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A9K-MPA-20X10GE vs A9K-MOD400-TR: A Detailed Technical Comparison
Jul 04 , 2025 7

A9K-MPA-20X10GE vs A9K-MOD400-TR: A Detailed Technical Comparison


A9K-MPA-20X10GE vs A9K-MOD400-TR


When selecting networking hardware, performance, reliability, and cost are critical factors. The Cisco A9K-MPA-20X10GE and A9K-MOD400-TR are two powerful modules designed for high-performance routing, but they serve different purposes. This comparison evaluates their technical specifications, design, usability, and pricing to help you make an informed decision.

Performance Comparison

FeatureA9K-MPA-20X10GEA9K-MOD400-TR
Processing Speed200 Gbps (20x10G ports)400 Gbps (4x100G ports)
Memory (RAM)16 GB DDR432 GB DDR4
Storage Capacity128 GB SSD256 GB SSD
Power Consumption150W250W
Price Range8,000−10,00015,000−18,000

Key Takeaways:

  • The A9K-MOD400-TR offers double the processing speed and memory, making it better for high-bandwidth applications.

  • The A9K-MPA-20X10GE is more power-efficient and cost-effective for mid-range deployments.

Feature Analysis

1. Design & Build Quality

  • A9K-MPA-20X10GE: Compact design optimized for 10G Ethernet aggregation.

  • A9K-MOD400-TR: Built for high-density 100G deployments with better heat dissipation.

2. User Experience

  • A9K-MPA-20X10GE: Easier to deploy in existing 10G networks with plug-and-play compatibility.

  • A9K-MOD400-TR: Requires more configuration but delivers superior throughput for data centers.

3. Battery & Power Efficiency

  • The A9K-MPA-20X10GE consumes less power (150W vs. 250W), reducing operational costs.

  • The A9K-MOD400-TR needs stronger cooling solutions due to higher power draw.

4. Compatibility & Expandability

  • Both support Cisco IOS XR, but the A9K-MOD400-TR is better suited for future 400G upgrades.

  • The A9K-MPA-20X10GE works best in legacy 10G/40G environments.

5. Software & Firmware Support

  • Both receive regular Cisco security updates.

  • The A9K-MOD400-TR has advanced traffic engineering features for large-scale networks.

Final Verdict

  • Choose A9K-MPA-20X10GE if you need a cost-effective, energy-efficient 10G aggregation module.

  • Opt for A9K-MOD400-TR if your network demands ultra-high-speed 100G/400G connectivity.

Both modules excel in different scenarios, so your choice should align with your network’s current and future needs.


Tags: ​Cisco A9K-MPA-20X10GE A9K-MOD400-TR linecard

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