Juniper QFX5100‑48S‑AFO / AFI – 48 x 10GbE SFP+ + 6 x 40GbE QSFP+ Data Center Switch (Front‑to‑Back / Back‑to‑Front Airflow)

Product Overview

The Juniper QFX5100‑48S Series delivers high‑performance 10GbE server access with flexible 40GbE uplinks, designed for enterprise and data center deployments. With 48 SFP+ ports supporting 1GbE/10GbE and 6 QSFP+ uplinks supporting 40GbE or breakout into 4x10GbE, these switches provide scalable, low‑latency connectivity for top‑of‑rack or aggregation use cases. The AFI and AFO airflow options ensure seamless integration into any rack orientation.

Key Features

• 48 x 1/10GbE SFP+ ports for high‑density server access
• 6 x 40GbE QSFP+ uplinks with breakout into 4x10GbE per port
• Airflow options:
• QFX5100‑48S‑AFI: Back‑to‑Front airflow (cold aisle)
• QFX5100‑48S‑AFO: Front‑to‑Back airflow (hot aisle)
• Advanced protocols: OSPF, BGP, IS‑IS, EVPN‑VXLAN, MPLS
• Low latency and deep buffers for demanding workloads
• MACsec encryption for secure interconnects
• Automation & Telemetry: Junos OS, NETCONF, RESTCONF, gRPC, streaming telemetry

Benefits

• High‑density 10GbE fiber access for enterprise servers and storage
• Flexible 40GbE uplinks for scalable spine/leaf architectures
• Cloud‑ready architecture with EVPN‑VXLAN overlays
• Operational efficiency with automation and telemetry
• Deployment flexibility with AFI and AFO airflow variants

What’s Included

• Juniper QFX5100‑48S 48‑Port 10GbE SFP+ Data Center Switch (AFI / AFO)
  
• Rack‑mount kit and mounting hardware
• Hot‑swappable fan modules (model dependent)
• Redundant hot‑swappable power supplies
• Console cable (RJ‑45 to USB/DB‑9)
• Power cord