N9K-X9736C-FX Cisco Nexus 9500 36-Port Ethernet Expansion Module QSFP

Cisco N9K-X9736C-FX 36 Ports Nexus 9500 Ethernet Expansion 

The Cisco N9K-X9736C-FX is a high-performance Ethernet expansion module designed to enhance the scalability, flexibility, and networking capabilities of Cisco Nexus 9500 Series switches. Built for modern data center environments, this expansion module delivers exceptional bandwidth capacity through 36 ports of 100 Gigabit Ethernet QSFP28 connectivity. It provides organizations with a reliable solution for expanding network infrastructure while supporting demanding workloads such as cloud computing, virtualization, artificial intelligence, high-performance computing, and large-scale enterprise applications.

Designed by Cisco, a leading provider of enterprise networking solutions, the N9K-X9736C-FX expansion module enables high-density connectivity and efficient data transmission. With advanced 100Gbps Ethernet performance, this module helps businesses build agile and future-ready networks capable of handling increasing traffic demands. It is specifically engineered for compatibility with Cisco Nexus 9500 Series modular switches, ensuring seamless integration and optimized network operations.

General Information

• Manufacturer: Cisco
• Part Number: N9K-X9736C-FX
• Device Type: Ethernet Expansion Module

Technical Specifications 

• Product Family: Cisco Nexus 9500 Series
• Network Ports: 36 x 100 Gigabit Ethernet QSFP28 Ports
• Port Type: QSFP28 Ethernet Interface
• Performance: 100Gbps Ethernet
• Application: Data Center Network Expansion

Cisco N9K-X9736C-FX Expansion Module Key Features

• Equipped with 36 high-speed 100 Gigabit Ethernet QSFP28 ports for advanced network connectivity.
• Supports 100Gbps Ethernet performance for fast and efficient data transfer.
• Designed specifically for Cisco Nexus 9500 Series modular switches.
• Provides high-density expansion capabilities for large-scale data center networks.
• Supports modern cloud, virtualization, and enterprise networking environments.
• Helps improve network scalability and bandwidth availability.
• Offers reliable Cisco engineering for mission-critical applications.

High-Speed QSFP28 Port Technology

• Supports high-speed 100Gb Ethernet networking applications.
• Provides flexible connectivity for various optical transceiver solutions.
• Enables simplified network expansion with fewer physical connections.
• Optimizes rack space utilization through high port density.

Enterprise Data Center Networking Solution

• Ideal for enterprise data centers and service provider networks.
• Supports high-volume traffic environments.
• Helps simplify network architecture through high-speed connectivity.
• Provides investment protection with next-generation Ethernet technology.

Applications of Cisco Nexus N9K-X9736C-FX Module

• Large enterprise data centers
• Cloud infrastructure deployments
• Virtualized server environments
• High-performance computing networks
• Storage networking environments
• Internet service provider infrastructures
• Large-scale campus network cores

Cisco N9K-X9736C-FX Nexus 9500 Ethernet Expansion Module 

The Cisco N9K-X9736C-FX 36 Ports Nexus 9500 Ethernet Expansion Module QSFP is a high-performance networking expansion component designed for modern enterprise data centers, cloud infrastructure environments, and large-scale network deployments. Built for the Cisco Nexus 9500 Series modular switches, this expansion module delivers high-density connectivity, advanced scalability, and exceptional bandwidth capacity for organizations that require reliable and efficient data center switching solutions.

As part of the Cisco Nexus 9500 Series line card and expansion module family, the N9K-X9736C-FX provides multiple QSFP interfaces that support high-speed Ethernet connectivity. It is engineered to meet the growing demands of virtualization, cloud computing, artificial intelligence workloads, storage networking, and high-performance applications where network speed, flexibility, and operational efficiency are essential.

The Cisco N9K-X9736C-FX 36-port QSFP expansion module enables businesses to expand their network capacity while maintaining a streamlined and scalable infrastructure. With support for advanced Ethernet technologies, this module helps data centers achieve greater throughput, simplified architecture, and improved network performance while integrating seamlessly with Cisco Nexus 9500 modular switching platforms.

