Description
Juniper EX3400-48T with 48x Gigabit RJ45 ports and 4x 10GbE SFP+ uplinks. High-performance Layer 2/3 switch for enterprise and data center networks.
| Attribute | Details |
|---|---|
| Brand | Juniper Networks |
| Series | EX3400 Ethernet Switch |
| Model | EX3400-48T |
| Ports | 48 × Gigabit RJ45, 4 × 10GbE SFP+ uplinks |
| Regulatory Compliance | FCC Part 15, CAN ICES-3(A)/NMB-3(A), VCCI-A |
| Certifications | CE, UL, TÜV Rheinland, EAC, Anatel (01368-16-01261), RoHS (D33161) |
| Safety | Grounded connection required |
| Manufacturer | Juniper Networks, Inc. |
| Label P/N | 520-067669 REV. 03 CM-1 |
Product Features
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High-Density Connectivity – 48 × Gigabit Ethernet RJ45 ports.
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High-Speed Uplinks – 4 × SFP+ uplinks supporting 10GbE connections.
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Layer 2 & 3 Switching – Advanced enterprise-grade routing and switching.
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Scalable Architecture – Supports Virtual Chassis technology for stacking up to 10 switches.
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Resilient & Reliable – Enterprise certifications (CE, UL, FCC, RoHS).
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Compact 1U Design – Space-efficient for rackmount deployments.
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Enterprise-Ready – Ideal for data centers, campuses, and corporate networks.
General Product Information
The Juniper EX3400-48T is a powerful, enterprise-grade Ethernet switch that combines high-density Gigabit connectivity with advanced Layer 2/3 switching. Featuring 48 × RJ45 Gigabit Ethernet ports and 4 × 10GbE SFP+ uplinks, the EX3400-48T provides the perfect balance of scalability, performance, and reliability for modern enterprise networks.
Designed for efficiency, this switch supports Juniper’s Virtual Chassis technology, allowing up to 10 EX3400 switches to be interconnected and operated as a single device—simplifying management and scaling. With enterprise-class certifications (CE, UL, FCC, TÜV, RoHS, Anatel, EAC), the EX3400-48T is compliant with international safety and environmental standards.
The compact 1U rackmount design makes it ideal for space-constrained data centers and enterprise deployments. Whether serving as a campus access switch, branch aggregation point, or top-of-rack switch, the EX3400-48T delivers high performance, low latency, and long-term investment protection.
Technical Specifications Table
| Specification | Details |
|---|---|
| Brand | Juniper Networks |
| Model | EX3400-48T |
| Form Factor | 1U Rackmount |
| Ports | 48 × 1GbE RJ45 |
| Uplink Ports | 4 × 10GbE SFP+ |
| Switching Capacity | ~336 Gbps (typical for EX3400 series) |
| Forwarding Rate | ~130 Mpps |
| Layer Support | Layer 2 and Layer 3 |
| Virtual Chassis | Up to 10 switches |
| Power Supply | Redundant AC/DC options (varies by configuration) |
| Cooling | Front-to-back or back-to-front airflow (depending on SKU) |
| Certifications | CE, UL, TÜV Rheinland, EAC, Anatel, RoHS |
| Regulatory Compliance | FCC Part 15, CAN ICES-3(A)/NMB-3(A), VCCI-A |
| Manufacturer | Juniper Networks, Inc. |
| Part Number | 520-067669 REV. 03 CM-1 |
Compatible Products
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Servers: Dell PowerEdge, HPE ProLiant, Lenovo Think System
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Storage: NetApp ONTAP, Dell EMC Unity, HPE Nimble Storage
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Operating Systems: VMware ESXi, Windows Server, Linux (RHEL, Ubuntu), Citrix environments
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Networking: Juniper EX4300, QFX series, Cisco Catalyst equivalents
Ideal Use Cases
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Enterprise LAN/WAN – High-density access layer for corporate networks
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Data Centers – Top-of-rack or aggregation switch
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Campus Networks – University or multi-building deployments
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Cloud Deployments – Secure and scalable backbone connectivity
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High-Performance Workloads – Low latency for virtualization and storage networking
Comparison Angle
The Juniper EX3400-48T improves upon earlier EX3300 models with:
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Higher backplane capacity (336 Gbps vs. lower on EX3300).
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Virtual Chassis technology supporting more switches per stack.
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10GbE uplinks vs. limited uplink capacity in older models.
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Improved compliance with global safety/environmental standards.
Against competitors like Cisco Catalyst 2960X or Aruba 2930F, the EX3400 offers better stacking flexibility and long-term investment protection.
Cross-Sell / Upsell Suggestions
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Juniper EX4300 or QFX5100 for higher scalability
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Juniper SRX Series firewalls for integrated security
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Rackmount PDUs & UPS systems (APC, Eaton)
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SFP+ transceivers and DAC cables
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Juniper Mist Wi-Fi access point