United States$5,000,000+
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N
Nathan Brooks
5
Solid access switch with plenty of PoE capacity.
EX3400-48P
Juniper Networks EX Series EX3400-48P - switch - 48 ports -...
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Name:
EX3400-48P
- Description:
- Juniper Networks EX Series EX3400-48P - switch - 48 ports - managed - rack-mountable
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 6924023353094
- Condition:
- Warranty:
- 3
- List Price:
$8,920.00
- Price:
$1,632.0081.7% off
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1
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EX3400-48P Overview
EX3400-48P is a high-performance Ethernet switch built on a robust and scalable architecture designed for modern enterprise networks. It features flexible power options with support for redundant power supplies, ensuring continuous operation even under demanding conditions while providing 48 PoE ports that deliver reliable power and data connectivity.
EX3400-48P supports advanced stacking capabilities, allowing multiple switches to be interconnected for simplified management and enhanced network resiliency. Its superior performance, Layer 2/Layer 3 switching functionality, and versatile use cases make it the ideal solution for campus LANs, branch offices, and mission-critical applications requiring high availability and efficient power delivery.
EX3400-48P price is $1,632.00, a 81.7% saving from the Juniper list price of $8,920.00. EX3400-48P is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EX3400-48P for additional pricing. Browse the full category range or explore all Juniper products.
EX3400-48P Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- EX3400-48P
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 PoE ports and 4 SFP uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 176 Gbps
- Switching Capacity with Stacking
- 352 Gbps
- Product Name
- Juniper EX3400-48P Ethernet Switch
- Height
- 1.72 inches
- Width
- 17.25 inches
- Depth
- 17.25 inches
- Weight
- 11.3 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| EX3400-48P |  EX2300-48T |  QFX5100-96S-DC-AFO |  QFX5100-24Q-D-3AFO |  QFX5100-24Q-DC-AFO | |
|---|---|---|---|---|---|
| Depth | 17.25 inches | 17.5 inches | 10 inches | N/A | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount / N/A | Rack-mount |
| Height | 1.72 inches | 1.73 inches | 1.75 inches | N/A | 1.73 inches |
| IOS | LAN Base | LAN Lite | IP Services | N/A | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX3400-48P | EX2300-48T | QFX5100-96S-DC-AFO | QFX5100-24Q-D-3AFO | QFX5100-24Q-DC-AFO |
| Media Type Supported | Twisted Pair | Twisted Pair | Fiber | Fiber | Fiber |
| Memory | 512 MB | 256 MB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 48 Ports | 48 Ports | N/A | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | Over 48 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 48 PoE ports and 4 SFP uplink ports | 48 x 10/100/1000 Base-T ports and 4 x 1G SFP uplink ports | 96x 10GbE SFP+ ports | N/A | 24 QSFP+ ports for high-density 40/100G connectivity |
| Power Consumption | N/A | 25W | N/A | N/A | 230 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | DC Power Supply | Redundant Power Supply / AC Power Supply / N/A | DC Power Supply |
| Product Name | Juniper EX3400-48P Ethernet Switch | EX2300-48T Ethernet Switch | Juniper QFX5100-96S-DC-AFO Data Center Ethernet Switch | Juniper Networks QFX5100-24Q-D-3AFO Data Center Switch | Juniper QFX5100-24Q-DC-AFO |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 96 SFP Ports | 4 SFP Ports | N/A |
| Switching Capacity | 176 Gbps | 128 Gbps | 1280 Gbps | 1280 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | 352 Gbps | 128 Gbps | 2560 Gbps | 1280 Gbps | N/A |
| Uplink Configuration | 10G | 1G | 40G | 40G | 40G |
| Weight | 11.3 lbs | 13.2 lbs | 16 lbs | N/A | 20 lbs |
| Width | 17.25 inches | 17.5 inches | 17.5 inches | N/A | 17.5 inches |
Reviews & Ratings
R
Ryan Coleman
5
Handled campus traffic smoothly.
V
Victor Grant
5
Reliable hardware.
D
Daniel Morgan
5
Good uplink options.
J
James Porter
5
Satisfied overall.
Questions & Answers
What is the Juniper EX3400-48P switch?
The Juniper EX3400-48P is a managed, rack-mountable Ethernet switch with 48 Gigabit Ethernet PoE+ ports, designed for enterprise campus and branch networks running Junos OS.
What are the key hardware specifications of the EX3400-48P?
The EX3400-48P delivers 1.28 Tbps switching capacity, 924 Mpps forwarding rate, 48 GbE PoE+ ports, and four 10GbE SFP+ uplinks in a 1U chassis.
Does the EX3400-48P support Power over Ethernet (PoE)?
Yes, the EX3400-48P provides PoE+ (802.3at) on all 48 ports, delivering up to 30W per port for IP phones, access points, and cameras.
What is the total PoE+ power budget of this switch?
The EX3400-48P offers a total PoE+ budget of 740 watts, supporting high-power devices and ensuring reliable power distribution.
How many units can I stack with Virtual Chassis technology?
You can stack up to 10 EX3400 switches in a single Virtual Chassis, simplifying management and scaling performance up to 12.8 Tbps.
What management interfaces are available on the EX3400-48P?
Management options include Junos OS CLI, Web GUI, SNMP, NETCONF/YANG, and integration with Juniper Mist, Junos Space, and third-party tools.
Which Layer 2 and Layer 3 protocols are supported?
It supports Spanning Tree, VLAN, VXLAN, OSPF, IS-IS, BGP, RIP, VRRP, and static routing, enabling flexible campus and data center deployments.
What uplink modules are compatible with the EX3400-48P?
The switch supports four built-in 10GbE SFP+ ports and optional 40GbE QSPF+ uplink modules for higher-speed aggregation.
What is the typical power consumption of the switch?
Typical power consumption is 110W (no PoE load) and reaches up to 850W under full PoE+ load, with active-active redundant power supply options.
Is the EX3400-48P rack-mountable?
Yes, the 1U chassis includes rack-mount brackets and rail kits for installation in standard 19-inch racks.
What warranty and support options are available?
Juniper offers a limited lifetime warranty, with Juniper Care support for advanced replacement, software updates, and 24/7 technical assistance.
What environmental specifications should I consider?
The EX3400-48P operates from 0° to 40°C, supports 5%–90% non-condensing humidity, and meets NEBS and ETSI compliance standards.
Are any software licenses required for advanced features?
Layer 2 and basic Layer 3 features are included; Juniper’s Enhanced Layer 3 license unlocks OSPF, BGP, MPLS, and advanced security capabilities.
Can I integrate the EX3400-48P with other EX Series switches?
Yes, the EX3400-48P can form Virtual Chassis with EX3300 and EX3400 models to extend port density and management simplicity.
What security features does the EX3400-48P offer?
The switch includes 802.1X NAC, DHCP snooping, dynamic ARP inspection, MACsec encryption, and extensive ACL capabilities to protect the network edge.
How do I configure VLANs on the EX3400-48P?
Use Junos OS CLI or Web GUI to create VLANs, assign ports, and define VLAN tagging; configuration takes effect immediately without reboot.