Cloud-managed with Mist AI Wired Assurance, supporting EVPN-VXLAN fabrics and Virtual Chassis up to 10 members. Traffic monitoring includes sFlow, IPFIX, and flow-based telemetry for AI-driven insights and automation.

What resiliency features are included?

Redundant internal load-sharing power supplies (ships with one 550W AC), redundant variable-speed fans, and back-to-front airflow. MACsec AES256 provides end-to-end encryption for secure operations.

What are the physical dimensions and weight?

1U rack-mountable form factor with dimensions 17.39 x 1.72 x 16.93 in (44.17 x 4.37 x 43 cm). Base weight is 6.7 kg without PSU or fans; fan module 0.12 kg, 550W AC PSU 0.8 kg.

Does it support security standards?

Yes, compliant with IEEE 802.3bt PoE++, 802.3bz Multigigabit, and MACsec AES256 for encryption. Group-based policies enable standards-based microsegmentation for secure enterprise deployments.

EX4400-24X-AFI - Juniper EX4400-24X-AFI 24x10GbE 2x100GbE Layer 3 Switch

Name: Juniper EX4400-24X-AFI 24x10GbE 2x100GbE Layer 3 Switch
Brand: Juniper
SKU: EX4400-24X-AFI

EX4400-24X-AFI - Juniper EX4400-24X-AFI 24x10GbE 2x100GbE Layer 3 Switch | US IT Hardware

Product overview

The Juniper EX4400-24X-AFI is a 1U Layer 3 Ethernet switch designed for enterprise campus and data center deployments. It features 24 x 10/100/1000BASE-T PoE++ ports delivering up to 90W per port and 2 x 100GbE QSFP28 uplink ports. Delivering 324 Gbps unidirectional and 648 Gbps bidirectional throughput, it supports 112,000 MAC addresses, 4093 VLANs, 80,000 IPv4 routes, and 40,000 IPv6 routes. Management includes Cloud-managed Mist AI Wired Assurance, EVPN-VXLAN, and Virtual Chassis up to 10 members. Resiliency is ensured with redundant load-sharing power supplies and variable-speed fans. Physical specs include back-to-front airflow, dimensions of 17.39 x 1.72 x 16.93 in, and weight of 6.7 kg base. Compliance covers IEEE 802.3bt PoE++, 802.3bz Multigigabit, and MACsec AES256, enabling secure, high-performance networking for access, distribution, and aggregation layers.

24x PoE++ ports up to 90W, 2x100GbE uplinks
648 Gbps bidirectional throughput, 112K MACs
Mist AI cloud-managed, Virtual Chassis x10
80K IPv4/40K IPv6 routes, 4093 VLANs
MACsec AES256, redundant PSU/fans
1U rack-mount, back-to-front airflow

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	EX4400-24X-AFI
Brand	Juniper
Condition	New
Model	EX4400-24X-AFI
Standards	IEEE 802.3bt PoE++; IEEE 802.3bz Multigigabit; MACsec AES256
Dimensions	17.39 x 1.72 x 16.93 in (44.17 x 4.37 x 43 cm)
Resiliency	Redundant power supplies; redundant variable-speed fans
Product Line	EX4400
Product Type	Layer 3 Ethernet Switch

Network & Communication

Compatible systems

No specific system or OS compatibility lists found in sources

Best for

Campus Access
Powers high-density PoE++ devices with 24 ports up to 90W each, supporting 10GbE speeds and Mist AI for automated assurance in enterprise wiring closets.
Data Center Top-of-Rack
Provides 2x100GbE QSFP28 uplinks and 648 Gbps bidirectional throughput for server connectivity, with MACsec AES256 encryption and EVPN-VXLAN fabrics.
Distribution Layer
Scales with Virtual Chassis up to 10 members, handling 112,000 MAC addresses and 80,000 IPv4 routes for aggregated campus or branch traffic.
Secure Branch Networking
Enables end-to-end encryption via MACsec AES256 and flow-based telemetry for anomaly detection in distributed enterprise environments.

Frequently asked questions

What ports does the EX4400-24X-AFI have?

Details

Shipping, warranty & returns

Customer reviews

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Throughput	324 Gbps unidirectional; 648 Gbps bidirectional

ARP Entries	24,000 ARP entries

IPv4 Routes	80,000 unicast/multicast routes

IPv6 Routes	40,000 unicast/multicast routes

Jumbo Frames	9216 bytes

Number of VLANs	4093 VLANs

MAC Address Table	112,000 MAC addresses

Management Interface	Cloud-managed with Mist AI Wired Assurance; EVPN-VXLAN; Virtual Chassis up to 10 members

Power Supplies	Redundant internal load-sharing; ships with one 550W AC power supply; supports back-to-front airflow

Physical Characteristics

Depth	16.93 in (43 cm)
Width	17.39 in (44.17 cm)
Height	1.72 in (4.37 cm)
Weight	6.7 kg (no power supply, fan module, or extension module installed); Fan module: 0.12 kg; 550W AC PSU: 0.8 kg
Rack Units	1 RU
Form Factor	Fixed 1U rack-mountable

Airflow	Back-to-front (AFI) with two fan modules

Interface/Ports

PoE Ports	24 ports delivering up to 90W per port
Network Ports	24 x 10/100/1000BASE-T PoE++ ports up to 90W per port; 2 x 100GbE QSFP28 uplink ports
Ethernet Speed	10GbE SFP+ access ports; 100GbE QSFP28 uplinks; supports MACsec AES256

Juniper EX4400-24X-AFI 24x10GbE 2x100GbE Layer 3 Switch