Juniper QFX5100-48S-3AFI-T 48-Port 10GbE Switch

Usage Area

The Juniper QFX5100-48S-3AFI-T is a managed switch designed for data center access and aggregation layers. It is deployed in high-density 10GbE environments, including server aggregation and leaf-level positions in spine-leaf topologies. The device supports high-performance computing and cloud infrastructure, providing connectivity for up to 48 10GbE endpoints with additional 40GbE uplinks. It is suitable for enterprises requiring scalable, low-latency network fabric for virtualized workloads.

Construction Features

• 1U rack-mountable form factor for efficient data center space utilization.
• 48 SFP/SFP+ 10GbE ports for high-density server connectivity.
• 6 QSFP+ 40GbE ports for uplink or inter-switch links.
• Breakout support on 40GbE ports, allowing each to be split into 4x10GbE connections.
• Powered by AC supply (suffix -3afi), ensuring broad deployment compatibility.
• Runs on Junos OS, enabling advanced network virtualization features.

Technical Parameters

• Ports: 48x SFP/SFP+ 10GbE, 6x QSFP+ 40GbE
• Switching capacity: 1.44 Tbit/s (1.08 Bpps)
• Form factor: 1U
• Power supply: AC (model suffix -3afi-t)
• Breakout capability: 40GbE ports can be divided into 4x10GbE
• Operating system: Junos OS
• Network virtualization: Support for VXLAN and EVPN

Standards & Certification

The switch complies with industry-standard Ethernet and data center networking protocols, ensuring interoperability with existing infrastructure. It supports modern network virtualization standards including VXLAN and EVPN, aligning with current data center architecture requirements. The device is manufactured by Juniper Networks, maintaining compliance with recognized quality and performance benchmarks for enterprise IT equipment.