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The Juniper QFX5120-48Y-AFI is a high-performance, 25GbE Top-of-Rack (ToR) switch designed for modern Layer 3 data center fabrics, EVPN-VXLAN deployments, and leaf-spine architectures. BrightStar Systems supplies fully tested, used and refurbished QFX5120-48Y-AFI switches backed by our 1-Year In-House Warranty, ensuring industry-leading reliability at a fraction of new hardware pricing.
With 48 ports of 1/10/25GbE SFP28 and 8 ports of 40/100GbE QSFP+/QSFP28 uplinks, the QFX5120-48Y-AFI is ideal for high-density server access layers, collapsed spine designs, and distributed cloud environments requiring consistent throughput and low latency.
The QFX5120-48Y-AFI delivers non-blocking bandwidth, advanced telemetry, and Junos OS automation capabilities for next-generation data centers. As part of the QFX5120 family, it supports:
BrightStar Systems maintains a large inventory of QFX5120 switches, optics, and accessories — allowing for same-day configuration, testing, and shipping.
Explore these guides to compare models, evaluate alternatives, and understand the full QFX5120 portfolio:
We stock all major QFX5120 models, including:
If you need help selecting the right QFX5120 model or configuring optics and transceivers, our engineering team is here to help.
