Juniper QFX5120-48Y-AFI2 Network Switch
The Juniper QFX5120-48Y-AFI2 is a next-generation, high-performance data centre switch engineered for scalability, flexibility, and secure Layer 3 networking. Featuring 48 high-density multi-speed ports supporting 1GbE, 10GbE, and 25GbE (via SFP28), along with up to 8 x 100GbE uplinks (QSFP28), it is ideal for enterprise and cloud data centre architectures requiring high bandwidth, low latency, and consistent throughput.
Built on the robust Junos operating system, the QFX5120 supports advanced Layer 2/3 features and EVPN-VXLAN, making it a key component in modern spine-and-leaf fabric topologies. It enables seamless network automation and telemetry while maintaining consistent configuration and policy enforcement across hybrid environments.
The “AFI2” model features a front-to-back (airflow-in) cooling design, essential for optimised thermal management in high-density deployments. With MACsec support on all ports, it enhances traffic security at the hardware layer. This switch also supports rich telemetry for visibility and control, including Juniper’s extensive automation and programmability features.
As a certified Juniper partner, Steel City Consulting supplies both brand new and Juniper Certified Pre-Owned (JCPO) QFX5120-48Y-AFI2 models. All refurbished units under the JCPO programme are fully manufacturer-tested and certified, ensuring compliance with Juniper’s high-quality standards. Buyers benefit from:
Full access to the latest Junos firmware and updates
Coverage under Juniper’s official hardware warranty
Compatibility with Juniper’s ongoing support and service contracts
Peace of mind through genuine, validated hardware provenance
Whether you’re building a new infrastructure or expanding an existing network, the QFX5120-48Y-AFI2 delivers a reliable, future-ready platform. It supports demanding workloads, complex virtualisation, and secure cloud connectivity. With the backing of Steel City Consulting’s specialist knowledge and Juniper’s certification, this switch offers performance and value that scale with your business needs.
| Weight | 3 kg |
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Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
