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QFX5100-48S-3AFO
QFX5100, 48 SFP+/SFP ports, 6 QSFP+ ports, redundant fans, 2...
Federal agencies and Fortune 500 operations source through ORM Systems.
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QFX5100-48S-3AFO is a high-performance data center switch built on a robust, ASIC-based architecture that ensures reliable, non-blocking throughput and low latency for modern networking environments. Designed with scalability in mind, it offers flexible power options including redundant power supplies, a rack-mount form factor, and a range of high-speed ports to support mission-critical, high-density applications.
This switch features 48 SFP+ ports alongside dedicated uplink configurations that deliver 40G connectivity for efficient network aggregation. With stacking capabilities that extend its switching capacity and support for Layer 2 and Layer 3 operations, QFX5100-48S-3AFO is ideal for deployments in data centers, cloud infrastructures, enterprise campus networks, and virtualization environments.
QFX5100-48S-3AFO price is is available on request. Get immediate quote.
Request bulk order quote for QFX5100-48S-3AFO for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
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| QFX5100-48S-3AFO |  QFX5100-96S-AFO |  QFX5100-48S-3AFI |  QFX5100-48S-DC-AFI |  QFX5100-48T-AFO | |
|---|---|---|---|---|---|
| Depth | 18 inches | 18.5 inches | 18 inches | 10.7 inches | 17.5 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.7 inches | 1.72 inches | 1.75 inches |
| IOS | IP Services | Junos OS | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5100-48S-3AFO | QFX5100-96S-AFO | QFX5100-48S-3AFI | QFX5100-48S-DC-AFI | QFX5100-48T-AFO |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Twisted Pair |
| Memory | 512 MB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Ethernet Ports | 24–48 Ports | Over 48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | DC Power Supply | AC Power Supply |
| Product Name | Juniper QFX5100-48S-3AFO Switch | Juniper Networks QFX5100-96S-AFO | Juniper QFX5100-48S-3AFI | Juniper Networks QFX5100-48S-DC-AFI Datacenter Switch | Juniper QFX5100-48T-AFO |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | No | No |
| SFP Ports | 48 SFP Ports | 96 x 10GbE SFP+ ports | 48 SFP Ports | 48 SFP Ports | 2 SFP+ Ports |
| Switching Capacity | 1280 Gbps | 1920 Gbps | 1280 Gbps | 1280 Gbps | 720 Gbps |
| Uplink Configuration | 40G | 40G | 40G | 40G | 10G |
| Weight | 14 lbs | 15 lbs | 15 lbs | 21 lbs | 12 lbs |
| Width | 19 inches | 17.5 inches | 17.5 inches | 17.17 inches | 17.5 inches |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable SFP+ switching with consistent airflow.
Good performance for leaf switches.
Stable operation since install.
Easy to manage and configure.
Meets expectations.
The QFX5100-48S-3AFO is a high-performance data center switch featuring 48 SFP+/SFP ports, 6 QSFP+ ports, front-to-back airflow, redundant fans, and dual AC power supplies.
It offers 48 SFP+/SFP ports for 1/10GbE connectivity and 6 QSFP+ ports for 40GbE uplinks, supporting flexible breakout configurations.
It employs front-to-back airflow optimized for hot-aisle/cold-aisle containment in modern data center deployments.
Yes, it features hot-swappable, redundant fans to ensure continuous cooling and high availability.
Yes, it ships with two hot-swappable AC power supplies configured for N+1 redundancy.
The switch runs Juniper’s Junos OS, delivering advanced L2/L3 features, security, and automation.
The QFX5100-48S-3AFO provides up to 1.44 Tbps of switching capacity and 1.44 Bpps line-rate forwarding performance.
It delivers microsecond-class latency (<3 µs) at full load for all packet sizes.
Yes, it supports EVPN-VXLAN, VRF, and logical systems for multi-tenant network virtualization.
It supports Junos Automation Scripts, Junos PyEZ, Ansible, Puppet, SaltStack, and Junos Telemetry Interface for CI/CD workflows.
It provides an out-of-band management port, USB console, SNMP, REST APIs, and streaming telemetry via JTI.
Ideal for leaf-spine architectures, server access, high-density aggregation, and cloud data center deployments.
It consumes around 400 W under full load and supports IEEE 802.3az Energy Efficient Ethernet to lower OPEX.
Juniper offers a limited lifetime hardware warranty and optional Juniper Care service for 24×7 technical support and advance replacement.
It seamlessly integrates into EVPN-VXLAN and MLAG topologies over Junos OS, enabling scalable, resilient leaf-spine designs.
The QFX5100-48S-3AFO is available through authorized Juniper distributors, resellers, and Juniper’s online store.
United States
