Juniper QFX5220-128C — High-Density 128-Port 100GbE Data Center Switch
Save significantly on the Juniper QFX5220-128C with Reef Telecom's certified refurbished units, backed by our industry-leading 10-year warranty. This high-density, fixed-configuration spine-and-leaf switch delivers 128 QSFP28 ports and 12.8 Tbps of switching capacity in a 4U form factor — ideal for large-scale data center fabrics, AI/ML clusters, and cloud deployments.
Key Specifications
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128x QSFP28 ports — supports 100GbE, 40GbE, or channelized 4x25GbE/4x10GbE
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12.8 Tbps total switching throughput for nonblocking performance
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1070 ns cut-through latency — deterministic, low-latency forwarding
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Intel Xeon D-1518 CPU — high-performance control plane
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Junos OS Evolved — modular architecture with parallel control/data plane processing
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2+2 redundant PSUs (AC or DC) and 5+1 hot-swappable fan trays
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4U rack-mountable — 17.26 x 6.88 x 29 in., 98 lbs fully loaded
- TAA Compliant
Advanced Features
- EVPN-VXLAN overlay support for spine-and-leaf IP fabrics
- BGP add-path, MPLS, L3 VPN, and RoCEv2
- Zero-touch provisioning (ZTP) and Python scripting automation
- Apstra-compatible for intent-based fabric management
- 2x SFP+ management ports (10GbE/1GbE)
Ideal Deployments
Deploy the QFX5220-128C as a lean spine in enterprise and cloud data centers, or as a high-radix aggregation switch for AI/ML training clusters with GPU server connectivity. Supports leaf-spine Clos architectures at scale.
Free shipping on orders over $300. Every refurbished switch from Reef Telecom is fully tested, inspected, and protected by our 10-year warranty.