Juniper EX4300-32F Enterprise Fiber Switch with Virtual Chassis Technology

The Juniper EX4300-32F is designed for organizations that need reliable fiber switching in a compact enterprise platform. It is a strong fit for campus aggregation, branch networks, service provider environments, and teams upgrading their enterprise switching hardware without the cost of buying new equipment. 

With support for SFP, SFP+, and QSFP+ connectivity, this switch gives IT teams flexible options for 1G, 10G, and 40G network designs. It can be paired with compatible fiber transceivers and high-speed network cables to support fiber access, uplinks, and aggregation across enterprise environments. 

Key benefits

• High-density fiber switching for enterprise environments.
• 10G and 40G uplinks for aggregation.
• Virtual Chassis support for easier scaling.
• Compact 1U design for standard racks.
• Refurbished option for lower hardware cost.
• Tested and verified before shipment.

Technical specifications

Best use cases

Enterprise campus networks

Use the EX4300-32F for fiber access and aggregation across buildings, floors, and network closets.

Data center edge

Deploy the switch where compact fiber switching, 10G uplinks, and 40G connectivity are needed.

Service provider networks

Use it for customer handoff, managed network services, and fiber aggregation deployments.

What’s included

• Juniper EX4300-32F switch
• Installed power supply
• Installed fans
• Rackmount hardware, if listed
• Power cord, if listed

Note: Optics and transceivers are sold separately unless they are specifically included in the order.

Condition & Testing

This product is refurbished. Each unit is inspected, cleaned, tested, and verified before shipment. It is suitable for businesses that need reliable Juniper switching hardware at a lower cost than purchasing new equipment.

For long-term maintenance, teams can pair this switch with replacement power supplies and network cabling accessories when building spare inventory for enterprise deployments.

✓ Power-on tested

✓ Port-tested

✓ Cleaned and inspected

✓ Serial number recorded

FAQs

What is the Juniper EX4300-32F?

The Juniper EX4300-32F is a 1U enterprise fiber switch with 32 SFP ports, 4 10G SFP+ ports, and 2 40G QSFP+ ports. It is commonly used for campus fiber access, aggregation, data center edge, and service provider networks.

Is the EX4300-32F a Layer 3 switch?

Yes. The EX4300-32F is part of Juniper’s EX Series enterprise switching line and supports Layer 2 and Layer 3 switching features through Junos OS.

Does the EX4300-32F support 10G?

Yes. The switch includes 4 fixed 10GBASE-X SFP+ ports. These can be used for uplinks, aggregation, or high-speed network connections.

Does it support 40G?

Yes. The EX4300-32F includes 2 fixed 40GBASE-X QSFP+ ports for high-speed uplink or aggregation use.

Are optics included?

Optics are sold separately unless they are clearly listed in the product configuration. Always confirm included accessories before ordering.

Is this product new or refurbished?

This listing is for a refurbished Juniper EX4300-32F switch. The unit is tested and verified before shipment.