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High port density with reliable TAA compliance.
EX3400-48T-TAA
EX3400 TAA 48PORT 10/100/1000BASET 4 X 1/10G SFP/SFP+
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EX3400-48T-TAA
EX3400 TAA 48PORT 10/100/1000BASET 4 X 1/10G SFP/SFP+
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EX3400-48T-TAA is a high-performance rack-mount Ethernet switch built with a modern, scalable architecture that supports both Layer 2 and Layer 3 operations. It comes equipped with 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP ports for uplink, enabling robust connectivity for enterprise and data center environments.
EX3400-48T-TAA offers flexible power options with an AC Power Supply and emphasizes reliability and efficiency with Virtual Chassis stacking support for simplified management and scalability. Its design delivers efficient switching performance and versatility to address use cases in campus wiring, branch connectivity, and high-density network deployments.
EX3400-48T-TAA price is is available on request. Get immediate quote.
Request bulk order quote for EX3400-48T-TAA for additional pricing. Browse the full Juniper Ex3400 Series Ethernet Switches series or explore all Juniper products.
To get the detailed certification, please go to the Compliance Center.
 EX3400-48T-TAA |  EX3400-24P-TAA |  EX3400-48P-TAA |  EX3400-48T-AFI |  EX3400-24P | |
|---|---|---|---|---|---|
| Depth | 17 inches | 10.7 inches | 11.8 inches | 12 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.73 inches | 1.73 inches | 1.75 inches |
| IOS | IP Lite | LAN Base | LAN Base | IP Lite | IP Lite |
| 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 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX3400-48T-TAA | EX3400-24P-TAA | EX3400-48P-TAA | EX3400-48T-AFI | EX3400-24P |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Twisted Pair | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 256 MB | 512 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | N/A | 48 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | POE+ | POE+ | Non POE | POE+ |
| Port/Expansion Slot Details | 48 x 10/100/1000 ports, 4 x 1G SFP slots | 24 x 10/100/1000 PoE+ ports and 4 x 1G SFP uplink ports | 48 PoE 10/100/1000 ports and 4 10Gb SFP+ uplink ports | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | 24 PoE ports and 4 SFP uplink ports |
| Power Consumption | 230W | 370 W | N/A | N/A | 370 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper EX3400-48T-TAA Ethernet Switch | Juniper EX3400-24P-TAA Ethernet Switch | Juniper EX3400-48P-TAA Ethernet Switch | Juniper EX3400-48T-AFI Ethernet Switch | Juniper EX3400-24P 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 | No | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 128 Gbps | 1440 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 352 Gbps | 320 Gbps | 1440 Gbps | 256 Gbps | 320 Gbps |
| Uplink Configuration | 1G | 1G | 10G | 1G | 1G |
| Weight | 14 lbs | 15 lbs | 13 lbs | 10 lbs | 10 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
High port density with reliable TAA compliance.
Smooth deployment and management.
Stable switching under daily load.
Good access layer choice.
Satisfied with performance.
The EX3400-48T-TAA is a TAA-compliant Juniper fixed-configuration Ethernet switch offering 48 10/100/1000BASE-T ports and four 1/10G SFP/SFP+ uplink slots.
It supports 48 RJ-45 10/100/1000BASE-T user ports for copper connectivity and four integrated SFP/SFP+ slots for flexible 1GbE or 10GbE uplinks.
The switch includes four SFP/SFP+ uplink slots compatible with both 1GbE and 10GbE optics, enabling high-speed network expansion.
Yes. The EX3400-48T-TAA meets Trade Agreements Act requirements, ensuring it qualifies for U.S. federal procurement under domestic-content rules.