D-Link DGS-1520-28MP/E 28-Port Smart Managed PoE+ Switch Gigabit Stackable 4x10G 4×2.5

The D-Link DGS-1520-28MP/E is a managed network switch designed for Layer 3 switching. It features 20 RJ-45 Ethernet ports that support Gigabit Ethernet with speeds of 10/100/1000 Mbps. The switch has a MAC address table capable of holding up to 16,384 entries and boasts a switching capacity of 140 Gbit/s. Additionally, it supports Power over Ethernet (PoE), making it suitable for powering connected devices such as IP cameras and wireless access points. The device is designed for rack mounting and has a compact form factor of 1U, allowing for easy integration into existing network infrastructures.

Management features

Switch type 
Switch type
Managed
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Switch layer 
Switch layer
L3
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Web-based management 
Web-based management
Yes
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Ports & interfaces

Basic switching RJ-45 Ethernet ports quantity 
Basic switching RJ-45 Ethernet ports quantity
20
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Basic switching RJ-45 Ethernet ports type 
Basic switching RJ-45 Ethernet ports type
Gigabit Ethernet (10/100/1000)
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2.5G Ethernet (copper) ports quantity 
4
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10G Ethernet (copper) ports quantity 
2
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SFP+ module slots quantity 
2
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Fiber ports quantity 
Fiber ports quantity
2
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Fiber optic connector 
Fiber optic connector
SFP+
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Network

10G support 
10G support
Yes
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Spanning tree protocol 
Yes
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Head-of-line (HOL) blocking 
Yes
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Auto MDI/MDI-X 
Auto MDI/MDI-X
Yes
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Link aggregation 
Yes
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Flow control support 
Yes
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VLAN support 
VLAN support
Yes
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Data transmission

Switching capacity 
Switching capacity
140 Gbit/s
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Forwarding rate 
104.16 Mpps
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MAC address table 
MAC address table
16384 entries
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Store-and-forward 
Yes
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Static route 
Yes
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Jumbo frames support 
Yes
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Jumbo frames 
12288
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Security

IGMP snooping 
Yes
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BPDU filtering/protection 
Yes
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Loop protection 
Yes
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Multicast features

Multicast Listener Discovery (MLD) snooping 
v1/v2
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Protocols

Routing protocols 
OSPF, RIP, RIPng, VRRP
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GARP VLAN Registration Protocol (GVRP) 
Yes
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Design

Rack mounting 
Rack mounting
Yes
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Stackable 
Stackable
Yes
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Form factor 
Form factor
1U
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Product colour 
Product colour
Black
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Performance

Physical stacking (units) 
8
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Virtual stacking (units) 
32
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Noise level 
Noise level
57.1 dB
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Mean time between failures (MTBF) 
Mean time between failures (MTBF)
333946 h
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Power

Power consumption (max) 
Power consumption (max)
453.3 W
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Power over Ethernet (PoE)

Power over Ethernet (PoE) 
Power over Ethernet (PoE)
Yes
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Power over Ethernet plus (PoE+) ports quantity 
20
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Total Power over Ethernet (PoE) budget 
370 W
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Operational conditions

Heat dissipation 
Heat dissipation
1545.8 BTU/h
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Weight & dimensions

Weight 
Weight
4.29 kg
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Logistics data

Harmonized System (HS) code 
85176990
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