United States$5,000,000+
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George Patel
4
Buffer support helped stabilize bursty workloads.
N9K-C9508-FM-R=
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FABRIC MOD FOR N9508R WITH BUFFER SUP NX-OS
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Name:
N9K-C9508-FM-R=
- Description:
- FABRIC MOD FOR N9508R WITH BUFFER SUP NX-OS
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658980923
- Condition:
- Warranty:
- 3
- List Price:
$30,954.00
- Price:
$16,332.0047.2% off
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1
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N9K-C9508-FM-R= Overview
N9K-C9508-FM-R= is a high-performance fabric module designed for the Cisco Nexus 9500 Series, engineered to interconnect line cards through a high-speed, non-blocking internal fabric. It provides scalable connectivity for demanding data center environments, enabling efficient and resilient network operations without compromise.
This fabric module integrates seamlessly within modular chassis architectures, supporting the rapid internal transfer of data across high-speed channels. Optimized for mission-critical deployments, the N9K-C9508-FM-R= offers high availability, reliability, and the robust performance required to meet the evolving demands of modern data centers.
N9K-C9508-FM-R= price is $16,332.00, a 47.2% saving from the Cisco list price of $30,954.00. N9K-C9508-FM-R= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-C9508-FM-R= for additional pricing. Browse the full Cisco Nexus 9000 Switch Modules & Cards series or explore all Cisco products.
N9K-C9508-FM-R= Specifications
- Power Consumption
- N/A
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Interface Ports
- N/A
- Expansion Slots
- N/A
- Form Factor
- Modular
- Connector Type
- N/A
- Data Rate
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- N/A
- Max Speed
- N/A
- Module Type
- N/A
- Supported Protocols
- N/A
- Compatibility
- Cisco Nexus 9500 Series
- Product Type
- Fabric Module
- Supported Features
- High Availability, Scalability, Redundancy
- Product Name
- Cisco Nexus 9508 Fabric Module (N9K-C9508-FM-R=)
N9K-C9508-FM-R= Use Case
Ultra-Low Latency Trading Platform for Financial Services
In a global equities trading firm, the N9K-C9508-FM-R fabric module with buffer support on NX-OS enables sub-5µs switching latency and microburst absorption between trading engines and risk engines. Benefit: Guarantees deterministic transaction times, minimizes order re-quotes, and sustains sub-millisecond slippage targets under peak market volatility.
High-Performance Computing Cluster with Deep-Buffer Traffic Management
A research institution running large-scale simulations on a parallel file system deploys the N9K-C9508-FM-R buffer-enhanced fabric module to mitigate congestion and packet drops during synchronized I/O spikes. Benefit: Delivers sustained multi-terabit throughput, smooth data staging for HPC jobs, and predictable run-time for compute-intensive workloads.
Multi-Tenant Cloud Data Center with SLA-Driven Microburst Control
A cloud service provider integrates the N9K-C9508-FM-R NX-OS fabric module to enforce per-tenant QoS policies and absorb unpredictable traffic bursts in a spine-leaf topology. Benefit: Ensures consistent VM performance, maintains 5-9s availability SLAs, and simplifies buffer-based congestion management across hundreds of virtual networks.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| N9K-C9508-FM-R= |  N9K-C9508-FM-Z= |  N9K-M6PQ-E |  N9K-C9504-FM-R |  N9K-M4PC-CFP2 | |
|---|---|---|---|---|---|
| Product Type | Fabric Module | Network Module | Network Module / Network Card | Network Module | Network Module |
| Module Type | N/A | Fabric Module | Ethernet | Fabric Module | CFP2 |
| Data Rate | N/A | N/A | 40G | 40G | 40G |
| Connector Type | N/A | N/A | SFP+ | QSFP+ | CFP2 |
| Supported Protocols | N/A | N/A | TCP/IP, iSCSI | TCP/IP | TCP/IP, Ethernet |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | N/A | N/A | 3.3V | N/A | 3.3V |
| Compatibility | Cisco Nexus 9500 Series | Cisco Nexus 9508 Series | Cisco Nexus Series | Cisco Nexus 9504 | Cisco Nexus 9000 Series Switches |
| Max Speed | N/A | N/A | 40Gbps | 40Gbps | 40Gbps |
| Supported Features | High Availability, Scalability, Redundancy | N/A | Auto-negotiation, Jumbo Frames, QoS | High-Density Connectivity, Redundant Operation | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | N/A | N/A | SFP+ | QSFP+ | CFP2 |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus 9508 Fabric Module (N9K-C9508-FM-R=) | Cisco Nexus 9508 Fabric Module N9K-C9508-FM-Z= | Cisco Nexus 9000 Series N9K-M6PQ-E | Cisco Nexus 9504 Fabric Module - Redundant | Cisco Nexus 9000 Series M4PC CFP2 Module |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
F
Farzana Qasim
5
Consistent fabric performance.
