CISCO NXM-X4D Ethernet Module 4X400G CMUIAU9 73-19579

( Brand: Cisco ), ( Manufacturer Part Number: NXM-X4D ), ( Part Type: Module )

Review CISCO Tested Ethernet Module Lem

The Cisco NX-MX4D 4x400G Ethernet Module CMU-AU9, model number 73-19579, is a high-density, fixed form factor network interface module designed for Cisco Nexus 9372PX and 9372PXN switches. This module offers four (4) 400Gb Ethernet ports that provide ultra-high bandwidth connectivity for data center and cloud environments.

The Cisco NX-MX4D module is built using advanced silicon technologies and is engineered to deliver superior performance, reliability, and power efficiency. Each port supports both 400Gb Ethernet and 100Gb Ethernet speeds, providing flexibility for various network requirements. The module also supports various link protocols, including Statistic Time-weighted Average (STA) and Multi-source Agreement (MSA) based link negotiation.

The module is designed with a compact form factor, making it ideal for space-constrained environments. It is also hot-pluggable, allowing for easy installation, replacement, and maintenance without disrupting the network. The module is also fully redundant, ensuring high availability and minimal downtime.

The Cisco NX-MX4D module supports various features, including Link Fault Tolerance, which provides automatic link recovery in case of link failure. It also supports IEEE 802.3bs Multi-Rate Ethernet (MRE) standards, enabling support for various frame sizes and speeds. The module also supports various security features, including IEEE 802.1X and MAC Secure Boot, ensuring secure connectivity and preventing unauthorized access.

The Cisco NX-MX4D module is designed for easy management and monitoring using various Cisco management tools, including Cisco NX-OS, Cisco Prime Infrastructure, and Cisco Network Assurance Engine. It also supports various APIs, enabling integration with third-party management and orchestration tools.

In summary, the Cisco NX-MX4D 4x400G Ethernet Module CMU-AU9, model number 73-19579, is a high-density, high-bandwidth network interface module designed for Cisco Nexus 9372PX and 9372PXN switches. It offers four (4) 400Gb Ethernet ports, providing ultra-high bandwidth connectivity for data center and cloud environments. The module is designed with advanced technologies, providing superior performance, reliability, and power efficiency. It is hot-pluggable, fully redundant, and supports various link protocols, security features, and management tools.

Pros and Cons of Buying Cisco NX-MX4D 4x400G Ethernet Module CMU-AU-9 73-19579

The Cisco NX-MX4D 4x400G Ethernet Module CMU-AU-9 73-19579 is a high-density 400GbE interface module designed for Cisco Nexus 9372PX and 9336PX series switches. This module can significantly increase the network bandwidth and improve the overall network performance. In this analysis, we will discuss the key pros and cons of buying this Cisco Ethernet module.

1. High-density 4x400GbE Interfaces: The Cisco NX-MX4D module supports four 400GbE interfaces, providing a significant increase in bandwidth and port density for high-performance data center applications.

2. Scalability: The module is compatible with Cisco Nexus 9372PX and 9336PX series switches, offering a scalable solution for expanding network capacity and handling future bandwidth requirements.

3. Energy Efficiency: The module is designed with energy efficiency features, such as Cisco's VDC2 power architecture, which can reduce power consumption and save on operational costs.

4. Flexible High-Speed Connectivity: The module offers various high-speed connectivity options, including 4x400GbE, 8x200GbE, and 16x100GbE, allowing you to choose the best configuration for your specific network requirements.

5. Enhanced Security: The module supports advanced security features, such as Cisco's Encrypted Traffic Analytics (ETA) and Secure Boot, ensuring data security and preventing unauthorized access.

1. High Cost: The Cisco NX-MX4D module is a high-end, high-performance solution, which comes with a premium price tag. The cost might be a significant consideration for small to mid-sized businesses or those with a limited budget.

2. Complexity: The module may require specialized knowledge and expertise to install, configure, and manage, which could add to the overall cost and complexity of the network infrastructure.

3. Dependence on Cisco Ecosystem: The module is designed specifically for Cisco Nexus switches, which might limit the flexibility to integrate with other vendors' equipment or open-source solutions.

The Cisco NX-MX4D 4x400G Ethernet Module CMU-AU-9 73-19579 is an ideal solution for organizations that require high-density 400GbE interfaces, scalability, and energy efficiency in their network infrastructure. Its advanced security features ensure data protection and prevent unauthorized access. However, the high cost, complexity, and dependence on the Cisco ecosystem may be significant drawbacks for some organizations.

If your organization requires a high-performance, high-density network infrastructure and can afford the premium price tag, the Cisco NX-MX4D module is an excellent investment. However, if you have a limited budget or prefer more flexibility in your network infrastructure, you may want to consider alternative solutions from other vendors or open-source projects. It is essential to carefully evaluate your network requirements and budget before making a purchase decision.

Details:

For sale is a TESTED CISCO NXM-X4D 4x400G Ethernet Module LEM CMUIAU9 73-19579. Those are to be paid by the recipient/buyer. Test notes available upon request. Includes:: 1x NXM-X4D.

For sale is reconditioned CISCO NXM-X4D. Items may have scratches. We buy Cisco, Barista, HP, Juniper Extreme, Foundry, Brocade, Dell, and more. Condition: These items are in Good condition.

If we haven't, please let us know. We buy networking equipment.

part #: nxmx4d prices

• $1750.00-$39800.00

specifications switchchunk:

• brand: Cisco
• mpn: Nxm-x4d
• part type: Module

shipping switchchunk:

• service: Standard
• class: Standard
• type: Fixed
• cost: $0.00
• transit: 4-6 Days

payments switchchunk:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer switchchunk:

• sold: 0
• quantity: 9
• availability: In Stock
• options: Ship-to-home
• best offers: True
• started: May 16, 2026

general switchchunk:

• condition: Used
• Enterprise Networking, Servers > Switches Hubs > Switch Modules

returns switchchunk:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted
• method: Money back

seller switchchunk:

• # reviews: 15382
• rating: 100.0%
• city: Minneapolis, Minnesota

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