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Silver 1U rackmount switch with 48 copper ports and six uplink cages

HPE Juniper Networking

HPE Juniper Networking EX3400-48T 48-port Layer 3 network switch

SKU CH-X1FD-PRYPE MPN EX3400-48T

48-port Layer 3 managed switch with four 10 GbE and two 40 GbE uplinks, 120 W max power, 1U rackmount

  • Switch TypeLayer 3 Switch
  • FormatRackmount
  • Primary Ports48 x Gigabit Ethernet Network 4 x 10 Gigabit Ethernet Stack
  • VLAN SupportYes
  • Jumbo Frames9216 bytes
  • ProtocolsHCRP, SPP
  • 48 Gigabit ports connect many wired devices
  • Two 40 GbE uplinks deliver high-speed backbone links
  • Layer 3 routing handles inter-VLAN traffic locally
  • 1 U rackmount fits standard cabinets
  • 120 W max draw keeps power costs low

48-port Layer 3 switch for enterprise access

The HPE Juniper EX3400-48T is a fixed-configuration Layer 3 switch built for converged data, voice and video enterprise access networks. It delivers 48 Gigabit Ethernet ports alongside four 10 Gigabit Ethernet and two 40 Gigabit Ethernet uplink interfaces for high-volume traffic aggregation. Virtual Chassis technology allows up to 10 units to be managed as a single logical device. The 1U rackmount form factor suits standard cabinet deployments.

Thermals noise and power in normal use

Maximum system power consumption is rated at 120 W while the internal supply is rated at 150 W, giving headroom for full port utilisation without external power bricks. The compact 1U chassis uses internal airflow designed for data-centre hot-aisle or cold-aisle layouts. Junos OS provides real-time temperature and fan-speed telemetry so administrators can set thresholds and receive alerts before thermal limits are reached.

Bundled software capabilities that change operations

Juniper’s Virtual Chassis feature merges up to 10 switches into one management plane, reducing configuration overhead and eliminating the need for separate stacking cables. Junos Fusion Enterprise support lets the EX3400 operate as a satellite device, extending a single logical fabric across hundreds of access ports. Built-in QoS, VLAN and SNMP tools enable traffic prioritisation and monitoring without extra licences, while jumbo-frame support up to 9216 bytes improves throughput for storage and backup workloads.

Highlights

  • 48 Gigabit ports connect many wired devices
  • Two 40 GbE uplinks deliver high-speed backbone links
  • Layer 3 routing handles inter-VLAN traffic locally
  • 1 U rackmount fits standard cabinets
  • 120 W max draw keeps power costs low

Specifications

BrandJuniper Networks, Inc.
ModelEX3400-48T
Switch TypeLayer 3 Switch
FormatRackmount
Primary Ports48 x Gigabit Ethernet Network
4 x 10 Gigabit Ethernet Stack
2 x 40 Gigabit Ethernet Stack
VLAN SupportYes
Jumbo Frames9216 bytes
ProtocolsHCRP, SPP
SNMPYes
QoSYes
PowerMax. System Power Consumption (W): 120W
Power Supply Rating (W): 150W
Dimensions1.72" x 17.40" x 13.80"
Shipping weight1.81 kg
Package size538 × 533 × 150 mm

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