EX4300-48T-TAA - Juniper EX4300 Series Ethernet Switches Overview
EX4300-48T-TAA - Juniper EX4300 Series Ethernet Switches is a genuine campus and data-center switching product from Juniper, a vendor known for scalable, high-performance networking platforms from the campus edge to the core. Belonging to the Juniper EX4300 Series family, the EX4300-48T-TAA unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is suited to access-layer and edge deployments, where reliable wiring-closet operation and straightforward management are the priorities.
From a specification standpoint, it offers 48 ports for client, server or uplink connectivity; aggregate capacity of 256 Gbps; packet forwarding up to 144 Mpps. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Juniper hardware already running in the environment.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “EX4300 TAA. 48-PORT. 350W PSU”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the EX4300-48T-TAA. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned EX4300-48T-TAA
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
EX4300-48T-TAA Specifications | |
| Brand | Juniper |
| Model | EX4300-48T-TAA |
| Port Count | 48 |
| Power Supply | 350W PSU |
| Compliance | TAA (Trade Agreements Act) |
| Ethernet Standard | 10/100/1000BASE-T |
| Switching Capacity | 256 Gbps |
| Forwarding Rate | 144 Mpps |
| Rack Units | 1 RU |
| Dimensions | 1.72 x 17.4 x 12 in (4.37 x 44.2 x 30.5 cm) |
| Operating Temperature | 32�� to 104�� F (0�� to 40�� C) |
| Non-operating Temperature | -40�� to 158�� F (-40�� to 70�� C) |
| Supported Data Rates | 10/100/1000 Mbps |
| Storage Humidity | 5% to 95% (non-condensing) |
| Relative Humidity (Operational) | 10% to 85% (non-condensing) |
| Max Power Consumption | 390 W |
| Fans | Front to Back Airflow |
| Jumbo Frames | Up to 9216 bytes |
| VLANs Supported | Yes, up to 4094 |
| IPv4/IPv6 Routing | Supported |
| Stacking | Virtual Chassis Technology |
| Warranty | Limited Lifetime Warranty |
EX4300-48T-TAA - Product Notes
This listing is a specific SKU variant of the EX4300-48T-TAA family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.







