Price from
999999.99 USD
999999.99 USD
D-Link xStack 24-port SFP Layer 2+ Stackable Managed Gigabit Switch DGS-3420-28SC
D-Link (0790069364501 / DGS-3420-28SC) - AC input frequency: 50 - 60 Hz - AC input voltage: 100 - 240 V - Basic switching RJ-45 Ethernet ports quantity: 4 - SFP module slots quantity: 24 - Broadcast storm control
Stores where to buy this product
Sponsored This site contains affiliate links for which we may receive compensation. More information
This product has not been found in any sponsored store recently, please check similar products from our sponsors or review other stores we offer where you may find the product.
Other stores where to find this product
Offers marked with this badge are promoted without sponsorship, although we try to keep prices up to date, these results are not updated daily like sponsored results. Please check the final price on the offer link.
connectixcablingsystems.com
Similar products
D-Link xStack 24-port SFP Layer 2+ Stackable Managed Gigabit Switch DGS-3420-28SC
The DGS‑3420‑28SC is a high‑performance, stackable managed switch designed for enterprise and data‑center environments that require reliable Layer 2 connectivity with advanced features. With 24 SFP slots, four combo RJ45/SFP ports, and an additional four SFP+ ports, this device delivers flexible uplink options while maintaining robust local network performance.
Key Design Highlights
- Stackable Architecture: Supports up to 8 switches in a single stack, providing seamless scalability and simplified management.
- Compact Rack‑Mountable Form Factor: Height of 44 mm and width of 441 mm make it ideal for dense rack deployments.
- Power Efficiency: Operates on 100–240 V AC, 50–60 Hz with a noise level of only 46.5 dB, ensuring quiet operation in server rooms.
- Durable Construction: Certified to FCC Class A, CE Class A, VCCI Class A, IC, and C‑Tick standards for worldwide compliance.
Port Configuration & Connectivity
The switch offers a versatile mix of ports:
- 24 SFP slots: Support 1000Base‑T or 10GBase‑SR/ER fiber modules, enabling high‑speed uplinks.
- 4 Combo RJ45/SFP ports: Provide both copper Gigabit Ethernet and SFP connectivity on the same port.
- 4 SFP+ slots: Allow for 10 Gbps uplink capacity when paired with appropriate transceivers.
Performance & Capacity
The DGS‑3420‑28SC delivers a switching capacity of 128 Gbit/s, supported by a generous packet buffer memory of 2 MB. Its MAC address table can hold up to 16,000 entries, ensuring efficient handling of large broadcast domains.
Advanced Layer 2 Features
- VLAN Support: IEEE 802.1Q and 802.1p tagging for traffic segmentation and prioritization.
- Spanning Tree Protocol (STP): Includes RSTP and MSTP to prevent loops in redundant topologies.
- IGMP Snooping & Multicast Support: Optimizes multicast distribution across the network.
- Link Aggregation (IEEE 802.3ad): Combines multiple physical links into a single logical link for increased bandwidth and redundancy.
- Port Mirroring: Facilitates traffic analysis and troubleshooting without impacting live traffic.
Security & Management
The switch is fully managed, offering comprehensive configuration options via web interface or CLI. Security features include:
- MAC Address Filtering: Restricts access to authorized devices.
- DHCP Server & Client: Simplifies IP address management within the LAN.
- SSL/TLS Encryption: Protects management traffic against eavesdropping and tampering.
Reliability & Quality of Service
- Broadcast Storm Control: Prevents network congestion caused by excessive broadcast traffic.
- Flow Control Support: Ensures smooth data flow between devices, reducing packet loss.
- Jumbo Frames (up to 9 kB): Enhances throughput for large payloads such as storage traffic.
Physical Specifications
| Dimension | Height: 44 mm | Width: 441 mm | Depth: 310 mm |
|---|---|
| Weight | 4.06 kg |
| Power Input | 100–240 V AC, 50–60 Hz |
| Noise Level | 46.5 dB |
| Certification | FCC Class A, CE Class A, VCCI Class A, IC, C‑Tick |
Ideal Deployment Scenarios
- Enterprise LANs: Provides scalable, high‑density connectivity for office buildings.
- Data Centers: Stackable design supports growth without additional management overhead.
- Campus Networks: Flexible uplink options accommodate fiber or copper backbones.
The D-Link xStack 24‑port SFP Layer 2+ Switch DGS‑3420‑28SC combines robust performance, advanced Layer 2 features, and a compact, rack‑mountable form factor to meet the demanding needs of modern network infrastructures. Its stackability, extensive port options, and comprehensive management capabilities make it an excellent choice for organizations seeking reliable, scalable connectivity without compromising on security or efficiency.
| This product in Comparor | |
|---|---|
|
Category
This product is cataloged in our store in these categories
|
|
|
International
Find this product in one of our international stores
|
 1449.77 EUR   |
| Colors
Predominant colors of the product |
|
| 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. |
| Model | D-Link DGS-3420-28SC |
| MPN | D-Link DGS-3420-28SC |
| ID | 4955339 |
| Dimensions / Weight | |
| Key Features | |
|
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.
