Features: 802.3ah Ethernet Link OAM, D-Link Unidirectional Link Detection, IEEE1588 Precision Time Protocol, Cable Diagnostics, Connectivity Fault Management, ITU-T Y.1731
• D-Link Green 3.0: Power Saving by Link Status, Cable Length Detection, LED Shutoff, Port Shutoff, System Hibernation Mode, Time-Based PoE, 802.3az Energy Efficient Ethernet
• Optional 10G SFP+ Transceivers: DEM-431XT, DEM-431XT-DD, DEM-432XT, DEM-432XT-DD, DEM-433XT, DEM-433XT-DD, DEM-434XT, DEM-435XT, DEM-435XT-DD, DEM-436XT-BXU, DEM-436XT-BXD
• Optional 1G SFP Transceivers: DEM-310GT, DEM-311GT, DEM-312GT2, DEM-314GT, DEM-315GT, DEM-330T, DEM-330R, DEM-331T, DEM-331R, DEM-211, DEM-210, DEM-220T, DEM-220R, DGS-712
• Optional DAC Cables: DEM-CB100S, DEM-CB300S, DEM-CB700S
Applications:
• Enterprise access layer networks
• Departmental access networks
• Aggregation switch deployments
• CCTV and IP surveillance PoE networks
• Wireless access point deployment
• VoIP and IP phone systems
• SMB and enterprise network cabinets
• Service provider FTTB aggregation networks
• Multi-floor and multi-building network designs
• Networks requiring PoE, 10G uplinks, stacking, VLAN, QoS, ACL, OAM, and advanced security
Connect Gates Recommendation:
• Connect Gates recommends the D-Link DGS-3420-28PC for professional projects that require a strong managed PoE switch with stacking and 10G uplink capability.
• It is an excellent choice for CCTV, wireless APs, VoIP, enterprise access, and aggregation layer deployments where stable PoE power, high availability, and centralized management are required.
• The 24 PoE-capable Gigabit ports, 4 × 10G SFP+ uplinks, 370W PoE budget, physical stacking up to 12 units, virtual stacking up to 32 units, and DPS-700 RPS support make it suitable for scalable and mission-critical networks.
• For best performance, Connect Gates recommends calculating the total PoE load before installation, using suitable SFP+ transceivers or DAC cables for uplinks/stacking, and considering DPS-700 where redundancy or higher PoE budget is required.