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Buffer support improved traffic handling.
N9K-C9504-FM-R=
SPARE FABRIC MODULE FOR N9504R WITH BUFFER SUP NX-OS
FEATURED DEAL
Name:
N9K-C9504-FM-R=
- Description:
- SPARE FABRIC MODULE FOR N9504R WITH BUFFER SUP NX-OS
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658710162
- Condition:
- Warranty:
- 3
- List Price:
$21,668.00
- Price:
$11,431.0047.2% off
Quantity:
1
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N9K-C9504-FM-R= Overview
N9K-C9504-FM-R= is a high-speed fabric module designed for integration into the Cisco Nexus 9504 chassis. It provides robust 40Gbps connectivity using QSFP+ ports, supports key protocols including TCP/IP and Fibre Channel, and is engineered with a modular design to ensure easy installation and reliable data center interconnectivity.
Engineered to expand data center capacity and streamline high-speed network communications, the N9K-C9504-FM-R= is fully compatible with Cisco Nexus 9504 systems. Its design emphasizes high availability, redundancy, and efficient scalability, making it an ideal solution for upgrading server network interfaces and connecting to advanced, high-performance networks.
N9K-C9504-FM-R= price is $11,431.00, a 47.2% saving from the Cisco list price of $21,668.00. N9K-C9504-FM-R= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-C9504-FM-R= for additional pricing. Browse the full Cisco Nexus 9000 Switch Modules & Cards series or explore all Cisco products.
N9K-C9504-FM-R= Specifications
- Product Type
- Fabric Module
- Module Type
- Fabric Module
- Data Rate
- 40Gbps
- Connector Type
- QSFP+
- Supported Protocols
- TCP/IP, Fibre Channel
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco Nexus 9504
- Max Speed
- 40Gbps
- Supported Features
- Auto-negotiation, Jumbo Frames, QoS
- Power Consumption
- N/A
- Interface Ports
- QSFP+
- Expansion Slots
- N/A
- Product Name
- N9K-C9504-FM-R=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
N9K-C9504-FM-R= Use Case
Zero-Downtime Fabric Redundancy with N9K-C9504-FM-R for Cisco Nexus 9504R
In enterprise data centers running Cisco NX-OS on Nexus 9504R, the N9K-C9504-FM-R spare fabric module for N9504R with buffer support delivers hot-swappable redundancy. During scheduled maintenance or unexpected module failures, it seamlessly assumes forwarding duties within the spine fabric, ensuring uninterrupted connectivity and compliance with strict SLAs. Benefit: Achieve zero downtime, reduce MTTR, and maintain continuous business operations.
Dynamic Buffer Management for East-West Traffic in Virtualized Infrastructures
Virtualized environments using Nexus 9504R leverage the N9K-C9504-FM-R spare fabric module for N9504R with NX-OS buffer support to absorb traffic bursts during live VM migrations and high-density workloads. The module’s advanced buffer allocation reduces packet loss and latency across the spine-leaf fabric in VMware and KVM deployments. Benefit: Ensures reliable VM mobility, optimizes application performance, and enhances end-user experience under peak loads.
On-Demand Fabric Scalability for Multi-Tenant Cloud Services
Cloud service providers deploying containerized workloads on Nexus 9504R integrate the N9K-C9504-FM-R spare fabric module for N9504R with buffer support to expand non-blocking switching capacity and buffer pools without service disruption. The module’s seamless NX-OS integration enables rapid tenant onboarding and automated workload scaling in Kubernetes and OpenStack environments. Benefit: Delivers consistent throughput, simplifies capacity planning, and maximizes infrastructure ROI.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 N9K-C9504-FM-R= |  N9K-SUP-B |  N9K-C9504-FM-S= |  N9K-C9508-FM-R |  N9K-X9636C-RX | |
|---|---|---|---|---|---|
| Product Type | Fabric Module | Supervisor Module | Network Module | Network Module | Network Module |
| Module Type | Fabric Module | Supervisor | SFP+ | Fabric Module | Ethernet |
| Data Rate | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Connector Type | QSFP+ | N/A | SFP+ | QSFP+ | SFP+ |
| Supported Protocols | TCP/IP, Fibre Channel | TCP/IP / iSCSI / Fibre Channel | TCP/IP | Ethernet, TCP/IP | TCP/IP, Fibre Channel |
| 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 | N/A | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco Nexus 9504 | Cisco | Cisco | Cisco Nexus 9508 | Cisco Nexus 9000 Series |
| Max Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | High availability / Redundancy / Auto-negotiation / QoS | Auto-negotiation / Jumbo Frames / QoS | Redundancy, High Availability, Scalability | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | QSFP+ | N/A | SFP+ | QSFP+ | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | N9K-C9504-FM-R= | Cisco Nexus N9K-SUP-B Supervisor Module | N9K-C9504-FM-S= | Cisco Nexus 9508 Fabric Module - Redundant | Cisco Nexus N9K-X9636C-RX |
| 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
A
Ayesha Mahmood
4
Stable fabric operation.
P
Pierre Laurent
5
Good redundancy option.
L
Linda Cooper
3
Worked perfectly.
S
Saad Iqbal
4
Meets requirements.
Questions & Answers
What is the Cisco N9K-C9504-FM-R= spare fabric module?
The Cisco N9K-C9504-FM-R= is a hot-swappable spare fabric module for Cisco Nexus 9504R switches, providing 4.8 Tbps switching capacity and advanced buffer support under NX-OS.
Which devices support the N9K-C9504-FM-R=?
The N9K-C9504-FM-R= is compatible exclusively with Cisco Nexus 9504R chassis running NX-OS releases 7.0(3)I7(1) and later.
How does buffer support improve network performance?
Integrated packet buffering optimizes traffic flow, reduces packet loss under congestion, and enhances overall network stability and performance.
Can I install the N9K-C9504-FM-R= without powering down?
Yes, the module supports hot-swapping on powered Nexus 9504R switches, enabling in-service replacement without network downtime.