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Juniper EX4300-48T-DC 48x 1GB RJ-45 4x 40GB QSFP+ F-B Airflow (DC) Switch

Juniper EX4300-48T-DC 48x 1GB RJ-45 4x 40GB QSFP+ F-B Airflow (DC) Switch

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Cutoff Ground / 3 day / 2 day - 2pm PT, Cutoff Overnight - 5pm PT. Overnight orders after 4pm PT require approval. Call 800-430-6950 to confirm overnight orders after 4pm PT.
Condition: Seller refurbished
Pre-owned, tested by qualified techs, working, reset-to-factory default, grade A condition, and parts needed for normal functions are included (as described in the listing).
Warranty: 365 days
Warranty coverage period
SKU: NSH-4915
UPC: 832938063587


The Juniper EX4300-48T-DC switch is a powerful networking solution for data centers. With 48x 1GB RJ-45 and 4x 40GB QSFP+ ports, this switch provides excellent connectivity options. It supports DC airflow, making it suitable for deployment in various environments.

One standout feature of the EX4300-48T-DC is its impressive switching capacity of up to 496 Gbps, ensuring high-speed performance even during peak network usage. The forwarding rate is remarkable at up to 369 Mpps (million packets per second). This ensures efficient packet delivery throughout your network.

With a MAC address table size that can hold up to an impressive number of entries –64,000– the EX4300 guarantees seamless communication between devices by efficiently managing their addresses.

Juniper EX4300-48T-DC: 48-port 10/100/1000BASE-T + 550 W DC PS (QSFP+ DAC for Virtual Chassis ordered separately). Power supply, Power cord, and Fan modules are included. The uplink Module EX-UM-4X4SFP is not included. It can be ordered separately.


  • Network Ports : 48x 1 Gigabit Ethernet RJ-45
  • Uplink Ports : See "Stacking Ports"
  • Management Ports : 1x RJ-45, 1x Serial Console RJ-45, 1x USB
  • Stacking Ports : 4x 40 Gigabit Ethernet QSFP+ can be used as Virtual Chassis Ports (on rear of switch)
  • Module Slots and Options : 1x Uplink Module slot - No modules included - Ordered separately - EX-UM-4X4SFP
  • Fan Modules AirFlow Direction : 2x EX4300-FAN - Front-to-Back Airflow
  • Power Supplies Included : 1x JPSU-550-DC-AFO Power Supply Included - Front-to-Back Airflow - Second power supply is optional (ordered separately)
  • Switching Capacity : 496 Gbps
  • Forwarding Rate : 369 Mpps
  • MAC Address Table Size : 64,000
  • Rack Mounts : Included (1-RU)
  • Model Number : EX4300-48T-DC
  • Part Number : EX4300-48T-DC
  • Condition : Seller refurbished


  • One (1) Seller Refurbished Juniper EX4300-48T-DC 48x 1GB RJ-45 4x 40GB QSFP+ F-B Airflow (DC) Switch as described above
  • One (1) DC Power Supply Included
  • Two (2) Fan Module Included
  • One (1) Set of Rack Mount Brackets Included

Not Included

  • Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
    Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website
  • Transceiver Modules Not Included