|
No |
|
AC input frequency The frequency of the alternating current supplied to the device, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the product.
|
50 - 60 Hz |
|
AC input voltage The alternating current voltage range that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device.
|
100 - 240 V |
|
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.
|
4 |
|
Broadcast storm control Indicates whether a network device includes a feature that limits the amount of broadcast traffic to prevent network congestion and potential outages caused by excessive broadcast packets.
|
Yes |
|
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.
|
FCC Class A, CE Class A, VCCI Class A, IC, C-Tick |
|
Compatible memory cards List of the memory card types that a device can read or write, such as MicroSD (TransFlash), SD, MMC, CompactFlash, and others. Each value represents a format that the device’s slot or reader supports for storage expansion.
|
SD |
|
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.
|
Wired |
|
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.
|
310 mm |
|
DHCP features A comma‑separated list of the DHCP roles and options that a device can provide or use, such as server, client, relay, snooping, option 82 support, and IPv6 variants. The value may contain multiple items for a single product.
|
DHCP server,DHCP client |
|
Ethernet LAN data rates Maximum theoretical speed at which a device can send or receive data over its Ethernet LAN interface, expressed in megabits per second (Mbps) or gigabits per second (Gbps). It represents the upper bound of throughput under optimal conditions and is useful for comparing network performance between devices with wired connectivity.
|
10,100,1000 Mbit/s |
|
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.
|
Yes |
|
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.
|
Yes |
|
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.
|
44 mm |
| IGMP snooping | Yes |
|
IP routing Indicates whether the product can perform IP routing, forwarding packets between networks based on destination addresses.
|
Yes |
| Jumbo frames support | Yes |
|
Link aggregation Indicates whether the device can combine multiple network connections into a single logical link to increase bandwidth or provide redundancy.
|
Yes |
|
MAC address filtering Indicates whether the device supports filtering network traffic based on MAC addresses. When enabled, the device can allow or block communication for specific devices identified by their MAC address.
|
Yes |
|
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.
|
16000 entries |
|
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.
|
1 Gbit/s |
|
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.
|
Yes |
|
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.
|
46.5 dB |
|
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.
|
510 mm |
|
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.
|
125 mm |
|
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.
|
450 mm |
|
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.
|
2 MB |
|
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.
|
110 cm |
|
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.
|
120 cm |
|
Port mirroring Indicates whether the device supports port mirroring, a feature that allows one or more ports to copy traffic from another port for monitoring or analysis purposes.
|
Yes |
|
Rack mounting Indicates whether a product is designed to be mounted in a rack system. The value can be "Yes" or "No", or it may specify the height occupied by the device using rack units (U) such as "1U", "2U", or a numeric measurement with unit, e.g., "61.25 mm".
|
Yes |
|
Safety A list of safety and regulatory certifications that a product complies with, such as CE, UL, FCC, or other regional standards.
|
CB, cUL, LVD |
|
Security algorithms Una lista de los algoritmos criptográficos y protocolos de seguridad que el producto soporta, como cifrado (AES, WEP), autenticación (WPA2-PSK, EAP-TLS) o protocolos de red (HTTPS, SSH). Cada elemento describe un algoritmo individual; la lista puede contener varios valores separados por comas.
|
SSL/TLS |
|
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.
|
24 |
|
Spanning Tree Protocol Indicates whether the device implements the Spanning Tree Protocol (STP), a network protocol that prevents loops in Ethernet topologies by dynamically blocking and forwarding paths to maintain a loop‑free logical topology.
|
Yes |
|
SSH/SSL support Indicates whether the device can establish secure connections using SSH or SSL protocols, allowing encrypted remote management and data transfer.
|
No |
| Supported data transfer rates | 10/100Mbps, 10/100/1000Mbps |
|
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.
|
Managed |
|
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.
|
128 Gbit/s |
|
VLAN support Indicates whether the device can configure and manage Virtual LANs (VLANs) for network segmentation and traffic isolation. A value of "Yes" means the product supports VLAN tagging, creation, and management; a value of "No" indicates it does not provide this capability.
|
Yes |
|
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.
|
4.06 kg |
|
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.
|
441 mm |
Related articles
D-Link (9789800333464 / DGS-1210-10P) - AC input frequency: 50/60 Hz - AC input voltage: 100 - 240 V - ARP inspection - Auto MDI/MDI-X - Auto-negotiation - Flow control support - Full Duplex - IGMP snooping | Smart PoE Switch
D-Link (0790069410109 / DGS-1100-26) - AC input frequency: 50 - 60 Hz - AC input voltage: 100 - 240 V - Basic switching RJ-45 Ethernet ports quantity: 26 - SFP module slots quantity: 2 - Broadcast storm control | D-Link DGS-1100-26
D-Link (9789800333464 / DGS-1210-10P) - AC input frequency: 50/60 Hz - AC input voltage: 100 - 240 V - ARP inspection - Auto MDI/MDI-X - Auto-negotiation - Flow control support - Full Duplex - IGMP snooping | Smart PoE Switch
