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EX4300-48T-TAA
EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS
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EX4300-48T-TAA is a high-performance, fixed-configuration switch built on a robust architecture optimized for enterprise and campus networks. It features 48 copper 10/100/1000 ports with 4 dedicated 1G SFP uplink ports, offering flexible power options and excellent scalability to support growing network demands.
This model leverages Virtual Chassis technology for effective stacking and manages both Layer 2 and Layer 3 operations with high throughput and low latency. Its proven performance and streamlined deployment make it ideal for access and aggregation use cases in medium to large-scale environments.
EX4300-48T-TAA price is is available on request. Get immediate quote.
Request bulk order quote for EX4300-48T-TAA for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
To get the detailed certification, please go to the Compliance Center.
| EX4300-48T-TAA |  EX4300-48T-AFI-TAA |  EX4300-48P-TAA |  EX4300-24P-TAA |  EX4300-48T-DC | |
|---|---|---|---|---|---|
| Depth | 11 inches | 11 inches | 17.3 inches | 10 inches | 11.5 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 64 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.73 inches | 1.75 inches | 1.75 inches |
| IOS | IP Lite | IP Lite | LAN Base | 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 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4300-48T-TAA | EX4300-48T-AFI-TAA | EX4300-48P-TAA | EX4300-24P-TAA | EX4300-48T-DC |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair / Fiber |
| Memory | 256 MB | 4 GB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 48 Ports | 48 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | POE+ | Non POE |
| Port/Expansion Slot Details | 48 x 10/100/1000 copper ports with 4 x 1G SFP uplink ports | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | N/A | 24 PoE+ ports and 4 SFP+ uplink ports | N/A |
| Power Consumption | N/A | 370 W | 370 W | N/A | 30 W |
| Power Source | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply | DC Power Supply |
| Product Name | Juniper Networks EX4300-48T-TAA Fixed Switch | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch | Juniper EX4300-48P-TAA Ethernet Switch | Juniper Networks EX4300-24P-TAA Ethernet Switch | EX4300-48T-DC 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 | Yes | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 1280 Gbps | 176 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | N/A | N/A | 320 Gbps | 320 Gbps | 352 Gbps |
| Uplink Configuration | 1G | 1G | 1G | 10G | 1G / 10G |
| Weight | 11 lbs | 12 lbs | 12 lbs | 13 lbs | 13 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.56 inches | 17.5 inches |
Reliable access switch with solid Layer 2 performance and easy compliance approval for regulated environments.
Consistent uptime and simple management make this ideal for enterprise access deployments.
Stable switching under daily load with predictable performance.
Straightforward installation and dependable operation.
Meets TAA requirements without sacrificing performance.
The Juniper EX4300-48T-TAA is a TAA-compliant, 48-port 10/100/1000BaseT Ethernet switch with a built-in 350 W AC power supply designed for enterprise access and distribution layers.
The EX4300-48T-TAA provides 48 fixed 10/100/1000BaseT RJ-45 ports, each supporting Auto Speed (10/100/1000 Mbps) with full wire-speed switching.
The EX4300-48T-TAA includes an internal 350 W AC power supply that delivers up to 350 W for system operation and optional PoE modules.
Yes. The EX4300-48T-TAA meets Trade Agreements Act (TAA) requirements, making it eligible for U.S. federal government procurements.
The EX4300-48T-TAA runs Juniper Networks Junos OS, offering a consistent CLI, advanced routing, switching, and automation features.
Yes. The switch supports Juniper Virtual Chassis, allowing up to 10 EX4300 devices to operate as a single logical switch for simplified management.
The EX4300-48T-TAA delivers a switching capacity of 176 Gbps and a forwarding rate of up to 131 Mpps for low-latency performance.
Yes. You can stack up to 10 EX4300-48T-TAA switches using dedicated Virtual Chassis ports for high availability and simplified scaling.
The EX4300-48T-TAA is 1.72 in H x 17.10 in W x 14.37 in D, weighs 14 lbs, and fits a standard 1RU rack space with front-to-back cooling.
The base EX4300-48T-TAA does not include PoE. You can install an optional PoE+ PSU to support up to 30 W per port for powered devices.
Management options include a front-panel USB port, a RJ-45 console port, an out-of-band Ethernet management port, plus SNMP and Junos Space support.
The EX4300-48T-TAA offers an MTBF exceeding 200,000 hours and redundant fan trays for continuous operation in critical environments.
Juniper provides a limited lifetime warranty, with optional Juniper Care support for 24x7 hardware replacement and software updates.
The EX4300-48T-TAA supports advanced security with MACsec, DHCP snooping, dynamic ARP inspection, and up to 4K VLAN IDs for segmented networks.
Typical deployments include campus access switches, data center top-of-rack aggregation, and branch office distribution with high-performance, TAA-compliant switching.