High-Density QSFP Connectivity for Enterprise Data Centers

Modern data centers require networking solutions capable of handling massive volumes of traffic generated by cloud services, databases, applications, and connected devices. The Cisco N9K-X9736C-FX addresses these requirements by providing 36 QSFP ports in a compact expansion module design. This high-density configuration allows organizations to maximize rack space utilization while increasing the number of available high-speed network connections.

QSFP-based connectivity provides a flexible approach for deploying high-bandwidth Ethernet links. The ports can support various optical and direct-attach cable solutions depending on network requirements, enabling administrators to create efficient connections between switches, servers, storage systems, and other network devices. This flexibility makes the Cisco N9K-X9736C-FX suitable for a wide range of data center architectures.

Advanced Ethernet Expansion Capabilities

The Cisco N9K-X9736C-FX Ethernet Expansion Module is designed to deliver reliable performance in demanding networking environments. It provides organizations with the ability to expand their Cisco Nexus 9500 infrastructure without replacing existing switching platforms. By adding additional QSFP connectivity, enterprises can increase network capacity and support future growth requirements.

This expansion module is optimized for environments where bandwidth-intensive applications require consistent and dependable data transmission. Enterprises can utilize this module for server aggregation, spine-and-leaf network designs, data center interconnects, and high-speed uplink configurations. Its architecture supports efficient traffic handling and helps reduce network bottlenecks in large-scale deployments.

Optimized Performance for High-Bandwidth Applications

The increasing adoption of cloud platforms, virtualization technologies, and distributed computing systems has created a need for faster and more efficient networking hardware. The Cisco N9K-X9736C-FX provides the connectivity foundation required for these modern applications by offering numerous high-speed QSFP ports within a single module.

Organizations can leverage this module to support demanding workloads such as real-time analytics, large database operations, video processing, scientific computing, and enterprise cloud applications. The high-density interface design allows networks to handle increasing traffic volumes while maintaining performance and reliability.

Cisco Nexus 9500 Series Integration and Scalability

The Cisco N9K-X9736C-FX is specifically developed for Cisco Nexus 9500 Series modular switches, providing seamless integration with Cisco’s advanced data center networking ecosystem. The Nexus 9500 platform is recognized for its modular architecture, high scalability, and ability to support evolving network requirements.

By adding the Cisco N9K-X9736C-FX expansion module, organizations can extend the capabilities of their existing Nexus 9500 deployments. This approach allows businesses to scale network infrastructure according to operational needs while protecting existing technology investments.

Flexible Deployment in Modern Network Architectures

The Cisco N9K-X9736C-FX QSFP expansion module supports flexible deployment models commonly used in contemporary data centers. Whether implemented in traditional enterprise networks or next-generation cloud environments, this module provides the connectivity options needed to build efficient and scalable network architectures.

Many organizations are adopting leaf-and-spine architectures to improve east-west traffic flow within data centers. The Cisco N9K-X9736C-FX fits naturally into these designs by providing high-speed connections between network layers. This enables faster communication between servers and applications while improving overall network efficiency.

Supporting Cloud and Virtualized Infrastructure

Cloud computing and virtualization have transformed the way businesses design and manage their IT environments. These technologies require networking hardware capable of delivering consistent performance across highly dynamic workloads. The Cisco N9K-X9736C-FX expansion module helps meet these demands by providing a scalable connectivity solution for virtualized and cloud-based infrastructures.

Virtual machines, containers, software-defined networking platforms, and cloud applications often generate significant network traffic. High-density QSFP connectivity allows organizations to create networks that can accommodate these workloads while maintaining operational stability and predictable performance.

Future-Ready Data Center Expansion

Investing in scalable networking components is essential for organizations planning long-term infrastructure growth. The Cisco N9K-X9736C-FX enables businesses to expand their network capacity gradually without requiring complete hardware replacement. This modular approach helps reduce costs while ensuring that the network can adapt to changing technology requirements.

Key Features of Cisco N9K-X9736C-FX Ethernet Expansion Module

The Cisco N9K-X9736C-FX 36 Ports Nexus 9500 Ethernet Expansion Module includes a range of features designed to support enterprise-grade networking environments. Its combination of high port density, QSFP connectivity, and Cisco Nexus compatibility makes it a valuable component for organizations requiring dependable data center switching performance.

