D-Link DGS-3120-24TC 24-Port xStack Layer 2 Stackable Gigabit Switch
Elevate your network with the D-Link DGS-3120-24TC, a 24-port Layer 2 stackable Gigabit switch. Achieve seamless scalability and high performance for small to medium businesses through easy stacking capabilities
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D-Link DGS-3120-24TC is a high‑performance, Layer 2 managed switch designed for enterprise and data‑center environments that demand scalability, reliability, and advanced networking features.
Core Design & Architecture
The switch is built on a robust L2+ architecture, delivering a total switching capacity of 88 Gb/s. With 20 standard RJ‑45 ports and an additional 4 combo SFP/SFP+ slots, it supports both copper and fiber connectivity within the same chassis. The device is fully stackable (xStack), allowing up to eight units to operate as a single logical switch with seamless redundancy.
Port Configuration & Performance
- 20 RJ‑45 Ethernet ports – 10/100/1000 Mbps, full duplex, flow‑control enabled.
- 4 combo SFP/SFP+ slots – support for 1 Gb/s fiber or 10 Gb/s uplinks when using compatible modules.
- Maximum data transfer rate of **1 Gb/s** per port, with a total throughput that scales linearly across the stack.
- Supports Jumbo frames (up to 9 kB) for efficient large‑payload traffic such as storage or video streaming.
Advanced Layer 2 Features
The DGS-3120-24TC offers a comprehensive set of Layer 2 capabilities that are essential for modern networks:
- VLAN support up to 4,000, enabling granular segmentation and traffic isolation.
- MAC address table with 16,000 entries, ensuring fast lookup and minimal collision domains.
- IGMP snooping for optimized multicast delivery in VoIP or IPTV deployments.
- Quality of Service (QoS) policies to prioritize latency‑sensitive traffic.
- Full link aggregation (LAG) support, allowing bandwidth pooling and redundancy across multiple links.
Security & Management
Security is a cornerstone of the DGS-3120-24TC’s design. It incorporates:
- ACL (Access Control Lists) for fine‑grained traffic filtering.
- Support for SSH/SSL, ensuring encrypted management sessions.
- Comprehensive SNMP v1/v2c/v3 support, enabling integration with network monitoring and automation tools.
- Built‑in RADIUS authentication for secure user access to the switch’s web interface.
- Telnet and HTTP/HTTPS management interfaces for flexible administration.
Power & Environmental Specifications
The device is engineered for energy efficiency and reliability:
- Typical power consumption: 40.5 W, with a maximum of 935.1 W under full load (including PoE if enabled).
- Operates within a temperature range of **0 °C to 50 °C** and tolerates storage temperatures from **-40 °C to +70 °C**.
- Humidity tolerance: **10–90 % RH** during operation, **5–90 % RH** for storage.
- Noise level of **49.8 dB**, suitable for office and data‑center environments.
Physical Dimensions & Build Quality
The switch’s compact footprint makes it ideal for dense deployments:
- Height: 44 mm, Width: 440 mm, Depth: 210 mm.
- Weight of **2.57 kg** per unit, facilitating easy rack mounting.
- Constructed with a durable black chassis and certified for safety standards such as CB, cUL, LVD, ensuring compliance across regions.
Reliability & Warranty
The DGS-3120-24TC boasts an impressive mean time between failures (MTBF) of over **561 million hours**, reflecting its robust design and high-quality components. The switch is engineered to maintain uptime in critical network segments.
Use Cases & Deployment Scenarios
This switch excels in a variety of environments:
- Enterprise LANs requiring VLAN segmentation, QoS, and secure management.
- Data‑center edge or aggregation layers where stackability and high port density are essential.
- Campus networks that demand scalable connectivity across multiple buildings.
- Industrial control systems where reliable Ethernet communication is mandatory.
Conclusion
D-Link DGS-3120-24TC delivers a blend of high throughput, advanced Layer 2 features, and robust security in a compact, stackable form factor. Its extensive management capabilities, energy efficiency, and proven reliability make it an ideal choice for organizations looking to build or expand resilient network infrastructures.
