N9K-X9736PQ Cisco Nexus 9500 Expansion module, 36 Ports

Cisco N9K-X9736PQ Nexus 9500 ACI Spine Line Card Overview

The Cisco N9K-X9736PQ Nexus 9500 ACI Spine Line Card is a high-performance expansion module designed to enhance the capabilities of Cisco Nexus 9500 Series switches. Built for modern data center environments, this 36-port 40 Gigabit QSFP+ line card delivers exceptional scalability, high-speed connectivity, and efficient network performance for Application Centric Infrastructure (ACI) spine deployments. It provides organizations with a reliable solution for expanding their network backbone while supporting demanding enterprise and cloud-based workloads.

Designed by Cisco, the N9K-X9736PQ delivers advanced switching capacity and flexible architecture for large-scale data center networks. This expansion module enables seamless integration with Cisco Nexus 9500 platforms, allowing businesses to increase port density, improve bandwidth availability, and build a resilient high-speed infrastructure.

General Information

• Manufacturer: Cisco
• Part Number: N9K-X9736PQ
• Device Type: Network Expansion Line Card

Technical Specifications

• Product Name: Nexus 9500 ACI Spine Line Card 36-Port 40G
• Total Expansion Slots: 36 Ports
• Expansion Interface: QSFP+
• Network Speed: 40 Gigabit Ethernet
• Form Factor: Modular Line Card

Benefits for Data Center Networking

• Improves network scalability with additional high-speed ports.
• Supports large-scale data center fabric designs.
• Enhances traffic management between network layers.
• Provides consistent performance for mission-critical applications.
• Helps reduce network complexity through ACI-based architecture.

High-Speed 40G QSFP+ Connectivity Advantages

Ideal Applications for 40G Networking

• Enterprise data center backbone networks.
• Cloud infrastructure environments.
• Virtualized server deployments.
• High-performance computing applications.
• Large-scale storage networking solutions.
• Private and hybrid cloud architectures.

Key Reasons to Deploy Cisco N9K-X9736PQ

• High-density 40G port expansion for Nexus 9500 switches.
• Designed for ACI spine networking environments.
• Supports scalable data center growth.
• Provides flexible QSFP+ connectivity options.
• Helps improve network efficiency and performance.
• Ideal for enterprise-grade switching requirements.

Cisco N9K-X9736PQ Nexus 9500 36 Ports ACI Spine Linecard 

The Cisco N9K-X9736PQ Nexus 9500 36 Ports ACI Spine Linecard is a high-performance expansion module designed for enterprise data centers, cloud environments, and modern network infrastructures that require exceptional bandwidth, scalability, and low-latency connectivity. Built for the Cisco Nexus 9500 Series modular switches, this advanced line card provides powerful spine-layer capabilities for Application Centric Infrastructure (ACI) deployments while supporting demanding east-west traffic patterns commonly found in virtualization, cloud computing, and large-scale data center architectures.

Designed with next-generation networking requirements in mind, the Cisco N9K-X9736PQ delivers high-density connectivity through multiple QSFP+ ports, enabling organizations to build flexible and efficient spine networks. This module enhances the capabilities of Cisco Nexus 9500 Series switches by providing additional interface capacity, optimized forwarding performance, and seamless integration with Cisco ACI solutions. It is engineered to support high-speed data transmission, simplified network management, and consistent performance across large-scale environments.

Cisco Nexus 9500 Series Expansion Module for Advanced Data Center Networks

The Cisco N9K-X9736PQ belongs to the Cisco Nexus 9500 Series family of modular line cards created for high-performance data center switching. The Nexus 9500 platform is widely recognized for its modular architecture, operational efficiency, and ability to support evolving network demands. By adding the N9K-X9736PQ linecard, organizations can increase the port density of their chassis-based switching infrastructure without replacing existing hardware.

This ACI spine linecard is specifically optimized for environments where consistent throughput, application awareness, and automated network policies are essential. In Cisco Application Centric Infrastructure deployments, spine switches form the backbone of the fabric, providing connectivity between leaf switches and ensuring efficient communication throughout the data center. The N9K-X9736PQ helps deliver the performance and reliability required for these high-volume networking scenarios.

High-Density 36-Port QSFP Connectivity

The Cisco N9K-X9736PQ features 36 QSFP+ ports that provide high-density connectivity for data center backbone applications. QSFP technology allows multiple lanes of high-speed communication within a compact form factor, making it ideal for organizations that need to maximize rack space while maintaining superior network performance.

Each QSFP+ interface supports flexible connectivity options depending on the selected optical modules, direct attach cables, and network architecture requirements. This flexibility allows administrators to design customized solutions for short-distance rack connections, medium-range data center links, and longer-distance fiber-based deployments.

Optimized Performance for Spine Layer Networking

Spine switches play a critical role in modern leaf-spine architectures by providing fast and reliable communication paths between multiple network segments. The Cisco N9K-X9736PQ is developed specifically for these high-performance environments where bandwidth availability and predictable latency are essential.

With its high port density and advanced forwarding capabilities, this linecard supports large-scale workloads including virtualization platforms, cloud applications, database systems, artificial intelligence workloads, and high-performance computing environments. It helps organizations maintain smooth traffic flow even when applications generate significant amounts of data between servers and storage systems.

Cisco N9K-X9736PQ ACI Spine Linecard Features and Capabilities

The Cisco N9K-X9736PQ Nexus 9500 linecard provides a comprehensive set of features designed to simplify data center networking while improving operational efficiency. Its integration with Cisco ACI allows organizations to move beyond traditional network configurations and adopt policy-driven automation for improved agility and control.

