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Silver rack-mount network switch with 48 RJ-45 ports and SFP uplinks

ZyXEL

ZyXEL GS1920-48HPV2 48-port Gigabit PoE+ network switch 375W

SKU CH-S55C-GCPKX MPN GS1920-48HPV2

A managed 48-port Gigabit PoE+ switch with 375 W budget, six SFP uplinks and Nebula cloud or local control

  • Switch TypeManageable
  • FormatRack-mountable
  • Network MediaMedia Type Supported: Twisted Pair Optical Fiber Ethernet Te
  • Network Management TypeManaged
  • Uplink InterfaceTotal Number of Network Ports: 50 Modular: Yes Port/Expansio
  • Primary PortsTotal Number of Expansion Slots: 6.0 Expansion Slot Type: SF
  • 48 PoE+ ports power phones and cameras with 375 W total budget
  • 6 SFP uplinks add fibre links for backbone growth
  • NebulaFlex cloud or local management without licence fees
  • Smart fan design keeps 503 W switch quiet in office racks
  • Layer 4 switching handles advanced traffic policies for SMB networks

48-Port Gigabit PoE+ Switch with 375W Budget

The ZyXEL GS1920-48HPv2 is a rack-mountable smart managed switch delivering 48 PoE+ ports and two dedicated SFP uplinks. It supports cloud management through NebulaFlex or traditional standalone operation for flexible deployment. A 375W PoE budget powers dense installations of access points, cameras and VoIP phones. Smart fan design keeps acoustic levels low in office environments.

Suits SMB networks needing cloud-managed PoE density

IT teams who want licence-free cloud oversight with the option to revert to local management will benefit from the NebulaFlex architecture. The 48-port count and 375W budget fit mid-size deployments requiring both data and power over twisted pair. Buyers needing 10GbE uplinks, deeper PoE budgets beyond 375W, or fully fanless silent operation should consider other models.

375W PoE budget across 48 ports

Each port can supply up to 30W, and the total 375W budget determines how many high-draw devices can run simultaneously. Calculate the aggregate draw of your powered devices against this limit before purchase. The switch consumes up to 503W from the mains, so ensure the rack circuit can sustain that load.

Highlights

  • 48 PoE+ ports power phones and cameras with 375 W total budget
  • 6 SFP uplinks add fibre links for backbone growth
  • NebulaFlex cloud or local management without licence fees
  • Smart fan design keeps 503 W switch quiet in office racks
  • Layer 4 switching handles advanced traffic policies for SMB networks

Specifications

BrandZyXEL
ModelGS1920-48HPv2
Part NumberGS1920-48HPv2
Switch TypeManageable
FormatRack-mountable
Network MediaMedia Type Supported:
Twisted Pair
Optical Fiber
Ethernet Technology:
Gigabit Ethernet
Network Technology:
10/100/1000Base-T
1000Base-X
Network Management TypeManaged
Uplink InterfaceTotal Number of Network Ports:
50
Modular:
Yes
Port/Expansion Slot Details:
44 x Gigabit Ethernet Network
4 x Gigabit Ethernet TP/SFP Combo
2 x Gigabit Ethernet Expansion Slot
Primary PortsTotal Number of Expansion Slots:
6.0
Expansion Slot Type:
SFP (mini-GBIC)
Shared SFP Slot:
Yes
Number of SFP Slots:
6
Primary Port Speed16 gigabits_per_second
Switching MethodManaged
ProtocolsTCP/IP
LayerLayer Supported:
4
PoE Ports48-Port / 2x SFP / 375W PoE+
PowerPoE (RJ-45) Port:
Yes
PoE Budget:
375 W
Power Source:
Power Supply
Power Consumption:
503 W
Weight9.04 pounds
CertificationEnvironmentally Friendly:
Yes
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Temperature, 50 degrees_celsius
Features...
Package Contents48-port GbE Smart Managed PoE Switch
Power Cord
Rack Mounting Kit
Shipping weight4.10 kg
Package size432 × 432 × 51 mm

Questions about this item

Should I pick the 48-port 375 W model or a smaller 130 W version?

Choose the 375 W model when you need to power many 30 W devices simultaneously; the 130 W budget suits lighter loads with fewer PoE+ endpoints.

What does the 375 W PoE budget deliver across the 48 ports?

It supplies up to 30 W per port, so all 48 ports can run Class 4 devices as long as the total draw stays within 375 W.

How do the six SFP slots and 16 Gbps uplink speed limit real-world throughput?

The six SFP slots share bandwidth with the combo ports, and the 16 Gbps uplink capacity caps aggregate uplink traffic to that rate.

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