Cisco N9K-X9736C-EX 36 Port Expansion Module
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Cisco N9K-X9736C-EX Nexus 9500 36 Port Expansion Module Refurbished

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Part Number#: N9K-X9736C-EX
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Short Description:
Cisco N9K-X9736C-EX Nexus 9500 36 Port 100 Gigabit Ethernet NX-OS Spine Line card For Optical Network Expansion Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of Cisco N9K-X9736C-EX Nexus 9500: Pioneering 100 Gigabit Ethernet Spine Line Card for Optical Network Expansion

In the ever-evolving landscape of networking, speed and reliability are paramount. Cisco, a global technology leader, recognizes the need for cutting-edge solutions in optical networking. The Cisco N9K-X9736C-EX Nexus 9500 series stands at the forefront, offering a revolutionary 36 Port 100 Gigabit Ethernet NX-OS Spine Line Card. This expansion module is designed to transform optical networks by delivering exceptional speed and performance. In this in-depth guide, we'll explore the Cisco N9K-X9736C-EX, shedding light on its features, advantages, real-world applications, and how to incorporate it into your network infrastructure.

The Cisco N9K-X9736C-EX is a pivotal component within the Cisco Nexus 9500 series, renowned for its high-performance networking solutions. It plays a vital role as a Spine Line Card, offering 36 ports of 100 Gigabit Ethernet connectivity. This module's primary purpose is to act as a backbone in optical network environments, ensuring the seamless transmission of data, whether in data centers, cloud infrastructures, or other critical networking scenarios.

Unveiling Key Features

Let's delve into the core features that make the Cisco N9K-X9736C-EX an exemplary solution for optical network expansion:

100 Gigabit Ethernet Ports

At the heart of the N9K-X9736C-EX's capabilities are its 36 ports, each capable of transmitting data at a stunning rate of 100 Gigabits per second (Gbps). This astounding speed ensures swift and efficient data transfer within the network.

Spine Line Card Design

The N9K-X9736C-EX is engineered to serve as a Spine Line Card, a crucial element in modern network fabrics. It provides the backbone for optical networks, allowing data to flow seamlessly between various network components.

Nexus 9500 Series

Being a part of the Nexus 9500 series, the N9K-X9736C-EX benefits from the pedigree of a highly regarded product line known for its network performance and reliability.

Hot-Swappable Form Factor

The hot-swappable design of this expansion module ensures easy installation and replacement without network disruption. It saves time and enhances network flexibility.

Optical Fiber Compatibility

The N9K-X9736C-EX is tailored for optical fiber networks, making it suitable for environments where long-distance and high-speed data transmission are paramount.

Advantages of Cisco N9K-X9736C-EX

The Cisco N9K-X9736C-EX offers numerous advantages that can significantly benefit organizations seeking to expand their optical networks:

High-Performance Networking

The 100 Gigabit Ethernet ports are the cornerstone of this module's exceptional network performance. They enable the rapid exchange of data, making it ideal for bandwidth-intensive tasks.

Network Scalability

Scalability is a critical advantage. The N9K-X9736C-EX can adapt to the growing demands of your optical network as your organization expands, providing a future-proof solution.

Redundancy and Flexibility

The hot-swappable form factor not only simplifies installation but also adds redundancy and flexibility to your network design, ensuring minimal downtime during maintenance or upgrades.


As part of the Nexus 9500 series, the module is compatible with a wide range of networking equipment, making integration into existing infrastructures straightforward.

Optical Fiber Expertise

The module's optical fiber compatibility ensures it can meet the specific requirements of optical networks, which are often used for their long-range and high-speed data transfer capabilities.

Real-World Applications

The Cisco N9K-X9736C-EX Nexus 9500 36 Port 100 Gigabit Ethernet Spine Line Card has found its niche in various real-world applications:

Data Centers

Data centers are the backbone of modern businesses, and the N9K-X9736C-EX is tailored to meet the high-speed data transmission needs within these critical environments.

Cloud Infrastructures

For cloud service providers and organizations with cloud-based infrastructures, this module ensures seamless communication between servers, storage systems, and virtual machines.

Large Enterprises

Large enterprises with extensive networking requirements can rely on the N9K-X9736C-EX to provide the backbone for their data transfer needs.


In the telecommunications industry, where data must traverse great distances, the N9K-X9736C-EX excels in supporting high-speed data transmission.

Research and Development

Educational institutions and research facilities often deal with massive datasets. This module is well-suited for research and data-intensive tasks.

General Information about the Cisco N9K-X9736C-EX

  • Manufacturer: Cisco
  • Model Number or SKU: N9K-X9736C-EX
  • Device Type: 36 Ports Expansion Module
  • Application/Usage: Optical Network

Technical Information

  • Form Factor: Hot-swappable
  • Product Name: N9K-X9736C-EX: 100 Gigabit Ethernet Line Card
  • Network Technology: 100gbase-x
  • Expansion Slot Type: QSFP28
  • Ethernet Technology: 100 Gigabit Ethernet
  • Number Of Total Expansion Slots: 36
  • Media Type Supported: Optical Fiber
  • Application/Usage: Optical Network, Data Networking


CISCO Nexus 9500 Platform Fabric Modules:

  • N9k-c9504-fm-e
  • N9k-c9508-fm-e
  • N9k-c9516-fm-e

I/O Expansions

  • Number of Total Expansion Slots: 36
  • Expansion Slot Type: QSFP28

In Summary, the Cisco N9K-X9736C-EX Nexus 9500 36 Port 100 Gigabit Ethernet Spine Line Card is a groundbreaking solution for organizations seeking to enhance their optical network capabilities. Its 100 Gigabit Ethernet ports, hot-swappable design, and optical fiber compatibility make it a valuable asset for data centers, cloud infrastructures, large enterprises, telecommunications, and research institutions.

By providing high-speed connectivity, scalability, redundancy, and compatibility, the N9K-X9736C-EX empowers organizations to meet the ever-growing demands of modern networking. When it comes to expanding and optimizing optical networks, the Cisco N9K-X9736C-EX serves as a foundational component, ensuring that data flows seamlessly and swiftly in today's data-driven world.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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