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SKU: DGS-3420-28SC - D-Link - 20-Port 128Gb/s 10-Gigabit SFP+ Rack Mountable Gigabit - Ethernet Switch - Network Switch

SKU: DGS-3420-28SC - D-Link - 20-Port 128Gb/s 10-Gigabit SFP+ Rack Mountable Gigabit - Ethernet Switch - Network Switch

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Category: Network Switches
Availability: In Stock
Part Number: DGS-3420-28SC
Manufacturer: D-Link
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DGS-3420-28SC - D-Link - 20-Port 128Gb/s 10-Gigabit SFP+ Rack Mountable Gigabit - Ethernet Switch - Network Switch

Management features
Switch typeManaged
Quality of Service (QoS) supportYes
Multicast supportYes
Switch layerL2
Ports & interfaces
SFP module slots quantity24
SFP+ module slots quantity4
Basic switching RJ-45 Ethernet ports quantity4
Installed SFP modules quantity20
Installed SFP+ modules quantity20
Compatible memory cardsSD
SFP/SFP+ slots quantity24
Networking
Networking standardsIEEE 802.1D,IEEE 802.1p,IEEE 802.1Q,IEEE 802.1v,IEEE 802.1w,IEEE 802.1x,IEEE 802.3ad,IEEE 802.3ah,IEEE 802.3x
Full duplexYes
VLAN supportYes
Spanning tree protocolYes
Port mirroringYes
Link aggregationYes
IP routingYes
IGMP snoopingYes
Flow control supportYes
DHCP serverYes
DHCP clientYes
Broadcast storm controlYes
10G supportNo
Data transmission
MAC address table16000 entries
Supported data transfer rates10/100Mbps, 10/100/1000Mbps
Switching capacity128 Gbit/s
Jumbo frames supportYes
Maximum data transfer rate1 Gbit/s
Security
SSH/SSL supportNo
Security algorithmsSSL/TLS
MAC address filteringYes
IGMP snoopingYes
Access Control List (ACL)Yes
Design
SafetyCB, cUL, LVD
Colour of productBlack
StackableYes
CertificationFCC Class A, CE Class A, VCCI Class A, IC, C-Tick
Rack mountingYes
Performance
Packet buffer memory2 MB
StackableYes
Noise level46.5 dB
Mean time between failures (MTBF)300371 h
Power
AC input voltage100-240
AC input frequency50/60
Power consumption (typical)60.2 W
Technical details
Colour of productBlack
StackableYes
Noise level46.5 dB
Mean time between failures (MTBF)300371 h
Rack mountingYes
Power over Ethernet (PoE)
Power over Ethernet (PoE)Yes
Certificates
SafetyCB, cUL, LVD
CertificationFCC Class A, CE Class A, VCCI Class A, IC, C-Tick
Memory
Packet buffer memory2 MB
Operational conditions
Storage temperature (T-T)-40 - 70 °C
Storage relative humidity (H-H)5 - 90%
Operating temperature (T-T)0 - 50 °C
Operating relative humidity (H-H)10 - 90%
Weight & dimensions
Width441 mm
Depth310 mm
Height44 mm
Weight4.06 kg
Other features
Connectivity technologyWired
Packet transfer speed95.24Mpps
Ethernet LAN data rates10,100,1000 Mbit/s

  • No. of Ports: 20-Ports
  • Product Type: Ethernet
  1. Non-Returnable Items: Once an order is processed, products that do not fall under 3D memory categories are considered final sale. These items cannot be cancelled or returned, so we strongly recommend confirming specifications prior to purchase.

  2. Restocking Policy: In specific cases, a restocking fee of up to 25% may be applied. This depends on the product category and condition. Our team will always advise you in advance where applicable.

  3. Product Condition: Unless clearly stated as brand-new retail stock, all products are supplied in professionally refurbished condition. Each item is thoroughly tested to ensure reliable performance and quality assurance.

  4. Fast Dispatch & Availability: We aim to dispatch most orders within 24 hours, subject to stock availability. If you require urgent or same-day shipping, please contact our customer support team at (207) 993-8331 directly for expedited handling.

  5. Part Number Compatibility: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N) or FRU (Field Replaceable Unit) numbers. The item you receive may carry either designation, both of which are fully compatible and functionally equivalent.

  6. Warranty Coverage: All products include a 30-day limited warranty, covering replacement in the event of DOA (Dead on Arrival) items with the same part number. Selected storage devices may qualify for an extended 90-day warranty—please confirm with our team before purchase. Additionally, manufacturer warranty options may intact for new product if any. 

  7. Drivers & Installation Media: As most products are supplied in bulk packaging, installation media such as CDs, drivers, or manuals may not be included. If required, please check availability with our sales team prior to ordering.

  8. Shipping Information: Standard shipping rates are automatically calculated for lightweight IT components such as memory and storage devices (under 5 lbs). For larger or heavier equipment—including servers, racks, and motherboards—shipping costs may vary. Our team will notify you if any adjustments are required. 

  9. Product Images Disclaimer: All images displayed are for reference purposes only. The actual product received may differ slightly in appearance while maintaining the same specifications and performance.

  10. Packaging Details: Some items may be delivered in bulk or non-retail packaging, especially for high-volume or consolidated orders. This ensures cost efficiency without compromising product quality.

  11. End-of-Life (EOL) Products: For discontinued or end-of-life products, we may supply an equivalent replacement with matching specifications, functionality, and compatible FRU where necessary.

  12. Refurbished Printers: Please note that refurbished printers may not include toner cartridges, or may be supplied with partially used consumables.

  13. Need Assistance? If you have any questions regarding product specifications, compatibility, warranty, or shipping, our team is here to help. Contact us at support@itnetworkstrade.co.uk or call us at (207) 993-8331 directly before placing your order to ensure a smooth purchasing experience.

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