Juniper QFX5100-96S-AFO – High-Density 10/40GbE Switch

What It Is

The Juniper QFX5100-96S-AFO is a managed access/aggregation switch for data center environments, operating under Junos OS. This 2U form-factor model provides high-density 10GbE connectivity with integrated 40GbE uplink capability, positioned as a leaf switch in spine-leaf architectures or as an aggregation device for high-throughput server fleets.

Technical Details

• Ports: 96 × SFP+ 10GbE
• Uplink Ports: 8 × QSFP+ 40GbE (breakout-capable to 4×10GbE)
• Switching Capacity: 2.56 Tbit/s
• Form Factor: 2U, 19-inch rack-mountable
• Power Supply: AC (indicated by -afo suffix)
• Operating System: Junos OS

Configuration & Options

• Breakout cables supported for splitting each 40GbE QSFP+ port into four independent 10GbE interfaces
• Unit supplied with AC power configuration; no DC option per this model suffix
• Suitable for new deployment or as refurbished (reference) hardware, depending on procurement strategy
• Rack-mount installation in standard 19-inch cabinets

Operating Conditions

Designed for data center leaf deployments, the switch connects high-density 10GbE server racks to 40GbE spine infrastructure. It is suitable for environments requiring port density and low-latency aggregation, including virtualized clusters, storage networks, and enterprise data centers. Junos OS operation enables integration into existing Juniper-based network management frameworks.