Benefits of the EX4400 Switch

Jan 16, 2026

Cloud readiness-EX4400 switches are our first cloud-ready switches. You can deploy the switches and manage them by using Juniper Mist.

Support for Virtual Chassis-EX4400 switches support Virtual Chassis technology. You can interconnect up to 10 EX4400 switches to form a Virtual Chassis.

Support for channelization-You can channelize the QSFP28 ports on the EX4400 switch and increase the number of interfaces.

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Support for MACsec and EVPN-VXLAN architecture-EX4400 switches support IEEE 802.1AE Media Access Control Security (MACsec) and EVPN-VXLAN. Support for MACsec and EVPN-VXLAN ensures link-layer data confidentiality, data integrity, and data origin authentication to help secure deployments in enterprise multicloud deployments. On the EX4400 switches, the MACsec AES-256 encryption capability is supported on all RJ-45, SFP, and SFP+ network ports. MACsec AES-256 is supported on the SFP28 ports of the 25GbE (EX4400-EM-4Y) and the QSFP28 ports of the 100GbE (EX4400-EM-1C) extension modules. EX4400-24X supports MACsec AES-256 on the native front-panel 100GbE ports as well.

Support for IEEE 802.3bt Power over Ethernet (PoE-bt)-The RJ-45 ports in EX4400-24P, EX4400-24MP, EX4400-48P, EX4400-48MP, EX4400-48XP, and EX4400-48MXP switches support IEEE 802.3bt (PoE-bt), providing power of up to 90 W per port. These ports also support fast PoE and Perpetual PoE.

 

Support for High PoE Budgets-The EX4400-48XP and EX4400-48MXP switch models support 2000 W AC power supplies and can deliver a PoE budget of up to 3600 W when equipped with dual AC PSUs. Their corresponding spare models, EX4400-48XP-S and EX4400-48MXP-S, support 2000 W DC power supplies and can also deliver up to 3600 W of PoE with dual DC PSUs.

 

EX4400-48P, EX4400-24P, EX4400-24MP, and EX4400-48MP models support up to 2200 W PoE budgets when powered by 1600 W AC power supplies.

 

Additional spare models-EX4400-48P-S, EX4400-24P-S, EX4400-24MP-S, and EX4400-48MP-S also support the 2000 W DC PSU and offer PoE budgets of up to 2200 W when powered by dual DC PSUs .

 

Compact solution-The EX4400 switch is a modular single rack unit (1-U) device that is an apt solution for crowded wiring closets and access switch locations. The switch provides carrier-class reliability of modular systems with the economics and flexibility of stackable platforms.

 

High availability-EX4400 switches provide high availability through redundant power supplies and fans, graceful Routing Engine switchover (GRES), and nonstop bridging (NSB) and nonstop active routing (NSR) when deployed in a Virtual Chassis configuration.

 

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