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Silver rack-mountable network switch with 48 front ports and four QSFP+ uplinks

HPE Juniper Networking

HPE Juniper Networking EX4300-48T 48-port managed network switch

SKU CH-MKEJ-7WFQ3

A 48-port managed switch with 10/100/1000 and 40 Gigabit QSFP+ uplinks, Virtual Chassis stacking for up to 10 units and redundant power supplies for high availability

  • 48 copper ports at 10/100/1000 Mbps for dense access connectivity
  • Four 40 Gbps QSFP+ uplinks enable high-speed aggregation
  • Virtual Chassis technology unifies up to 10 switches into one managed entity
  • 320 Gbps backplane capacity supports demanding campus and data-centre workloads
  • Redundant hot-swappable power supplies and replaceable fans maximise uptime

Purpose-built switch for dense access deployments

The EX4300-48T provides 48 ports of 10/100/1000 connectivity plus four 40 Gigabit QSFP+ uplinks in a rack-mountable chassis. It targets campus, branch and data-centre access layers where managed Layer 2 and Layer 3 switching is required. Front-to-back airflow suits standard server-room cooling.

Virtual Chassis scaling limit

Up to 10 EX4300 switches can be interconnected over the 40GbE QSFP+ ports to form a single logical device with a 320 Gbps backplane. The architecture caps the stack at 10 members, so larger fabrics need a different design. Inter-switch links consume the available QSFP+ ports.

Fixed port count decides fit

The unit ships with exactly 48 copper Gigabit ports and four 40G QSFP+ ports; no modular expansion slots exist. Buyers who need more copper density, additional uplink flexibility or different media types must select another platform.

How it compares

Measured against everything we stock in Ethernet & PoE Switches, at today’s prices. Recalculated every night.

Price $3,576.99
Pricier than about 85% of the 2,759 comparable items (median $482.99).

Specifications

Product
Model nameEX4300-48T

Questions about this item

Should I choose the 48-port model or a version with fewer ports?

The EX4300-48T provides 48 copper ports plus four 40 Gigabit QSFP+ uplinks; pick this model when you need the highest copper density in a single rack unit.

What does the 320 Gbps backplane figure mean for daily throughput?

The 320 Gbps Virtual Chassis backplane is the aggregate interconnect bandwidth when up to 10 switches are linked via their QSFP+ ports, not the per-port forwarding rate.

What do the 40 Gigabit QSFP+ ports actually cap in practice?

Each QSFP+ uplink runs at 40 Gbps and can be used for Virtual Chassis stacking or high-speed uplinks; the four ports together provide the 320 Gbps backplane when fully populated.

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