36-Port QSFP Interface Design

One of the primary advantages of the Cisco N9K-X9736C-FX is its 36-port QSFP interface configuration. This design provides a significant number of high-speed connections within a single expansion module, allowing administrators to deploy efficient and organized network environments.

The high port count reduces the need for multiple expansion components and helps simplify network management. By consolidating connectivity options into a single module, organizations can improve cable management, reduce infrastructure complexity, and create cleaner data center layouts.

Reliable Cisco Engineering and Quality

Cisco networking hardware is widely recognized for its reliability, performance, and enterprise-focused engineering. The Cisco N9K-X9736C-FX follows Cisco’s standards for professional data center deployments, providing organizations with confidence in their network infrastructure.

The module is designed to operate as part of a comprehensive Cisco Nexus ecosystem, allowing administrators to benefit from centralized management, advanced monitoring capabilities, and integration with existing Cisco networking tools.

Efficient Network Management and Operations

Managing large-scale networks requires hardware that supports simplified administration and operational efficiency. The Cisco N9K-X9736C-FX works alongside Cisco Nexus platforms to provide enhanced visibility and control over network resources.

Network administrators can use Cisco management solutions to monitor performance, identify potential issues, and optimize traffic flow. This improves operational efficiency and helps organizations maintain reliable network services.

Applications of Cisco N9K-X9736C-FX Expansion Module

The Cisco N9K-X9736C-FX 36 Ports QSFP Expansion Module is suitable for a wide range of networking applications. Its high-density design and enterprise-level capabilities make it an ideal choice for organizations operating complex data center environments.

Enterprise Data Center Networking

Large enterprises rely on robust networking infrastructure to support business applications, communication platforms, and digital services. The Cisco N9K-X9736C-FX provides additional connectivity capacity for enterprise data centers that require reliable and scalable Ethernet performance.

It can be deployed in environments where businesses need additional bandwidth for server connections, network aggregation, and data center expansion projects. The module supports organizations as they modernize their IT infrastructure and prepare for increasing connectivity demands.

Cloud Service Provider Environments

Cloud service providers require highly scalable networking platforms capable of supporting thousands of users and applications. The Cisco N9K-X9736C-FX provides the port density and performance needed for cloud-oriented network designs.

Its QSFP connectivity allows service providers to create efficient high-speed links between network components, improving service delivery and supporting the growing demand for cloud-based resources.

High-Performance Computing and Storage Networks

High-performance computing environments and storage-intensive applications require extremely fast communication between systems. The Cisco N9K-X9736C-FX helps enable these environments by providing high-speed network expansion capabilities.

Research institutions, financial organizations, engineering companies, and technology enterprises can benefit from its ability to support demanding workloads that require rapid data exchange and consistent network performance.

Benefits of Choosing Cisco N9K-X9736C-FX Nexus 9500 Module

The Cisco N9K-X9736C-FX provides several advantages for organizations looking to improve their data center networking capabilities. Its modular design, high-density QSFP ports, and Cisco Nexus compatibility make it an effective solution for expanding enterprise networks.

By implementing this expansion module, businesses can increase available network connections, improve bandwidth availability, and create a more scalable infrastructure. The ability to expand existing Cisco Nexus 9500 platforms helps organizations avoid unnecessary hardware replacements and supports long-term technology planning.

Improved Bandwidth Availability

Higher bandwidth requirements continue to increase as businesses adopt advanced technologies and digital services. The Cisco N9K-X9736C-FX helps address these challenges by providing additional high-speed Ethernet connectivity for modern network environments.

Enhanced Infrastructure Flexibility

Network requirements frequently change as organizations grow and adopt new applications. The modular nature of the Cisco N9K-X9736C-FX provides flexibility, allowing businesses to adapt their infrastructure without major redesigns.

Enterprise-Grade Networking Solution

The Cisco N9K-X9736C-FX 36 Ports Nexus 9500 Ethernet Expansion Module QSFP represents a powerful networking solution for organizations seeking dependable, scalable, and high-performance connectivity. Designed for Cisco Nexus 9500 platforms, it delivers the flexibility and capacity required for modern data center operations.

With its high-density QSFP interfaces, advanced Ethernet capabilities, and integration with Cisco’s enterprise networking ecosystem, the Cisco N9K-X9736C-FX helps businesses build efficient infrastructures capable of supporting current workloads and future expansion requirements.