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High density SFP+ switch with excellent airflow.
QFX5100-96S-AFO
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QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-AFO
- Description:
- QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and PSUs, AC, Front to Back airflow
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- Juniper
- GTIN:
- 832938070004
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QFX5100-96S-AFO Overview
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.
QFX5100-96S-AFO price is is available on request. Get immediate quote.
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QFX5100-96S-AFO Specifications
- Product Type
- Switch
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Manageable
- Managed
- POE Support
- Non POE
- Rack Units
- 1 RU
- Height
- 1.73 inches
- Power Source
- Redundant Power Supply / AC Power Supply
- Redundant Power Supply Supported
- Yes
- Flash Memory
- 256 MB
- Width
- 17.5 inches
- Power Consumption
- 370 W
- Switching Capacity with Stacking
- N/A
- Uplink Configuration
- 40G
- Number of Ethernet Ports
- Over 48 Ports
- Memory
- 4 GB
- Media Type Supported
- Fiber
- Weight
- 15 lbs
- Depth
- 18.5 inches
- Ethernet Technology
- 10GbE
- Switching Capacity
- 1920 Gbps
- Number of Downlink Ports
- 96 Ports
- Manufacturer Part Number
- QFX5100-96S-AFO
- IOS
- Junos OS
- SFP Ports
- 96 x 10GbE SFP+ ports
- Interface Ports
- 10GbE
- Port/Expansion Slot Details
- Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports
- Product Name
- Juniper Networks QFX5100-96S-AFO
QFX5100-96S-AFO Use Case
High-Density Leaf Switch for Enterprise Spine-Leaf Fabrics
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.
Ultra-Low Latency Interconnect for High-Performance Compute Clusters
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.
Edge Aggregation in Service Provider Metro Core
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 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 |
Reviews & Ratings
J
Jonathon Beck
4
Consistent performance in large fabrics.
E
Ewan Pritchard
5
Front to back airflow kept cooling efficient.
M
Miles Thorpe
4
Very stable under load.
A
Angus Whitmore
4
Excellent data center switch.
Questions & Answers
What are the key features of the QFX5100-96S-AFO 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.
What is the total throughput of the QFX5100-96S-AFO?
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.
How many 1/10 GbE and 40 GbE ports does this switch support?
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.
Does the QFX5100-96S-AFO support front-to-back airflow?
Yes. The QFX5100-96S-AFO is designed with front-to-back airflow to comply with hot-aisle/cold-aisle data center cooling strategies.
Are the power supplies and fans in the QFX5100-96S-AFO redundant?
Yes. The switch includes dual hot-swappable AC power supplies and redundant fans for continuous operation and high availability.
What software platform runs on the QFX5100-96S-AFO?
The QFX5100-96S-AFO runs Junos OS, providing carrier-grade routing, automation, and extensive Layer 2/Layer 3 feature sets.
Does the QFX5100-96S-AFO support EVPN and VXLAN?
Yes. It fully supports VXLAN routing and EVPN control plane for scalable multi-tenant overlays and modern data center fabrics.
What latency can I expect from this switch?
The QFX5100-96S-AFO delivers microsecond-class latency (as low as 1 µs) for wire-speed forwarding in demanding environments.
Is the QFX5100-96S-AFO rack-mountable?
Yes. It is a 1U form-factor switch with front mounting brackets, compatible with standard 19-inch server racks.
How is power consumption optimized on the QFX5100-96S-AFO?
It employs energy-efficient power supplies, fan speed control, and ASIC-level power optimization to minimize data center power usage.
What management options are available for this switch?
You can manage the QFX5100-96S-AFO via Junos CLI, Junos Space, REST APIs, NETCONF, and SNMP for flexible automation and monitoring.
Can the QFX5100-96S-AFO be used as both leaf and spine in a data center fabric?
Yes. Its port density, high throughput, and advanced routing features make it ideal for both leaf and spine roles in Clos architectures.
What environmental specifications does the QFX5100-96S-AFO meet?
It operates between 0 °C and 40 °C, at altitudes up to 5,000 m, and meets NEBS Level 3 and CE/FCC safety standards.
What warranty and support options are available?
Juniper offers a limited lifetime warranty on hardware components, plus optional Juniper Care support for advanced replacement and 24/7 technical assistance.
How scalable is the QFX5100-96S-AFO for growing networks?
Scalable port density, EVPN/VXLAN support, and broad automation interfaces ensure seamless expansion and integration into large-scale fabrics.
What typical use cases are best suited for the QFX5100-96S-AFO?
It is ideal for data center leaf/spine deployments, high-performance computing clusters, cloud on-ramp switches, and enterprise core aggregation.