### Juniper QFX5100-48S-3AFI
**Full Part Number:** QFX5100-48S-3AFI  
**Manufacturer:** Juniper Networks
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#### Overview
The Juniper QFX5100-48S-3AFI is a high-performance, ultra-low-latency 10GbE data center switch designed for demanding enterprise and service provider environments. With 48 SFP+ ports, it provides scalable, flexible networking solutions that meet the needs of growing data centers, cloud environments, and high-performance computing (HPC). The switch offers comprehensive Layer 2 and Layer 3 features, advanced automation capabilities, and seamless integration into existing Juniper networks.
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#### Key Features
- **High Port Density:** 48 SFP+ ports support 10GbE or 1GbE connections, ensuring flexible connectivity options.
- **Advanced Performance:** Ultra-low latency and high throughput, designed for high-demand applications.
- **Layer 2 and Layer 3 Support:** Includes robust L2/L3 protocols for routing, switching, and traffic management.
- **Automation and Programmability:** Supports automation through OpenConfig, Puppet, Chef, and other tools, simplifying network management.
- **Redundant Power Supply:** Ensures continuous operation with dual hot-swappable power supplies for high availability.
- **Energy-Efficient Design:** Front-to-back or back-to-front airflow options, providing flexibility for various data center cooling configurations.
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#### Applications
- **Data Centers:** Ideal for deployment in large-scale data centers requiring high port density and ultra-low latency.
- **Cloud Environments:** Perfect for cloud service providers needing scalable and programmable networking solutions.
- **Enterprise Networks:** Suitable for enterprise networks that require advanced features, high performance, and reliability.
- **High-Performance Computing (HPC):** Supports latency-sensitive applications such as financial services, scientific research, and AI.
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#### Specifications
- **Ports:** 48 x 10GbE SFP+ ports
- **Switching Capacity:** 1.44 Tbps
- **Forwarding Capacity:** 1.08 Bpps
- **Latency:** Ultra-low latency (below 550 nanoseconds)
- **Airflow:** Front-to-back or back-to-front (AFI model)
- **Power Supply:** Dual redundant, hot-swappable power supplies
- **Automation:** Supports automation frameworks like OpenConfig, Chef, Puppet, and Ansible
- **Management:** Junos OS with a rich set of L2/L3 features
- **Dimensions:** 1.75 x 17.4 x 18.1 inches (HxWxD)
- **Weight:** 19.8 lbs (9 kg)
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#### Why Choose the Juniper QFX5100-48S-3AFI?
- **Scalable Performance:** The QFX5100-48S-3AFI provides industry-leading scalability and performance for growing data centers and cloud networks.
- **High Availability:** With redundant, hot-swappable power supplies and fans, the switch ensures maximum uptime and reliability.
- **Flexible Connectivity:** The 48 SFP+ ports offer versatile options for 1GbE and 10GbE connections, meeting a wide range of network needs.
- **Advanced Automation:** Built-in support for network automation simplifies management and reduces operational complexity.
- **Energy Efficient:** Designed to optimize cooling efficiency with multiple airflow configurations, reducing operational costs.
The Juniper QFX5100-48S-3AFI is an ideal choice for businesses looking for high-performance, reliable, and scalable network switching solutions.