R
Rui Fernandes
4
Good redundancy option.
K
Karen Mills
5
Worked as expected.
S
Shahzaib Khan
5
Satisfied overall.
Questions & Answers
What is the N9K-C9508-FM-R=?
The N9K-C9508-FM-R= is a Cisco fabric module with integrated buffer support designed for the Nexus 9508R switch, enabling scalable, low-latency data forwarding under NX-OS.
Which switch models are compatible with the N9K-C9508-FM-R=?
The N9K-C9508-FM-R= is fully compatible with Cisco Nexus 9508R chassis running NX-OS version 9.3(7) or later.
What key features does the N9K-C9508-FM-R= provide?
This fabric module offers high-density, low-latency switching, on-chip buffer support, in-line congestion management, and seamless integration with Cisco NX-OS for advanced feature sets.
How much buffer capacity does the fabric module include?
The N9K-C9508-FM-R= includes up to 12 MB of line-rate buffer per ASIC, ensuring consistent performance under bursty traffic conditions.
Does the N9K-C9508-FM-R= support Cisco NX-OS?
Yes, the module is certified for Cisco NX-OS and leverages the full suite of NX-OS capabilities, including ACI mode, QoS, and advanced telemetry.
Is the fabric module hot-swappable?
Yes, the N9K-C9508-FM-R= is hot-swappable with in-service software upgrade (ISSU) support, minimizing downtime during maintenance.
What are the power and thermal requirements?
The module draws 20 W under typical load and operates between 0°C to 40°C, with a maximum altitude of 3,048 m (10,000 ft).
Does the N9K-C9508-FM-R= require a separate license?
No, the fabric module’s core features are license-included; optional advanced features leverage existing NX-OS licensing tiers.
How do I install the N9K-C9508-FM-R=?
Power down the Nexus 9508R, slide the module into the designated fabric slot until it clicks, then power-up and verify detection via “show module” in NX-OS.
How can I verify the module is functioning correctly?
Use the NX-OS CLI command “show module brief” to confirm online status, then validate fabric connectivity with “show fabric internal info”.
What firmware version is recommended for optimal performance?
Cisco recommends NX-OS 9.3(7) or later to leverage bug fixes, performance enhancements, and full feature compatibility with the N9K-C9508-FM-R=.
What is the difference between N9K-C9508-FM and N9K-C9508-FM-R=?
The “-R=” suffix indicates router-optimized silicon revisions with enhanced buffer profiles and NX-OS feature parity specifically for the 9508R platform.
How do I troubleshoot link or buffer issues?
Collect logs using “show logging” and “show platform hardware qfp active buffer statistics,” then consult Cisco TAC with your output for targeted resolution.
What warranty covers the N9K-C9508-FM-R=?
Cisco provides a lifetime limited hardware warranty, with options to extend support via Cisco SMARTnet for rapid replacement and 24x7 TAC access.
How is the fabric module packaged and shipped?
Each N9K-C9508-FM-R= ships in an antistatic tray with rack-mount guides, installation quick start guide, and Cisco-branded retail packaging.
Where can I buy replacement fabric modules or spare parts?
Authorized Cisco resellers and the Cisco Commerce Workspace (CCW) portal list SKU N9K-C9508-FM-R= for direct ordering and stock availability.