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High density SFP+ switch with excellent airflow.
QFX5100-96S-AFO
QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-AFO
QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-AFO is a high-performance fixed-configuration switch engineered for data center and campus network environments. It leverages a robust architecture with 96 x 10GbE SFP+ ports and 6 x 40GbE QSFP+ uplinks that provide low latency, high throughput, and resilient connectivity. The switch supports redundant power supply options and is designed to fit into a standard 1 RU rack-mount enclosure, ensuring reliable power delivery in mission-critical applications.
QFX5100-96S-AFO also delivers advanced scalability and stacking capabilities that allow network operators to expand capacity and build highly available infrastructures. Its combined Layer 2 and Layer 3 features offer flexibility for diverse use cases such as server interconnects, cloud aggregation, and high-performance computing, all while running the robust Junos OS to ensure secure and efficient network operations.
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Deploy QFX5100-96S-AFO-QFX5100 as a leaf switch in a large-scale enterprise spine-leaf data center. With 96 1/10G SFP+ server connections and 8 40G QSFP uplinks, this configuration accelerates east-west traffic, supports multi-tenant virtualization, and delivers sub-2µs latency. Redundant fans and PSUs plus front-to-back airflow ensure 99.999% uptime and seamless integration into existing hot-aisle/cold-aisle layouts, driving operational efficiency and future-proof scalability.
Integrate QFX5100-96S-AFO-QFX5100 as the core switch for HPC and AI/ML clusters. Its 96 10GbE links connect GPU servers in dense racks, while 8 40GbE QSFP ports aggregate node traffic to storage and analytics nodes. Front-to-back airflow and power redundancy maintain optimal thermal and power conditions under maximum load. The result is streamlined data feeds, sub-microsecond jitter, and accelerated time-to-results for compute-intensive workloads.
Use QFX5100-96S-AFO-QFX5100 to aggregate customer sites in a metro core POP. Its 96 1/10G SFP+ ports terminate business customer circuits, while 8 40G QSFP ports uplink to the provider’s backbone. Redundant fans, AC PSUs, and front-to-back airflow guarantee continuous operation in hot telecom environments. This deployment delivers predictable SLA-backed bandwidth, rapid service turn-up, and simplified OAM workflows, boosting customer satisfaction and operational profitability.
To get the detailed certification, please go to the Compliance Center.
 QFX5100-96S-AFO |  QFX5100-24Q-AA-AFI |  QFX5100-48T-AFI |  QFX5100-48S-DC-AFI |  QFX5100-24Q-AFO | |
|---|---|---|---|---|---|
| Depth | 18.5 inches | 17 inches | 18 inches | 10.7 inches | 18.5 inches |
| Ethernet Technology | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 | 40G |
| 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 | 1.73 inches | 1.75 inches | 1.75 inches | 1.72 inches | 1.75 inches |
| IOS | Junos OS | IP Services | IP Services | IP Services | Junos OS |
| Interface Ports | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 | N/A |
| 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-AFO | QFX5100-24Q-AA-AFI | QFX5100-48T-AFI | QFX5100-48S-DC-AFI | QFX5100-24Q-AFO |
| Media Type Supported | Fiber | Fiber | Twisted Pair | Fiber | Fiber |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 256 MB |
| Number of Downlink Ports | 96 Ports | 24 Ports | 48 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | Over 48 Ports | 12–24 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 | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | 24 x 40GbE QSFP ports, 4 x 10GbE SFP+ ports | 48 x 10GBase-T ports and 4 x 40G QSFP+ uplink ports | N/A | 24 x 40GbE QSFP+ Ports |
| Power Consumption | 370 W | 250 W | 220W | 300W | 200 W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | DC Power Supply | AC Power Supply |
| Product Name | Juniper Networks QFX5100-96S-AFO | Juniper QFX5100-24Q-AA-AFI Switch | Juniper Networks QFX5100-48T-AFI Ethernet Switch | Juniper Networks QFX5100-48S-DC-AFI Datacenter Switch | Juniper QFX5100-24Q-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 | No | No | No |
| SFP Ports | 96 x 10GbE SFP+ ports | 4 SFP Ports | 4 SFP Ports | 48 SFP Ports | N/A |
| Switching Capacity | 1920 Gbps | 1280 Gbps | 1440 Gbps | 1280 Gbps | 1440 Gbps |
| Switching Capacity with Stacking | N/A | N/A | N/A | N/A | N/A |
| Uplink Configuration | 40G | 40G | 10G | 40G | 40G |
| Weight | 15 lbs | 15 lbs | 19 lbs | 21 lbs | 12 lbs |
| Width | 17.5 inches | 19 inches | 17.5 inches | 17.17 inches | 17.5 inches |
High density SFP+ switch with excellent airflow.
Consistent performance in large fabrics.
Front to back airflow kept cooling efficient.
Very stable under load.
Excellent data center switch.
The Juniper QFX5100-96S-AFO delivers 96 1/10 GbE SFP+ ports, eight 40 GbE QSFP+ uplinks, redundant AC power supplies and fans, and front-to-back airflow for optimized data center deployment.
The QFX5100-96S-AFO offers up to 1.92 Tbps of switching capacity and 1.44 Bpps forwarding performance to support high-density, low-latency environments.
This model provides 96 SFP+ ports for 1 GbE/10 GbE connectivity and eight QSFP+ ports for 40 GbE uplinks, enabling flexible aggregation and spine-leaf topologies.
Yes. The QFX5100-96S-AFO is designed with front-to-back airflow to comply with hot-aisle/cold-aisle data center cooling strategies.