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Juniper B1-Q5120-48YI-A-A5 QFX5120-48Y Airflow in Redundant AC PSUs and FANs Ships with base S/W fea...
- 48 x 25GbE SFP28 ports
- 8 x 100GbE QSFP28 ports
- 1U rack-mountable form factor
- Redundant AC Power Supplies
- Redundant Fans
- Airflow In (typically rear to front)
- Supports MACsec AES-256 encryption
- Ideal for data center aggregation and spine deployments
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Product Overview
The Juniper QFX5120-48YI is a 1U data center switch featuring 48 x 25GbE SFP28 ports and 8 x 100GbE QSFP28 ports. This model is designed with redundant AC power supplies and fans, ensuring high availability. It ships with base software features and is configured for airflow in, with PSUs and FANs at the rear.
Technical Information
| Model | QFX5120-48YI |
| Form Factor | 1U |
| Base Ports | 48 x 25GbE SFP28 |
| Uplink Ports | 8 x 100GbE QSFP28 |
Additional Specifications
| Airflow | Airflow In (Rear) |
| Power Supply | Redundant AC |
| Security | MACsec AES-256 |
Product Description
The Juniper QFX5120-48YI is a high-density, high-performance switch engineered for the demanding requirements of modern data centers. It offers a versatile port configuration with 48 x 25GbE SFP28 ports for server connectivity and 8 x 100GbE QSFP28 ports for high-speed uplinks or spine connections. This combination provides exceptional bandwidth and flexibility for aggregation and spine roles. Designed for resilience, the QFX5120-48YI incorporates redundant AC power supplies and redundant fans. This ensures continuous operation and minimizes downtime, which is critical in mission-critical data center environments. The 'Airflow In' designation typically refers to a rear-to-front airflow pattern, common in data center racks for efficient cooling. This model supports advanced features, including MACsec AES-256 encryption for enhanced data security, making it suitable for environments with strict compliance requirements. It ships with base software features, providing essential Layer 2 and Layer 3 capabilities, and is part of a 5-year support offering, ensuring long-term operational viability.



