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Silver rackmount network switch with 48 copper ports and four uplink slots

HPE Juniper Networking

HPE Juniper Networking EX4300-48T-SProduct 48-port Layer 3 network switch

SKU CH-VV3J-2TEAC MPN EX4300-48T-SProduct

48-port Layer 3 switch with 48 Gigabit Ethernet ports and four 40 Gigabit uplink slots, supporting Virtual Chassis stacking of up to 10 units

  • FormatRackmount
  • Network Management TypeLayer 3 Switch
  • Uplink InterfaceSFP
  • Primary Ports48 x Gigabit Ethernet Network 4 x 40 Gigabit Ethernet Expans
  • Primary Port Speed10/100/1000Base-T 40GBase-X
  • Uplink SpeedSFP
  • Layer 3 routing handles complex traffic with 48 Gigabit ports
  • Virtual Chassis technology scales to 10 switches as one device
  • 40 Gigabit uplinks deliver high-speed aggregation links
  • 48-port density fits dense rack deployments efficiently
  • Carrier-class reliability supports data centre and campus networks

Product Identity

The Juniper EX4300-48T-S is a 48-port Layer 3 Ethernet switch built for rackmount deployment in enterprise networks. It suits network engineers who need scalable switching with virtual chassis capability for data centre, campus or branch environments.

Deciding Specification

The switch provides 48 Gigabit Ethernet ports plus four 40 Gigabit Ethernet expansion slots for high-speed uplinks. That port density and uplink capacity determine whether the unit matches your aggregation or access-layer design.

Bundled Impact

The Virtual Chassis feature lets up to 10 switches operate as a single logical device, simplifying management and allowing pay-as-you-grow expansion without additional licensing complexity.

Highlights

  • Layer 3 routing handles complex traffic with 48 Gigabit ports
  • Virtual Chassis technology scales to 10 switches as one device
  • 40 Gigabit uplinks deliver high-speed aggregation links
  • 48-port density fits dense rack deployments efficiently
  • Carrier-class reliability supports data centre and campus networks

Specifications

BrandJuniper
SeriesEX4300
FormatRackmount
Network Management TypeLayer 3 Switch
Uplink InterfaceSFP
Primary Ports48 x Gigabit Ethernet Network 4 x 40 Gigabit Ethernet Expansion Slot
Primary Port Speed10/100/1000Base-T 40GBase-X
Uplink SpeedSFP
ProtocolsHCRP, SPP

Questions about this item

How does the 48-port count translate when the switch is stacked in a real deployment?

Up to 10 EX4300 switches can be linked through Virtual Chassis and managed as one logical device, giving a single point of control for all connected ports.

What does the 40 Gigabit uplink interface actually cap in practice?

The four expansion slots accept 40GBase-X modules, so aggregate uplink throughput is limited by the number and type of transceivers installed.

What physical space does the rackmount chassis need to fit?

The unit is a rackmount form factor designed for standard equipment racks.

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