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Fabric module improved buffering for bursty traffic.
N9K-C9508-FM-R
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Fabric Module for Nexus 9508 R-Series LC, NX-OS only
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Name:
N9K-C9508-FM-R
- Description:
- Fabric Module for Nexus 9508 R-Series LC, NX-OS only
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249714974
- 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 9508 chassis that delivers robust and redundant connectivity in demanding data center environments. Built to support high-speed network operations, this fabric module features QSFP+ connectors and is engineered to handle data rates of up to 40Gbps, ensuring seamless integration within modern Ethernet networks and compatibility with Cisco switching platforms.
Optimized for expanding data center capacity and enhancing network reliability, the Cisco Nexus 9508 Fabric Module – Redundant supports industry-standard TCP/IP protocols and is installed in a modular form factor. Its design emphasizes scalability and high availability, making it an ideal choice for high-speed interconnectivity between line cards and the central switch infrastructure.
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
- Expansion Slots
- N/A
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Data Rate
- 40Gbps
- Connector Type
- QSFP+
- Max Speed
- 40Gbps
- Product Type
- Network Module
- Interface Ports
- QSFP+
- Module Type
- Fabric Module
- Supported Protocols
- Ethernet, TCP/IP
- Compatibility
- Cisco Nexus 9508
- Supported Features
- Redundancy, High Availability, Scalability
- Product Name
- Cisco Nexus 9508 Fabric Module - Redundant
N9K-C9508-FM-R Use Case
High-Performance Spine-Leaf Fabric in Enterprise Data Centers
In a global enterprise data center running Cisco NX-OS, IT architects deploy the N9K-C9508-FM-R as the central spine in a leaf-and-spine topology. The module delivers up to 15Tbps of non-blocking fabric capacity and sub-microsecond latency, enabling seamless VM mobility, rapid east-west traffic scaling, and zero packet loss during microbursts. Outcome: Dramatically improved application performance, predictable scale-out growth, and simplified operational consistency across thousands of virtualized workloads.
Secure Multi-Tenant VXLAN Fabric for Cloud Service Providers
A cloud service provider uses the N9K-C9508-FM-R in its Nexus 9508 under NX-OS to terminate and route VXLAN overlays at line rate. By leveraging hardware-offloaded VXLAN routing and Cisco TrustSec segmentation, the provider isolates hundreds of tenant networks in a single chassis, enforces per-tenant QoS policies, and automates virtual network provisioning via NX-API. Outcome: Enhanced security through hardware segmentation, rapid on-demand tenant provisioning, and reduced TCO with consolidated spine infrastructure.
Ultra-Low-Latency Fabric for Financial Trading Platforms
A high-frequency trading firm integrates the N9K-C9508-FM-R into its Nexus 9508 core to minimize latency between matching engines and market data feeds. The module’s silicon-based cut-through switching, Precision Time Protocol (PTP) support, and jitter suppression deliver deterministic sub-microsecond packet forwarding. Outcome: Accelerated trade execution, tighter synchronization across trading nodes, and measurable gains in trade volume and competitiveness.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| N9K-C9508-FM-R |  N9K-C9504-FM-E= |  N9K-SUP-B+ |  N9K-C9508-FM-E2= |  N9K-M6PQ-E | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Supervisor Module | Network Module | Network Module / Network Card |
| Module Type | Fabric Module | N/A | Network Supervisor | Fabric Module | Ethernet |
| Data Rate | 40Gbps | 40G | N/A | 40Gbps | 40G |
| Connector Type | QSFP+ | SFP+ | N/A | QSFP+ | SFP+ |
| Supported Protocols | Ethernet, TCP/IP | TCP/IP, Fibre Channel | TCP/IP | Ethernet, TCP/IP | TCP/IP, iSCSI |
| 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 | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 12V DC | N/A | 3.3V |
| Compatibility | Cisco Nexus 9508 | Cisco | Cisco Nexus 9000 Series | Cisco Nexus 9500 Series | Cisco Nexus Series |
| Max Speed | 40Gbps | 40Gbps | N/A | 40Gbps | 40Gbps |
| Supported Features | Redundancy, High Availability, Scalability | Auto-negotiation, Jumbo Frames, QoS | N/A | High Throughput, Low Latency, Redundancy | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | QSFP+ | SFP+ | N/A | QSFP+ | SFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus 9508 Fabric Module - Redundant | N9K-C9504-FM-E= | Cisco Nexus 9000 Series N9K-SUP-B+ Supervisor Module | Cisco Nexus 9508 Fabric Module E2 | Cisco Nexus 9000 Series N9K-M6PQ-E |
| 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
N
Naila Hassan
4
Reliable backbone component for Nexus 9508R.
R
Rui Fernandes
4
No fabric bottlenecks observed.
K
Karen Mills
5
Easy replacement process.
S
Shahzaib Khan
4
Performed exactly as required.
Questions & Answers
What is the Cisco Nexus 9508 Fabric Module (N9K-C9508-FM-R)?
The N9K-C9508-FM-R is a fabric module for the Nexus 9508 R-Series chassis, providing high-bandwidth, non-blocking backplane switching under NX-OS only.
Which chassis models support the N9K-C9508-FM-R fabric module?
The N9K-C9508-FM-R is compatible exclusively with the Cisco Nexus 9508 R-Series chassis.
Does the N9K-C9508-FM-R require NX-OS?
Yes. The N9K-C9508-FM-R fabric module operates solely on Cisco NX-OS and is not supported on other operating systems.
How many N9K-C9508-FM-R modules are required per chassis?
A minimum of two modules is required for redundancy; a third module can be installed for full fabric capacity.
What is the total fabric bandwidth of one N9K-C9508-FM-R?
Each N9K-C9508-FM-R delivers up to 32 Tbps of non-blocking switching fabric.
What aggregate fabric bandwidth is achieved with three modules?
A fully populated chassis with three N9K-C9508-FM-R modules delivers up to 96 Tbps of aggregate fabric bandwidth.
Can the N9K-C9508-FM-R be used in a redundant configuration?
Yes. Installing at least two N9K-C9508-FM-R modules provides active-active fabric redundancy and hitless failover.
Is the N9K-C9508-FM-R hot-swappable?
Yes. The module supports online insertion and removal without powering down the chassis or disrupting traffic.
What are the power and cooling requirements for the N9K-C9508-FM-R?
Each N9K-C9508-FM-R consumes up to 650 W and requires front-to-back airflow as provided in the Nexus 9508 chassis.
How do I install the N9K-C9508-FM-R in a Nexus 9508 chassis?
Align the module with the fabric slot rails, slide it into position until the ejector levers click, and secure the captive screws.
What is the Cisco part number for the Nexus 9508 fabric module?
The Cisco Ordering Part Number (OPN) for this module is N9K-C9508-FM-R.
What warranty and support options are available for N9K-C9508-FM-R?
The module includes a 3-year limited hardware warranty with next-business-day replacement and optional Cisco SMARTnet support.
What are the key benefits of the N9K-C9508-FM-R fabric module?
It delivers scalable, low-latency, non-blocking fabric, hot-swap capability, and active-active redundancy for mission-critical networks.
Does the N9K-C9508-FM-R support future NX-OS feature upgrades?
Yes. It supports backward-compatible hardware-level upgrades and new NX-OS software releases for extended lifecycle support.
How can I monitor the status of the N9K-C9508-FM-R?
Use the NX-OS CLI commands show module and show fabric, or Cisco DCNM for real-time health and performance metrics.
Is a separate license required for the N9K-C9508-FM-R?
No. The fabric module is covered under the chassis license and requires no additional software license.