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Optical focused switch with consistent performance.
DGS-3120-24SC
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D-Link 16 Gigabit SFP optical ports + 8 Gigabit optical mult...
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DGS-3120-24SC
- Description:
- D-Link 16 Gigabit SFP optical ports + 8 Gigabit optical multiplexing ports, switching capacity: 336G/3.36T, packet forwarding rate: 96Mpps/126Mpps, pure three-layer network management switch, support DHCP server, rack type
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- Brand:
- D-Link
- GTIN:
- 790069344077
- Condition:
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DGS-3120-24SC Overview
DGS-3120-24SC is a stackable gigabit switch engineered with a robust architecture that supports high-performance networking in small to medium enterprise environments. Designed with versatile power options and a mix of 10/100/1000 Ethernet ports and dedicated SFP uplink ports, it meets the demands for scalability and reliable network operations.
DGS-3120-24SC offers a compact rack-mount form factor with efficient stacking capabilities for simplified network management and future expansion. Its low latency, resilient performance, and targeted use in campus, branch, and data center access networks make it an ideal solution to optimize connectivity and streamline IT operations.
DGS-3120-24SC price is is available on request. Get immediate quote.
Request bulk order quote for DGS-3120-24SC for additional pricing. Browse the full D-Link Aggregation Switches series or explore all D-Link products.
DGS-3120-24SC Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Form Factor
- Rack-mount
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Redundant Power Supply Supported
- No
- Uplink Configuration
- 1G
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Flash Memory
- 64 MB
- Media Type Supported
- Combo
- IOS
- LAN Lite
- Number of Ethernet Ports
- 12–24 Ports
- Height
- 1.75 inches
- Weight
- 12 lbs
- Layer Supported
- Layer 2
- Width
- 17 inches
- Switching Capacity
- 52 Gbps
- Switching Capacity with Stacking
- 104 Gbps
- Depth
- 9.8 inches
- Power Consumption
- 26W
- Manufacturer Part Number
- DGS-3120-24SC
- Port/Expansion Slot Details
- 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP ports
- Product Name
- DGS-3120-24SC Stackable Gigabit Switch
DGS-3120-24SC Use Case
University Campus Backbone Aggregation with DGS-3120-24SC
Scenario: A mid-size university requires a high-speed backbone to interconnect 12 academic buildings with reliable fiber uplinks and automated IP provisioning for 5,000+ devices. Solution: Deploy the rack-mount DGS-3120-24SC-D-Link pure three-layer network management switch, utilizing its 16 Gigabit SFP optical ports for point-to-point fiber links and 8 Gigabit optical multiplexing ports for redundant paths. Leverage its 336 Gbps (3.36 Tbps) switching capacity and 96 Mpps (126 Mpps) packet forwarding rate to support OSPF, VLAN segmentation, and on-board DHCP server. Outcome: Achieves scalable, low-latency inter-building connectivity, simplified layer-3 routing, centralized DHCP orchestration, and 99.99% uptime for academic and administrative services.
Data Center Top-of-Rack Acceleration Using DGS-3120-24SC Pure Layer-3 Switch
Scenario: A cloud hosting provider needs to optimize east-west traffic between 200 virtualized servers in a single rack and ensure fast failover. Solution: Integrate the DGS-3120-24SC pure three-layer rack-mount switch at top-of-rack, connecting servers via 16 Gigabit SFP optical ports and aggregating spine uplinks with 8 Gigabit optical multiplexing ports. Its 336 Gbps switching capacity and 96 Mpps packet forwarding rate handle high-volume east-west traffic, while built-in DHCP server automates VM IP assignment. Outcome: Delivers sub-microsecond latency, seamless server-to-server throughput, rapid DHCP provisioning, and simplified network segmentation for efficient resource scaling.