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Category
This product is cataloged in our store in these categories
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- Network hubs and switches devices |
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International
Find this product in one of our international stores
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 547.62 EUR    3.12 EUR |
| Colors
Predominant colors of the product |
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| Tags | Gigabit Ports Stackable Gigabit Stacking ports |
| Identifiers | |
| Brand |  D-Link is a Taiwanese networking equipment manufacturer that produces a wide range of products for the consumer, small business, and enterprise markets. Some of their most popular products include wireless routers, switches, and network attached storage devices. D-Link has a strong reputation for quality and reliability, and their products are often praised for their feature-richness and ease of use. |
| MPN | D-Link 5843812 |
| ID | 18538937 |
| Dimensions / Weight | |
| Key Features | |
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10g support Indicates whether the product supports 10 Gigabit Ethernet (10 GbE) connectivity, either through dedicated 10 GbE ports or via SFP+ modules that enable 10 GbE operation.
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Yes |
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Basic switching RJ-45 Ethernet ports quantity Indicates the total count of physical RJ‑45 Ethernet connectors available on a device for wired network connectivity. The value is an integer representing how many separate ports can be used to connect Ethernet cables.
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20 |
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Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.
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FCC A, CE A, VCCI A, IC, C-Tick |
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Connectivity technology The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.
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Wired |
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Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.
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210 mm |
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Flash memory The total amount of internal flash memory available in a device, expressed as a data size (e.g., megabytes or gigabytes). This attribute indicates how much data can be stored on the device’s built‑in flash storage.
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32 MB |
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Flow control support Indicates whether a device includes hardware or firmware that can manage the flow of data on its interfaces, such as enabling or disabling automatic pause frames, handling congestion, or providing other traffic‑control mechanisms. A value of "Yes" means the feature is present and can be configured; "No" indicates it is not available.
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Yes |
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Full Duplex Indicates whether a device can transmit and receive data simultaneously on two channels, allowing bidirectional communication without delay. A value of "Yes" means the device supports full‑duplex operation; a value of "No" indicates it operates only in half‑duplex mode.
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Yes |
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Heat dissipation The amount of thermal energy a product can dissipate, expressed in a standard unit such as BTU per hour or watts. It indicates the cooling requirement and helps compare how much heat the device generates during operation.
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138105 BTU/h |
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Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.
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44 mm |
| IGMP snooping | Yes |
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Input frequency The frequency of the alternating current supplied to a power supply or charger, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the device, ensuring proper functionality and safety.
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50/60 Hz |
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Input voltage The range of alternating current voltage that a charger or power supply can accept, expressed in volts (V). It specifies the minimum and maximum input voltages compatible with the device.
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100 - 240 V |
| Jumbo frames support | Yes |
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MAC address table The total count of unique MAC addresses that the device can store in its forwarding table. This value indicates how many devices can be simultaneously connected before the switch must start discarding or aging out older entries.
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16000 entries |
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Management protocols A list of network protocols that a device can use for configuration, monitoring and remote management, such as SNMP, HTTP/HTTPS, Telnet, SSH or other standard interfaces. Each protocol is represented by its common name and may be separated by commas or slashes in the source data.
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Telnet, SNMP v1/v2c/v3 |
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Maximum data transfer rate The highest theoretical speed at which a device can send or receive data, expressed in bits per second (bps) or its multiples such as kbps, mbps, gbps, etc. This value represents the upper bound of throughput under optimal conditions and is useful for comparing performance across devices and interfaces.
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1 Gbit/s |
| Mean time between failures | 561829573 h |
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Multicast support Indicates whether the device can send or receive IP multicast traffic, allowing it to participate in group communications such as streaming media, IPTV, and certain network protocols that rely on multicast distribution.
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Yes |
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Networking features A list of the networking protocols and standards that a device can support or comply with, such as IEEE 802.11 variants for wireless, IEEE 802.3 for Ethernet, or other relevant networking specifications. The values are typically separated by commas and may include both technical identifiers and consumer‑friendly labels.
