United States$5,000,000+
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M
Michael Ashford
5
Back-to-front airflow matched our rack design.
EX3400-48T-AFI
EX3400 48-port 10/100/1000BaseT, 4 x 1/10G SFP/SFP+, 2 x 40G...
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Name:
EX3400-48T-AFI
- Description:
- EX3400 48-port 10/100/1000BaseT, 4 x 1/10G SFP/SFP+, 2 x 40G QSFP+, redundant fans, back-to-front airflow, 1 AC PSU JPSU-150-AC-AFIincluded (optics sold separately)
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 832938071049
- Condition:
- Warranty:
- 3
- List Price:
$6,460.00
- Price:
$3,901.0039.6% off
Quantity:
1
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EX3400-48T-AFI Overview
EX3400-48T-AFI is a high-performance Ethernet switch engineered with a resilient, fixed-configuration architecture that delivers reliable connectivity for enterprise and campus networks. It features an efficient design supported by an AC power supply, 48 10/100/1000 Ethernet ports for high-density connectivity, and advanced stacking capabilities that enable simplified management and network scalability.
EX3400-48T-AFI leverages innovative Virtual Chassis stacking to integrate multiple units into a single, unified system, resulting in enhanced performance and seamless scalability. Its robust hardware and feature-rich design make it ideal for demanding use cases that span enterprise edge deployments, branch offices, and high-performance campus environments.
EX3400-48T-AFI price is $3,901.00, a 39.6% saving from the Juniper list price of $6,460.00. EX3400-48T-AFI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EX3400-48T-AFI for additional pricing. Browse the full Juniper Ex3400 Series Ethernet Switches series or explore all Juniper products.
EX3400-48T-AFI Specifications
- Product Type
- Switch
- Power Source
- 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
- No
- Manufacturer Part Number
- EX3400-48T-AFI
- Uplink Configuration
- 1G
- IOS
- IP Lite
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- Juniper EX3400-48T-AFI Ethernet Switch
- Height
- 1.73 inches
- Width
- 17.5 inches
- Depth
- 12 inches
- Weight
- 10 lbs
EX3400-48T-AFI Use Case
Enterprise Campus Aggregation with Resilient Uplinks
In a large enterprise campus, the EX3400-48T-AFI-EX3400 48-port 10/100/1000BaseT, 4 x 1/10G SFP/SFP+, 2 x 40G QSFP+, redundant fans, back-to-front airflow, 1 AC PSU JPSU-150-AC-AFI included (optics sold separately) serves as a resilient Layer 2/3 aggregation switch consolidating building access points into 40 Gbps core uplinks. Benefit: Ensures high-bandwidth aggregation, seamless failover, and optimized thermal management for 99.99 % network availability.
Scalable Data Center Leaf in Spine-Leaf Architecture
In a hyperscale data center, the EX3400-48T-AFI-EX3400 48-port 10/100/1000BaseT, 4 x 1/10G SFP/SFP+, 2 x 40G QSFP+, redundant fans, back-to-front airflow, 1 AC PSU JPSU-150-AC-AFI included (optics sold separately) operates as a leaf switch delivering 1 Gbps server connectivity and 10/40 Gbps uplinks to spine routers. Benefit: Provides low-latency fabric, power and cooling redundancy, and seamless scale-out with consistent performance.
High-Density Multi-Tenant Edge Access
In a co-location facility or multitenant office, the EX3400-48T-AFI-EX3400 48-port 10/100/1000BaseT, 4 x 1/10G SFP/SFP+, 2 x 40G QSFP+, redundant fans, back-to-front airflow, 1 AC PSU JPSU-150-AC-AFI included (optics sold separately) delivers dedicated 1 Gbps ports per tenant with high-speed uplinks and carrier-grade reliability. Benefit: Enables secure tenant segmentation, 10/40 Gbps aggregation, and 99.99 % uptime under stringent SLA requirements.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 EX3400-48T-AFI |  EX3400-24T-DC |  EX3400-24P |  EX3400-24P-TAA |  EX3400-48T | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 11 inches | 10.7 inches | 12.4 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 32 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.75 inches | 1.73 inches | 1.73 inches |
| IOS | IP Lite | LAN Base | IP Lite | LAN Base | LAN Base |
| 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 | EX3400-48T-AFI | EX3400-24T-DC | EX3400-24P | EX3400-24P-TAA | EX3400-48T |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 24 Ports | N/A | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | POE+ | Non POE |
| Port/Expansion Slot Details | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | N/A | 24 PoE ports and 4 SFP uplink ports | 24 x 10/100/1000 PoE+ ports and 4 x 1G SFP uplink ports | N/A |
| Power Consumption | N/A | 25 W | 370 W | 370 W | 95W |
| Power Source | AC Power Supply | DC | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper EX3400-48T-AFI Ethernet Switch | Juniper Networks EX3400-24T-DC Ethernet Switch | Juniper EX3400-24P Ethernet Switch | Juniper EX3400-24P-TAA Ethernet Switch | Juniper EX3400-48T Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 128 Gbps | 128 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 256 Gbps | N/A | 320 Gbps | 320 Gbps | 352 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 1G | 1G |
| Weight | 10 lbs | 6 lbs | 10 lbs | 15 lbs | 14 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
A
Andrew Holt
4
Reliable high density access switching.
D
Daniel Grant
5
Good uplink options with QSFP+.
S
Stephen Knight
3
Consistent performance in production.
V
Victor Powell
4
Solid enterprise switch.
Questions & Answers
What is the Juniper EX3400-48T-AFI switch?
The EX3400-48T-AFI is a high-performance, stackable Layer 3 Ethernet switch with 48 10/100/1000BaseT ports, four 1/10GbE SFP/SFP+ uplinks and two 40GbE QSFP+ ports, delivering robust access and aggregation for enterprise networks.
How many 10/100/1000BaseT and uplink ports does the EX3400-48T-AFI offer?
It provides 48 RJ45 10/100/1000BaseT ports, four shared 1 GbE/10 GbE SFP/SFP+ ports, and two 40 GbE QSFP+ uplink ports for high-bandwidth connectivity.
Does the EX3400-48T-AFI support Juniper Virtual Chassis technology?
Yes. You can stack up to 10 EX3400 units via Virtual Chassis, creating a single logical switch with up to 480 access ports and centralized management.
What is the switching capacity and forwarding rate of the EX3400-48T-AFI?
The switch delivers up to 1.28 Tbps of switching capacity and a forwarding rate of 952 Mpps, ensuring wire-speed performance across all ports.