Product Overview


The Juniper EX4400 Series is a next-generation enterprise access switch from Juniper Networks, designed for modern enterprise campuses. This series delivers exceptional cost-performance and enterprise-grade features in a compact form factor.



Models and Specifications



EX4400-24P



  • Ports: 24x 10/100/1000BASE-T PoE+

  • PoE Power: 340W

  • Uplinks: 4x 1/10/25GbE SFP28

  • Power Consumption: Max 390W



EX4400-24MP



  • Ports: 24x Multi-Gigabit PoE+

  • PoE Power: 340W

  • Uplinks: 4x 10/25GbE SFP28

  • Power Consumption: Max 390W



EX4400-48P



  • Ports: 48x 10/100/1000BASE-T PoE+

  • PoE Power: 740W

  • Uplinks: 4x 1/10/25GbE SFP28

  • Power Consumption: Max 850W



EX4400-48MP



  • Ports: 48x Multi-Gigabit PoE+

  • PoE Power: 740W

  • Uplinks: 4x 10/25GbE SFP28

  • Power Consumption: Max 850W



Technical Features



Core Functions



  • Intelligent PoE

  • AI-Driven Operations

  • 25GbE Uplinks

  • Zero Touch Provisioning (ZTP)



Layer 2 Features



  • VLAN support (802.1Q)

  • LACP link aggregation

  • STP/RSTP/MSTP spanning tree protocols

  • IGMP Snooping v1/v2/v3

  • Jumbo Frame support (up to 9216 bytes)



Layer 3 Features



  • Static routing

  • RIP v1/v2

  • OSPF routing protocol

  • BGP support



Security Features



  • 802.1X authentication

  • MAC address limiting

  • DHCP Snooping

  • Dynamic ARP Inspection

  • IP Source Guard



Junos OS Features



  • Unified network operating system

  • Modular software architecture

  • Zero Touch Provisioning (ZTP)

  • Junos Space management support



Application Scenarios



SMB Networks


The EX4400 Series provides enterprise-grade features at an affordable price, making it an ideal choice for small and medium businesses.



Branch Office Deployment


Compact design and quiet operation make it suitable for office environments, with remote management support.



Wireless AP Deployment


PoE+ support can power 802.11ac/ax wireless access points, IP phones, and IP cameras.



Comparison with Competitors








FeatureJuniper EX4400Competitor
PerformanceExcellentGood
FeaturesRichStandard
PriceCompetitiveHigher
WarrantyLimited LifetimeSimilar


Procurement Recommendations



Why Choose the EX4400 Series?



  1. High Cost Performance - More competitive pricing for equivalent functionality

  2. Junos OS - Unified operating system reduces management complexity

  3. Scalability - Virtual Chassis technology supports stacking multiple units

  4. Quiet Design - Suitable for office environments



Important Notes



  • EX4400 Series is ideal for access layer deployment

  • PoE budget should be calculated based on actual device requirements

  • Recommended to purchase original or certified refurbished SFP modules



Related Products




Procurement Channels


ITMall provides new and certified refurbished Juniper EX4400 series equipment, with fast delivery and technical support for the Asia-Pacific region.





This article provides technical specifications for reference only. Please refer to Juniper Networks official documentation for actual specifications.