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Very high port density with excellent performance.
QFX5100-96S-AFI
QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-AFI
QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-AFI is a high-performance, rack-mount switch engineered with a scalable architecture that supports complex data center and cloud deployments. Built with advanced silicon and multi-threaded processing, it delivers exceptional performance and low latency while supporting versatile power options and stacking capabilities.
QFX5100-96S-AFI features 96 10G SFP+ ports that enable high-density 10G Ethernet connectivity, making it ideal for spine-leaf architectures and high-performance data center interconnects. The switch is designed for both Layer 2 and Layer 3 operations, ensuring flexibility across use cases that demand high throughput, resilient connectivity, and scalability for growing network demands.
QFX5100-96S-AFI price is is available on request. Get immediate quote.
Request bulk order quote for QFX5100-96S-AFI for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
In a global cloud provider’s leaf-spine data center, the QFX5100-96S-AFI-QFX5100 consolidates 96 1/10G SFP+ server links with 8 40G QSFP uplinks to spine switches. Its redundant fans and PSUs, AC power and back-to-front airflow integrate seamlessly into hot-aisle containment racks. Benefit: Delivers 4× greater port density, 99.999% availability and streamlined cabling for scalable, high-performance cloud workloads.
A leading trading firm deploys dual QFX5100-96S-AFI-QFX5100 units in active/backup mode to interconnect market data servers via 96 1/10G SFP+ ports and 8 40G QSFP ports to core routers. The switches’ redundant fans and PSUs, AC supply and back-to-front airflow comply with strict data-hall cooling schemes. Benefit: Achieves sub-microsecond latency, 99.999% uptime and regulatory compliance for mission-critical trade execution.
A research institution implements QFX5100-96S-AFI-QFX5100 as the backbone for GPU-accelerated AI/ML compute clusters, linking 96 10G SFP+ nodes and 8 40G QSFP uplinks. Redundant fans and PSUs with AC power and back-to-front airflow ensure optimal thermal performance under intense workloads. Benefit: Enables 2× faster model training, uninterrupted operation and predictable throughput for large-scale data analytics.
To get the detailed certification, please go to the Compliance Center.
 QFX5100-96S-AFI |  QFX5100-96S-DC-AFO |  QFX5100-48S-3AFO |  QFX5100-48S-DC-AFO |  QFX5100-24Q-AA-AFI | |
|---|---|---|---|---|---|
| Depth | 18 inches | 10 inches | 18 inches | 18 inches | 17 inches |
| Ethernet Technology | 10G | 10/100/1000 | 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 | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | N/A | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10G | 10/100/1000 | 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 | QFX5100-96S-AFI | QFX5100-96S-DC-AFO | QFX5100-48S-3AFO | QFX5100-48S-DC-AFO | QFX5100-24Q-AA-AFI |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber |
| Memory | 4 GB | 4 GB | 512 MB | 4 GB | 4 GB |
| Number of Downlink Ports | N/A | N/A | 48 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | Over 48 Ports | Over 48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 96x 10GbE SFP+ ports | N/A | N/A | 24 x 40GbE QSFP ports, 4 x 10GbE SFP+ ports |
| Power Consumption | N/A | N/A | 350 W | N/A | 250 W |
| Power Source | Redundant Power Supply / AC Power Supply | DC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Juniper QFX5100-96S-AFI | Juniper QFX5100-96S-DC-AFO Data Center Ethernet Switch | Juniper QFX5100-48S-3AFO Switch | Juniper QFX5100-48S-DC-AFO | Juniper QFX5100-24Q-AA-AFI Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | No | Yes |
| SFP Ports | 96 SFP Ports | 96 SFP Ports | 48 SFP Ports | 48 SFP Ports | 4 SFP Ports |
| Switching Capacity | 2560 Gbps | 1280 Gbps | 1280 Gbps | 1280 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | N/A | 2560 Gbps | 2560 Gbps | 1280 Gbps | N/A |
| Uplink Configuration | 10G | 40G | 40G | 10G | 40G |
| Weight | 30 lbs | 16 lbs | 14 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17.5 inches | 19 inches | 17.5 inches | 19 inches |
Very high port density with excellent performance.
Handles large scale fabrics reliably.
Airflow-in design works well.
Outstanding throughput and stability.
Ideal for dense leaf roles.
The QFX5100-96S-AFI is a 1RU data center switch featuring 96 1/10 Gb SFP+ ports, 8 40 Gb QSFP ports, Junos OS, AC power, redundant fans and PSUs, and back-to-front airflow for high-density, low-latency environments.
This model provides 96 SFP+ ports supporting 1/10 Gb Ethernet and 8 QSFP ports supporting 40 Gb Ethernet, enabling high-density connectivity for TOR, spine, or leaf roles in modern data centers.
The QFX5100-96S-AFI delivers up to 2.56 Tbps switching capacity and sub-600 ns latency, ensuring wire-speed performance for east-west traffic in demanding cloud and enterprise networks.
The switch runs Juniper’s Junos OS, offering a single, modular code base for consistent operations, advanced automation, and comprehensive feature sets including EVPN, VXLAN, MLAG, BGP, and OSPF.