Juniper EX4400-48F-AFI Ethernet Switch
Juniper

Juniper EX4400-48F-AFI Ethernet Switch

4.4

Best high-density fiber switch for scalable, AI-driven enterprise campus networks.

This switch is built for IT teams that want to offload the heavy lifting of network management to AI-driven automation. It trades manual configuration for deep, cloud-based visibility and security, making it an ideal choice for scaling enterprise networks without adding complexity to your daily operations.

Who it's for

  • Network architects managing high-density fiber optic environments
  • IT teams seeking streamlined, AI-driven network management
  • Enterprises requiring high-speed, resilient, and scalable infrastructure

Who should skip it

  • Budget-conscious organizations with limited capital expenditure
  • Small teams lacking specialized networking expertise
  • Facilities with strict power and cooling limitations

Performance breakdown

Cloud Management Integration

Mist AI integration sets the industry standard for intuitive network operations.

Excellent

Scalability Potential

Virtual Chassis stacking allows seamless expansion as your network demands grow.

Excellent

Security Robustness

MACsec AES256 encryption provides enterprise-grade protection for sensitive data traffic.

Excellent

Port Density

High-density fiber configuration handles demanding access layer requirements with ease.

Excellent

Power Delivery

Advanced PoE++ capabilities easily support power-hungry modern IoT and wireless devices.

Excellent

Telemetry Precision

Flow-based telemetry offers granular visibility into network anomalies and traffic patterns.

Excellent

Key Specs

Model

EX4400-48F-AFI

Ports

12 x 10GbE fiber access ports, 36 x 1GbE fiber access ports, 4 x 10GbE SFP+/25GbE SFP28 uplinks, 2 x 100GbE Virtual Chassis stacking ports

PoE Support

Yes, PoE++ (90W per port)

PoE Standards

802.3af/at/bt

Management

Cloud-managed via Juniper Mist Wired Assurance

Layer Support

Layer 2, Layer 3

Form Factor

Rack-mountable

Stacking

Up to 10-member Virtual Chassis

Security

MACsec AES256, Group-based policies (GBP)

Telemetry

Flow-based

Know before you buy

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