Application Centric Infrastructure Support

Cisco Application Centric Infrastructure is a software-defined networking solution that enables centralized policy management, automated provisioning, and application-focused network operations. The N9K-X9736PQ is designed to function as part of an ACI fabric, where spine and leaf switches work together to create an intelligent and programmable network environment.

Through ACI integration, businesses can define application requirements rather than manually configuring individual network devices. This approach reduces administrative complexity, improves consistency, and enables faster deployment of new applications and services.

Scalable Fabric Architecture

Modern enterprises require networks that can expand quickly as business applications, cloud services, and connected devices continue to grow. The Cisco N9K-X9736PQ supports scalable fabric architectures by providing additional high-speed interfaces within Cisco Nexus 9500 chassis systems.

Its modular design allows organizations to increase network capacity gradually, helping protect infrastructure investments while preparing for future bandwidth requirements. This scalability makes the linecard suitable for large enterprises, service providers, research facilities, and cloud data centers.

Efficient Data Center Traffic Management

The growth of virtualization and distributed applications has changed how data moves inside modern data centers. Traditional north-south traffic patterns have evolved into complex east-west communication flows between servers, applications, and storage platforms.

The Cisco N9K-X9736PQ addresses these challenges by providing high-speed connectivity at the spine layer, helping reduce congestion and maintain efficient communication paths. Its advanced architecture supports demanding workloads where application responsiveness and network availability are critical.

Enterprise Data Center Networking with Cisco Nexus 9500 Linecards

Cisco Nexus 9500 Series linecards are designed for organizations that require carrier-grade reliability combined with enterprise-level flexibility. The N9K-X9736PQ enhances these capabilities by providing a powerful interface module that supports high-capacity networking environments.

Large organizations often operate multiple applications, databases, cloud platforms, and virtualized workloads simultaneously. These environments require networking equipment that can handle increasing traffic volumes while maintaining consistent performance. The Cisco N9K-X9736PQ provides the connectivity foundation required for these complex infrastructures.

Supporting Cloud and Virtualized Environments

Cloud computing and virtualization have increased the demand for flexible and scalable networking solutions. Virtual machines, containers, and distributed applications frequently communicate across different areas of the data center, creating a need for high-bandwidth switching infrastructure.

The Cisco N9K-X9736PQ supports these environments by enabling fast communication between network devices and providing the backbone connectivity needed for cloud-based applications. Its compatibility with Cisco Nexus 9500 platforms allows organizations to build resilient and adaptable networks.

Designed for High Availability Networks

Network downtime can significantly impact business operations, which is why modern data centers require highly available infrastructure. Cisco Nexus platforms are engineered with reliability-focused designs that support continuous operation in mission-critical environments.

The N9K-X9736PQ contributes to high availability by expanding network capacity and supporting redundant architectures. When deployed as part of a properly designed Nexus 9500 solution, it helps organizations maintain stable connectivity for essential applications and services.

Flexible Deployment Options

The Cisco N9K-X9736PQ can be deployed in various networking scenarios, including enterprise data centers, cloud service provider facilities, large-scale virtualization environments, and ACI-based fabric architectures. Its adaptable design enables network engineers to create solutions that align with specific performance and scalability requirements.

Technical Advantages of Cisco N9K-X9736PQ Nexus 9500 Module

The Cisco N9K-X9736PQ offers several technical advantages that make it a valuable component for high-performance networking environments. By combining high-density QSFP connectivity with Cisco Nexus software capabilities, this linecard provides an effective solution for organizations seeking improved network efficiency.

High Bandwidth Infrastructure Expansion

Increasing bandwidth requirements are one of the biggest challenges facing modern data centers. Applications such as analytics platforms, cloud computing services, video processing, and large-scale databases require fast and dependable network connections.

The N9K-X9736PQ enables organizations to expand their available bandwidth by adding high-speed interfaces to Cisco Nexus 9500 chassis systems. This allows businesses to support growing workloads without redesigning their entire network infrastructure.

Enhanced Network Flexibility

Network flexibility is essential in environments where technology requirements change frequently. The Cisco N9K-X9736PQ supports multiple connectivity scenarios, allowing administrators to adapt network designs as organizational needs evolve.

Whether used for spine connectivity, aggregation functions, or high-speed interconnect applications, this module provides the flexibility needed for modern data center operations.

Integration with Cisco Networking Ecosystem

The Cisco N9K-X9736PQ works within the broader Cisco networking ecosystem, providing compatibility with Cisco management tools, automation frameworks, and data center technologies. This integration helps simplify administration and provides a consistent operational experience across complex infrastructures.

Applications of Cisco N9K-X9736PQ Nexus 9500 36 Ports Linecard

The Cisco N9K-X9736PQ is suitable for a wide range of applications where high-performance switching and reliable connectivity are required. Organizations across different industries use Cisco Nexus platforms to support critical digital operations and demanding workloads.

Large Enterprise Data Centers

Enterprise organizations with extensive IT environments require networking solutions capable of supporting thousands of users, applications, and devices. The Cisco N9K-X9736PQ provides the backbone connectivity required for large-scale enterprise data center deployments.

Cloud Service Provider Infrastructure

Cloud providers require highly scalable networking platforms to deliver reliable services to customers. The high-density connectivity of the Cisco N9K-X9736PQ helps cloud environments handle increasing traffic demands while maintaining performance and availability.

Software-Defined Data Centers

Software-defined data centers rely on automation, centralized management, and programmable infrastructure. The Cisco N9K-X9736PQ supports these modern networking approaches by working with Cisco ACI technologies that simplify network configuration and policy management.