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The Juniper QFX5220-32CD-D-AFI is a high-performance, fixed-configuration 400GbE data center switch designed for next-generation spine-and-leaf fabrics, AI/ML clusters, and hyperscale environments that require DC power and back-to-front airflow. With 32 × 400GbE QSFP-DD ports, DC power inputs, and an airflow-in (AFI) cooling design, this model is optimized for carrier-grade and service provider data centers operating at scale.
BrightStar Systems supplies fully tested refurbished QFX5220-32CD-D-AFI switches, each backed by our 1-Year In-House Warranty. All systems are professionally validated to ensure reliable operation in production environments.
The QFX5220-32CD-D-AFI delivers high-density 400GbE connectivity in a compact 1RU form factor, making it ideally suited for spine roles in EVPN-VXLAN and IP fabric deployments where DC power and consistent airflow direction are required. Running Junos OS and powered by next-generation Broadcom silicon, the platform offers deterministic low latency, massive throughput, and advanced telemetry.
This model is commonly deployed by service providers, internet exchanges, and hyperscale operators upgrading from 100GbE-class fabrics to 400GbE spine architectures, enabling higher radix designs, reduced oversubscription, and simplified scaling for bandwidth-intensive workloads.
For a platform-level overview, see the Juniper QFX5220 Series.
| Model | QFX5220-32CD-D-AFI |
|---|---|
| Ports | 32 × 400GbE QSFP-DD |
| Switching Capacity | 25.6 Tbps |
| Forwarding Rate | ~8 Bpps |
| Form Factor | 1RU |
| Power | DC (–48V) |
| Airflow | Airflow In (AFI) |
| Operating System | Junos OS |
The following resources provide deeper context for evaluating the QFX5220-32CD-D-AFI within a broader Juniper switching strategy:
BrightStar Systems specializes in used and refurbished Juniper networking equipment for enterprise, service provider, and hyperscale data center environments. We support both expansion projects and hardware lifecycle transitions with tested, production-ready systems.
All QFX5220-32CD-D-AFI switches are tested in-house and include a 1-Year BrightStar Systems Warranty. Hardware validation covers system health, 400GbE port functionality, DC power supplies, fans, airflow orientation, and overall readiness for production deployment.