ISP Fiber Aggregation and DHCP Service Delivery on DGS-3120-24SC
Scenario: A regional ISP seeks an aggregation switch to deliver gigabit fiber services to 3,000+ residential subscribers across multiple neighborhoods with diverse VLANs and dynamic IP assignment. Solution: Deploy the rack-type DGS-3120-24SC-D-Link switch at the headend, using 16 Gigabit SFP optical ports for fiber distribution and 8 Gigabit optical multiplexing ports for redundant ring topologies. With pure layer-3 routing, 336 Gbps switching capacity, 126 Mpps forwarding rate, and integrated DHCP server, it supports VLAN isolation, subscriber management, and rapid IP lease. Outcome: Ensures high-density subscriber aggregation, deterministic routing, automated DHCP provisioning, enhanced service reliability, and streamlined multi-site operations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DGS-3120-24SC |  DGS-3000-52X |  DGS-3130-30TS |  DGS-3000-28L |  DGS-3000-52L | |
|---|---|---|---|---|---|
| Depth | 9.8 inches | 12.8 inches | 11.3 inches | 9.6 inches | 11.42 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 32 MB | 32 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 Lite | LAN Lite | LAN Base |
| 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-3120-24SC | DGS-3000-52X | DGS-3130-30TS | DGS-3000-28L | DGS-3000-52L |
| Media Type Supported | Combo | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber |
| Memory | 256 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 24 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | Over 48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP ports | 48 Gigabit Ethernet ports, 4 dedicated SFP uplink ports | 24 x 10/100/1000 RJ45 ports, 4 x SFP ports | 24 RJ-45 ports and 4 combo SFP ports | 48 x 10/100/1000 ports, 4 x 1G SFP Combo ports |
| Power Consumption | 26W | 150 W | N/A | N/A | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | DGS-3120-24SC Stackable Gigabit Switch | D-Link DGS-3000-52X Smart Managed Gigabit Switch | DGS-3130-30TS Gigabit Smart Switch | D-Link DGS-3000-28L Managed Gigabit Switch | D-Link DGS-3000-52L Smart Managed 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 | 52 Gbps | 104 Gbps | 56 Gbps | 56 Gbps | 104 Gbps |
| Switching Capacity with Stacking | 104 Gbps | 832 Gbps | 112 Gbps | 112 Gbps | 104 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 12 lbs | 17 lbs | 12 lbs | N/A | 13.2 lbs |
| Width | 17 inches | 17.3 inches | 17.3 inches | 17 inches | 17.32 inches |
Reviews & Ratings
F
Farhan Iqbal
4
Works well in fiber heavy environments.
C
Clive Morton
5
Stable switching with good port density.
S
Shan Ali
5
No downtime observed so far.
V
Victor Newman
5
Reliable managed switch for enterprise use.
Questions & Answers
What is the D-Link DGS-3120-24SC managed switch?
The DGS-3120-24SC is a pure L3 rack-mount switch featuring 16 Gigabit SFP optical ports, 8 Gigabit optical multiplexing ports, and advanced network management capabilities.
How many Gigabit SFP ports does the DGS-3120-24SC offer?
It provides 16 dedicated Gigabit SFP optical ports plus 8 Gigabit optical multiplexing ports for flexible fiber connectivity.
What is the switching capacity of the DGS-3120-24SC?
This switch delivers 336 Gbps of switching capacity standalone and can scale up to 3.36 Tbps in a 10-unit stack.
What packet forwarding rate does the DGS-3120-24SC support?
It supports up to 96 Mpps in standalone mode and up to 126 Mpps when stacked for high-performance traffic forwarding.
Does the DGS-3120-24SC support Layer 3 routing?
Yes, it is a pure Layer 3 switch supporting static routing, RIP, OSPF, VRRP and advanced L3 features.
Can the DGS-3120-24SC function as a DHCP server?
Yes, it includes a built-in DHCP server to automate IP address assignment for connected clients.
What form factor is the DGS-3120-24SC?
The DGS-3120-24SC is a 1RU rack-mount switch designed for standard 19-inch racks.
Which management interfaces are available on the DGS-3120-24SC?
It offers web GUI, CLI (console/telnet/SSH), SNMP v1/v2c/v3, RMON, sFlow and D-View 7 support.
What redundancy and resiliency protocols does it support?
It supports STP, RSTP, MSTP, LACP, VRRP and redundant stacking to ensure continuous uptime.
Which fiber modules are compatible with the DGS-3120-24SC?
It supports standard 1000BASE-SX/LX/ZX SFP modules with LC connectors, including D-Link’s SFP lineup.
Is the DGS-3120-24SC stackable?
Yes, you can stack up to 10 units using optional stacking modules to simplify management and expand capacity.
What routing protocols does the DGS-3120-24SC support?
It supports static routing, RIP v1/v2, OSPF, and VRRP for versatile IP routing deployments.
How does the DGS-3120-24SC enhance network security?
It provides ACLs, 802.1X port authentication, DHCP snooping, IP-MAC-ARP binding and DoS protection.
What energy-efficiency features are included?
It incorporates D-Link Green energy saving, IEEE 802.3az Energy-Efficient Ethernet and temperature-controlled fans.
Which deployment scenarios are ideal for the DGS-3120-24SC?
It is ideal for campus backbone, data center access/distribution and metro fiber networks requiring L3 switching.
What warranty and support options are available?
D-Link offers a lifetime limited hardware warranty with next-business-day advance replacement and 24x7 technical support.