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EX4300-48T-AFI-TAA
EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS (Airflow i...
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EX4300-48T-AFI-TAA is a high-performance, rack-mount Ethernet switch engineered with a robust architecture that integrates Virtual Chassis stacking technology. Built to support both Layer 2 and Layer 3 operations, it delivers 48 fixed 10/100/1000 Ethernet ports alongside four dedicated 1G SFP uplink ports while offering flexible power options with built-in redundant power supply support.
Optimized for scalability and dependable performance, this switch is designed for enterprise campus, branch, and data center edge use cases where high-density connectivity and low latency are paramount. Its stacking capabilities simplify management across multiple units while ensuring that network growth is seamless and the critical infrastructure runs smoothly.
EX4300-48T-AFI-TAA price is is available on request. Get immediate quote.
Request bulk order quote for EX4300-48T-AFI-TAA for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
Deploy the EX4300-48T-AFI-TAA as a high-density 1 GbE aggregation switch in government or defense facilities to meet Trade Agreements Act (TAA) requirements. Benefit: Achieve full compliance with U.S. procurement mandates while delivering 48 ports of 10/100/1000Base-T connectivity, front-to-back airflow and seamless Virtual Chassis management for high availability and simplified operations.
Use the EX4300-48T-AFI-TAA as a Top-of-Rack (ToR) switch in enterprise and service-provider data centers to aggregate server and storage traffic over 48 copper ports with 1 GbE speeds. Benefit: Leverage Virtual Chassis and MLAG to deliver sub-millisecond latency, resilient link aggregation and 350 W AC power support, reducing cabling complexity and maximizing throughput for virtualized environments.
Implement the EX4300-48T-AFI-TAA at satellite retail locations to converge user access, IP telephony and security cameras on a single 48-port switch. Benefit: Centralize policy enforcement via Junos OS, enable zero-touch provisioning and front-to-back airflow, driving down operational expenses while boosting network uptime and user experience across dozens of stores.
To get the detailed certification, please go to the Compliance Center.
 EX4300-48T-AFI-TAA |  EX4300-24P-TAA |  EX4300-24T |  EX4300-48T-TAA |  EX4300-32F | |
|---|---|---|---|---|---|
| Depth | 11 inches | 10 inches | 8.7 inches | 11 inches | 10.8 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10GbE |
| 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 | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Lite | LAN Base | N/A | 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 | EX4300-48T-AFI-TAA | EX4300-24P-TAA | EX4300-24T | EX4300-48T-TAA | EX4300-32F |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair | Fiber |
| Memory | 4 GB | 256 MB | 512 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 24 Ports | 48 Ports | 32 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | POE+ | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 48 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink ports | 24 PoE+ ports and 4 SFP+ uplink ports | 24 x 10/100/1000 RJ-45 ports and 4 x 10GbE SFP+ uplink ports | 48 x 10/100/1000 copper ports with 4 x 1G SFP uplink ports | N/A |
| Power Consumption | 370 W | N/A | 87 W | N/A | 90W |
| Power Source | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper Networks EX4300-48T-AFI-TAA Ethernet Switch | Juniper Networks EX4300-24P-TAA Ethernet Switch | Juniper EX4300-24T Ethernet Switch | Juniper Networks EX4300-48T-TAA Fixed Switch | Juniper Networks EX4300-32F 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 | Yes | No | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 32 SFP+ Ports |
| Switching Capacity | 1280 Gbps | 128 Gbps | 128 Gbps | 128 Gbps | 640 Gbps |
| Switching Capacity with Stacking | N/A | 320 Gbps | 320 Gbps | N/A | 640 Gbps |
| Uplink Configuration | 1G | 10G | 10G | 1G | 10G |
| Weight | 12 lbs | 13 lbs | 9.4 lbs | 11 lbs | 7.5 lbs |
| Width | 17.5 inches | 17.56 inches | 19 inches | 17.5 inches | 17.5 inches |
Airflow-in design fit perfectly in our rack layout and runs reliably.
Stable access switching with no thermal concerns.
Good choice for compliance driven enterprise networks.
Predictable performance and easy management.
Solid TAA compliant switch for access layers.
The EX4300-48T-AFI-TAA is a TAA-compliant, 48-port Gigabit Ethernet switch with a 350 W AC power supply and front-to-back airflow designed for enterprise and data center deployments.
This model provides 48 10/100/1000 Base-T RJ-45 ports and four dual-rate 10 GbE SFP+ uplink ports for high-speed connectivity.
Yes. The EX4300-48T-AFI-TAA meets Trade Agreements Act requirements for U.S. government procurement and related projects.
It includes an internal 350 W AC power supply supporting 100–240 V AC input, optimized for energy efficiency and redundant power configurations in multi-unit deployments.