Juniper Networks QFX5100-48S-3AFO QFX5100 48S Switch 48 Port - Dual AC

Overview

The Juniper Networks QFX5100-48S-3AFO is a high-performance, low-latency Ethernet switch designed for modern data center and campus environments. With 48 SFP+ ports delivering up to 10 Gbps per port and dual AC power supplies for redundancy, this model provides the scalability and reliability needed for demanding virtualized workloads, cloud services, and high-speed storage networks.

Key Features

• 48 SFP+ ports supporting 1/10 Gbps fiber connectivity
• Dual hot-swappable AC power supplies for uninterrupted operation
• Layer 2 switching with advanced L2 features such as VLANs, MSTP and LLDP
• Layer 3 routing capabilities including static routes, OSPF and RIP
• Juniper Virtual Chassis technology enables up to 10 switches to be managed as a single logical device
• Compact 1U form factor optimises rack space utilisation
• Extensive telemetry and monitoring via Junos OS for proactive network management

Technical Specifications

• Model: QFX5100-48S-3AFO
• Port configuration: 48 x SFP+ (10 Gbps) + 4 x 40/100 GbE QSFP28 uplinks
• Power: Dual AC inputs, 110-240V, 50/60Hz, redundant hot-swap capable
• Switching capacity: 1.92 Tbps
• Forwarding rate: up to 1.44 Bpps (billion packets per second)
• Latency: sub 2 microseconds typical
• Operating temperature: 0 to 40 deg Celsius
• Dimensions: 1U rackmount, 440 mm height x 450 mm width x 44 mm depth
• Management interfaces: Console, Ethernet (out-of-band), Junos OS CLI and web UI

Typical Applications

• Data center leaf and spine deployments requiring high density fiber connectivity
• Enterprise campus aggregation where low latency and redundancy are critical
• High performance computing clusters with demanding bandwidth needs
• Virtualized server farms supporting VMware, OpenStack or KVM environments
• Storage area networks (SAN) that rely on 10 Gbps Fibre Channel over Ethernet (FCoE)
• Edge routing and firewall insertion points in service provider access layers

This switch combines robust performance with flexible management, making it an ideal choice for organisations looking to future-proof their network infrastructure while maintaining operational simplicity.