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

• 128x QSFP28 ports — supports 100GbE, 40GbE, or channelized 4x25GbE/4x10GbE
• 12.8 Tbps total switching throughput for nonblocking performance
• 1070 ns cut-through latency — deterministic, low-latency forwarding
• Intel Xeon D-1518 CPU — high-performance control plane
• Junos OS Evolved — modular architecture with parallel control/data plane processing
• 2+2 redundant PSUs (AC or DC) and 5+1 hot-swappable fan trays
• 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.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.