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Juniper QFX5120-48T-AFO-T QFX5120 48x RJ45 10GBT 6x QSFP28 Switch
- Port Configuration: 48x 10GbE RJ45 ports
- Uplink Ports: 6x 40GbE QSFP+ ports
- Switching Capacity: 1.28 Tbps
- Forwarding Rate: 960 Mpps
- Latency: < 1 microsecond
- Layer 3 Features: Supported
- Junos OS: Included
- Form Factor: 1RU
- Power Supply: Redundant (AFO - Airflow from Front)
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Product Overview
The Juniper QFX5120-48T-AFO-T is a high-performance, versatile switch designed for modern data center networks. It features 48x 10GbE RJ45 ports for server and storage connectivity, along with 6x 40GbE QSFP+ uplink ports for aggregation or spine connectivity. This switch offers low latency and advanced features for demanding network environments.
Technical Information
| Model | QFX5120-48T-AFO-T |
| Product Type | Ethernet Switch |
| Number of Ports | 48 x 10GbE RJ45 |
| Uplink Ports | 6 x 40GbE QSFP+ |
| Switching Capacity | 1.28 Tbps |
Additional Specifications
| Forwarding Rate | 960 Mpps |
| Latency | < 1 µs |
| Form Factor | 1RU |
| Power Supply | Redundant, Airflow from Front (AFO) |
| Operating System | Junos OS |
Product Description
The Juniper QFX5120-48T-AFO-T is a high-performance, fixed-configuration switch designed for data center top-of-rack (ToR) or spine deployments. It provides a dense port configuration with 48 10GbE RJ45 ports, ideal for connecting servers, storage arrays, and other high-density endpoints. The switch's ability to support 10GbE speeds ensures high throughput for demanding applications and workloads. For network aggregation and scalability, the QFX5120-48T-AFO-T is equipped with six 40GbE QSFP+ uplink ports. These high-bandwidth ports allow for efficient aggregation of traffic from multiple access switches or direct connection to spine switches in a data center fabric. The combination of 10GbE access and 40GbE uplinks provides a balanced architecture for modern data center networks, minimizing bottlenecks and maximizing performance. Running on Juniper's Junos OS, this switch offers advanced Layer 2 and Layer 3 features, including support for EVPN-VXLAN, BGP, OSPF, and other routing protocols essential for data center networking. Its low latency (< 1 microsecond) is critical for performance-sensitive applications like high-frequency trading or real-time analytics. The AFO designation indicates front-to-back airflow, a common requirement in data center rack deployments, and the redundant power supplies ensure high availability.