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Gigabit Ethernet |
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Noise level The sound intensity produced by a product, expressed in decibels (dB) or sones. It indicates how loud the device is during operation and helps users assess suitability for quiet environments.
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49.8 dB |
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Operating relative humidity The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.
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10 - 90 % |
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Package depth The linear measurement from front to back or top to bottom of a product’s packaging, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the packaged item is and can be used for fitting, compatibility, or spatial planning.
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511 mm |
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Package Height The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.
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91 mm |
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Package width The horizontal measurement of a product’s packaging, expressed in a linear unit such as millimetres or inches. It indicates how wide the package is from one side to the other and helps customers assess fit for storage, shipping, or display.
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348 mm |
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Packet buffer memory The amount of temporary storage that a device allocates in its internal memory for buffering data before processing or forwarding it. Expressed as a digital capacity (e.g., kilobytes, megabytes), this value indicates how much information the hardware can hold at once and influences performance when handling high‑throughput or bursty traffic.
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2 MB |
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Pallet length The linear dimension of a pallet measured in a standard unit such as meters, centimeters or inches. It represents the overall length from one end to the other and is used to compare the size of pallets across different products and logistics contexts.
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110 cm |
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Pallet width The horizontal measurement of a pallet, expressed in a linear unit such as millimetres or inches. It indicates how wide the pallet is from one side to the other and helps customers assess fit for storage, shipping, or display.
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120 cm |
| Power consumption | 40.5 W |
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Quantity per shipping (inner) case The count of individual units that are packaged together inside a single inner shipping case for transport or sale. It indicates how many separate pieces are included in each case, regardless of product type.
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3 pc(s) |
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Safety A list of safety and regulatory certifications that a product complies with, such as CE, UL, FCC, or other regional standards.
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CB, cUL, LVD |
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SFP module slots quantity The total count of Small Form‑factor Pluggable (SFP) ports available on a networking device, such as switches or routers. Each port can accept an SFP transceiver module for fiber or copper connections, allowing the device to support additional network interfaces.
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4 |
| Shipping (inner) case gross weight | 13.7 kg |
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Shipping (inner) case height The vertical dimension of the inner case or packaging measured from its lowest to highest point, expressed in a physical unit such as millimetres, centimetres or inches. It applies to any product where the internal dimensions of the shipping or protective case are relevant.
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38.3 cm |
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Shipping (inner) case length The linear dimension of the inner case or enclosure of a product, measured in a standard unit such as meters, centimeters or inches. It represents the overall length of the internal space available for components or accessories and is useful for comparing sizes across similar items.
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52.9 cm |
| Shipping (inner) case net weight | 9.75 kg |
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Shipping (inner) case width The horizontal dimension of a product’s inner case or enclosure, measured in a linear unit such as millimetres or inches. It indicates how wide the interior space is from one side to the other and is used for sizing, fitting, and compatibility purposes with components that must fit inside the case.
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29.6 cm |
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SSH/SSL support Indicates whether the device can establish secure connections using SSH or SSL protocols, allowing encrypted remote management and data transfer.
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Yes |
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Storage relative humidity The range of relative humidity (expressed as a percentage) within which the storage device is designed to operate reliably. Values are given as a minimum–maximum interval such as "10 - 90 %" and indicate the acceptable environmental moisture level for optimal performance.
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5 - 90 % |
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Storage temperature The range of temperatures in which a device can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.
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-40 - 70 °C |
| Supported data transfer rates | 10/100/1000 Mbps |
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Switch type The classification of a network switch based on its management capabilities, such as Managed or Unmanaged. This attribute indicates whether the device can be configured and monitored remotely (Managed) or operates with fixed settings without remote configuration (Unmanaged). It helps users choose a switch that matches their networking expertise and control requirements.
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Managed |
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Switching capacity The maximum data transfer rate that the device can handle, expressed as a numeric value with an appropriate unit such as Gbit/s or Mbit/s. This attribute indicates how quickly data can be transmitted through the device and helps users compare networking performance across products.
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88 Gbit/s |
| VLANs | 4000 |
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Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
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2.57 kg |
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Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.
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440 mm |
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