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DGS-3120-48TC
D-Link 44 Gigabit electrical ports + 4 Gigabit optical multi...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
DGS-3120-48TC is a high-performance, Layer 2+ network switch engineered with a robust architecture that maximizes throughput and network reliability. Designed with flexibility in mind, it offers a dependable AC power supply option and delivers 48 high-speed Ethernet ports alongside dedicated SFP uplink ports to ensure seamless connectivity in diverse network environments.
Featuring stacking capabilities for simplified scalability, DGS-3120-48TC supports growing network demands while maintaining low latency and consistent performance. Ideal for enterprise campuses, data centers, and SMB environments, its architecture and efficient port configuration make it a reliable solution for secure and resilient network operations.
DGS-3120-48TC price is is available on request. Get immediate quote.
Request bulk order quote for DGS-3120-48TC for additional pricing. Browse the full D-Link Aggregation Switches series or explore all D-Link products.
In a multi-building corporate campus, IT deploys the rack-mount DGS-3120-48TC-D-Link (44 Gigabit electrical + 4 Gigabit SFP uplinks) as the core/distribution switch. Leveraging its pure L3 routing, 336 Gbps switching capacity and 132 Mpps forwarding rate, the switch segments traffic into VLANs, runs OSPF for dynamic failover and enforces QoS for VoIP and video. Outcome: sub-millisecond latency, high availability across 3-tier architecture, simplified network management and predictable bandwidth for mission-critical applications.
A mid-sized data center installs the DGS-3120-48TC-D-Link at each rack to aggregate hypervisor hosts and storage arrays. With 44×1 GbE ports and 4×1 GbE fiber uplinks, 336 Gbps switching capacity (3.36 Tbps full duplex) and 166 Mpps forwarding, the switch delivers low-latency east-west traffic and supports VLAN trunking for multi-tenant isolation. Outcome: maximized VM density, streamlined VLAN provisioning, and line-rate throughput for database replication and backup operations.
A nationwide retail chain equips each branch closet with the rack-mounted DGS-3120-48TC-D-Link, enabling 44 Gigabit copper ports for POS, Wi-Fi APs and surveillance cameras plus 4 Gigabit SFP ports for fiber WAN. The integrated DHCP server auto-provisions endpoints on segmented VLANs and enforces ACLs at Layer 3. Outcome: plug-and-play rollout in under 30 minutes, centralized policy enforcement, resilient fiber connectivity and reduced onsite IT overhead.
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| DGS-3120-48TC |  DGS-3130-30TS |  DGS-3000-52L |  DGS-3120-24TC |  DGS-3130-30S | |
|---|---|---|---|---|---|
| Depth | 11.42 inches | 11.3 inches | 11.42 inches | 11 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 32 MB | 32 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Desktop / Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.73 inches | 1.75 inches | 1.73 inches |
| IOS | LAN Lite | LAN Lite | LAN Base | LAN Lite | LAN Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DGS-3120-48TC | DGS-3130-30TS | DGS-3000-52L | DGS-3120-24TC | DGS-3130-30S |
| Media Type Supported | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 128 MB | 128 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 48 x 10/100/1000 ports and 4 x 10/100/1000 SFP slots | 24 x 10/100/1000 RJ45 ports, 4 x SFP ports | 48 x 10/100/1000 ports, 4 x 1G SFP Combo ports | 24 x RJ45 ports, 4 x SFP ports | 24 x 10/100/1000 Ethernet ports, 4 x 10/100/1000 SFP ports, stacking module ports |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | D-Link DGS-3120-48TC Gigabit Switch | DGS-3130-30TS Gigabit Smart Switch | D-Link DGS-3000-52L Smart Managed Switch | DGS-3120-24TC Smart Managed Switch | D-Link DGS-3130-30S Stackable Managed Gigabit Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 104 Gbps | 56 Gbps | 104 Gbps | 48 Gbps | 56 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 16 lbs | 12 lbs | 13.2 lbs | 10 lbs | 12 lbs |
| Width | 17.3 inches | 17.3 inches | 17.32 inches | 17.5 inches | 17.3 inches |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Strong Layer 3 switch with reliable throughput and good port mix.
Performs well in access and aggregation roles.
Stable operation with no packet loss issues.
Easy to manage and dependable in daily use.
A solid managed switch for enterprise networks.
The DGS-3120-48TC provides 44 10/100/1000 Mbps electrical RJ45 ports and 4 Gigabit SFP optical multiplexing ports for flexible copper and fiber connectivity.
This switch delivers up to 336 Gbps of switching capacity and a 3.36 Tbps backplane to handle high-throughput traffic without bottlenecks.
It supports a packet forwarding rate of up to 132 Mpps for 64-byte packets and 166 Mpps for 512-byte packets, ensuring smooth data flow.
Yes. The DGS-3120-48TC is a pure Layer 3 managed switch with static routing, RIP, OSPF, and multicast routing capabilities.
Yes. It includes an integrated DHCP server to automatically assign IP addresses and streamline network configuration.
Yes. The switch features a 1U rack-mount design with included brackets for standard 19-inch rack installation.
Management options include a web-based GUI, CLI (Telnet/SSH), SNMP v1/2/3, RMON, and D-Link’s Network Assistant utility.
The 4 SFP ports support standard 1000BASE-SX/LX/LHX and DWDM optical transceivers for multimode or single-mode fiber links.
It supports up to 4,094 VLANs, 802.1Q tagging, QinQ, and advanced QoS including DSCP, 4 priority queues, and traffic shaping.
Security features include ACLs (L2–L4), 802.1X port-based authentication, DHCP snooping, IP source guard, and storm control.
Yes. The switch offers full IPv6 support for management, IPv6 static routing, RIPng, OSPFv3, and MLD Snooping.
It incorporates D-Link Green features such as IEEE 802.3az Energy Efficient Ethernet, fan control, and port standby to reduce power consumption.
It supports VRRP, STP/RSTP/MSTP, Link Aggregation (LACP), and redundant power feed for uninterrupted operations.
D-Link provides a limited lifetime warranty on hardware, 5-year advance replacement, and 24/7 technical support.
Ideal for enterprise campus cores, distribution layers, data centers, and SMB aggregation where high port density and Layer 3 routing are required.
Access the web GUI or CLI, navigate to DHCP Server settings, enable the server, define the IP pool, subnet mask, gateway, and DNS parameters, then apply.
United States
