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Cisco Fabric Module for N9516 with 100G support, NX-OS
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N9K-C9516-FM-E=
- Description:
- Cisco Fabric Module for N9516 with 100G support, NX-OS
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- Cisco
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- 882658699641
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N9K-C9516-FM-E= Overview
N9K-C9516-FM-E= is a high-performance fabric module engineered for Cisco Nexus networking environments. Designed to integrate seamlessly into Cisco Nexus 9000 Series Switches, it offers robust and scalable interconnectivity that supports high-speed data transfers up to 40Gbps. This modular fabric component leverages a backplane interface for efficient internal communications, ensuring low latency and high availability in demanding data center deployments.
Optimized for modern data center use cases, the N9K-C9516-FM-E= fabric module enhances network performance by supporting Ethernet protocols and facilitating rapid inter-module communication. Its plug-and-play modular design enables straightforward installation and upgrades, making it an ideal solution for expanding data center capacity and bolstering network resiliency in mission-critical environments.
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N9K-C9516-FM-E= 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
- Supported Protocols
- Ethernet
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- N/A
- Data Rate
- 40Gbps
- Max Speed
- 40Gbps
- Product Type
- Network Module
- Module Type
- Fabric Module
- Compatibility
- Cisco Nexus 9000 Series Switches
- Supported Features
- High availability, scalability, low latency
- Product Name
- Cisco Nexus 9516 Fabric Module (N9K-C9516-FM-E=)
N9K-C9516-FM-E= Use Case
High-Performance Spine-Leaf Fabric for Cloud-Scale Data Centers
In a hyperscale cloud provider’s multi-tenant data center, the N9K-C9516-FM-E Cisco Fabric Module (100G, NX-OS) powers the spine layer with ultra-low-latency forwarding and deterministic east-west traffic. By delivering line-rate 100G connectivity and hardware-accelerated features, it boosts VM migration speeds by 40% and drives network saturation above 90%, ensuring seamless scale-out of compute and storage clusters.
AI/ML Training Cluster Acceleration in High-Density Environments
A research institution deploys GPU-based AI/ML clusters requiring sustained 100G throughput for parameter synchronization. The N9K-C9516-FM-E Cisco Fabric Module on Nexus 9516 enables high-density port aggregation and NX-OS QoS policies, reducing inter-node jitter by 60% and cutting model training times by 30%, while providing simplified management through Cisco’s CLI and telemetry.
Hybrid Cloud Interconnect for Disaster Recovery & Business Continuity
A global enterprise extends its on-premise data center to a co-located DR site using a 100G MPLS fabric. The N9K-C9516-FM-E Cisco Fabric Module with NX-OS delivers end-to-end encrypted 100G tunnels, automated failover and BFD monitoring. This setup achieves sub-second DR-failover, 99.999% link uptime and a 50% reduction in replication windows, fulfilling stringent RPO/RTO SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| N9K-C9516-FM-E= |  N9K-X9636C-R |  N9K-X9636C-RX |  N9K-M4PC-CFP2 |  N9K-X96136YC-R | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module | Network Module | Network Module |
| Module Type | Fabric Module | Ethernet | Ethernet | CFP2 | Ethernet |
| Data Rate | 40Gbps | 40Gbps | 40Gbps | 40G | 40G |
| Connector Type | N/A | QSFP+ | SFP+ | CFP2 | QSFP+ |
| Supported Protocols | Ethernet | TCP/IP, Ethernet | TCP/IP, Fibre Channel | TCP/IP, Ethernet | TCP/IP |
| 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 | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco Nexus 9000 Series Switches | Cisco | Cisco Nexus 9000 Series | Cisco Nexus 9000 Series Switches | Cisco |
| Max Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Supported Features | High availability, scalability, low latency | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | N/A | QSFP+ | Ethernet | CFP2 | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus 9516 Fabric Module (N9K-C9516-FM-E=) | Cisco Nexus N9K-X9636C-R | Cisco Nexus N9K-X9636C-RX | Cisco Nexus 9000 Series M4PC CFP2 Module | Cisco Nexus N9K-X96136YC-R |
| 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 |
Questions & Answers
What is the Cisco Fabric Module N9K-C9516-FM-E and what functionality does it provide?
The N9K-C9516-FM-E is a fabric module for the Cisco Nexus 9516 chassis that delivers hardware-based 100G fabric switching and low-latency connectivity under NX-OS.
Which switch chassis is compatible with the N9K-C9516-FM-E fabric module?
The N9K-C9516-FM-E is exclusively compatible with the Cisco Nexus 9516 chassis, providing seamless integration and optimized fabric throughput.
How much fabric bandwidth does the Cisco Fabric Module N9K-C9516-FM-E support?
It delivers up to 3.2 Tbps per module with full 100G per slot fabric throughput, ensuring high-performance aggregation across line cards.
Does the N9K-C9516-FM-E support 100 Gigabit Ethernet line cards?
Yes, the fabric module supports 100 Gbps per slot to accommodate all Nexus 9500 Series line cards with 100G connectivity.
Which Cisco Nexus line cards are compatible with the N9K-C9516-FM-E?
It interoperates with all Nexus 9500 Series line cards that require 100G fabric slots, including the N9K-C95108-FM and N9K-C9504 line cards.
Can I break out 100G fabric links into multiple lower-speed interfaces?
No, the fabric module itself does not support breakout cables; breakout is configured on compatible line cards.
What NX-OS software version is required for the N9K-C9516-FM-E?
The module requires Cisco NX-OS Release 7.3(3) or later for full feature support and stability.
Is the N9K-C9516-FM-E supported in Cisco ACI deployments?
Yes, the fabric module is fully supported in Cisco ACI fabrics, delivering integrated policy automation and overlay transport.
How do I install the Cisco Fabric Module N9K-C9516-FM-E in a Nexus 9516?
Power off the chassis, insert the module into an available fabric slot, secure the latch, and power on. The module is auto-detected by NX-OS.
What are the power and cooling requirements for the N9K-C9516-FM-E?
It consumes up to 200 W and requires front-to-back airflow with Cisco-approved power supplies and fan trays installed.
Does the Cisco Fabric Module N9K-C9516-FM-E support Fibre Channel over Ethernet (FCoE)?
Yes, it supports FCoE with hardware-accelerated congestion management for lossless storage traffic.
How do I upgrade the firmware on the N9K-C9516-FM-E?
Use the NX-OS CLI install and upgrade commands or Cisco Prime Infrastructure to apply firmware images without disrupting existing traffic.
What is the warranty for the Cisco Fabric Module N9K-C9516-FM-E?
The module includes a limited lifetime hardware warranty and 90 days of software support, with Cisco Smart Net options available for extension.
Can I mix the N9K-C9516-FM-E with other fabric modules in the same chassis?
Cisco recommends using identical fabric modules; mixing different versions may lead to compatibility and performance issues.
Where can I purchase the Cisco Fabric Module N9K-C9516-FM-E?
Authorized Cisco resellers, the Cisco Commerce portal, and Cisco-approved partners offer the module with global shipping and support options.
How do I configure QoS policies for traffic prioritization on the N9K-C9516-FM-E?
Define class-map and policy-map QoS objects in NX-OS, then apply policies to line-card interfaces to enforce scheduling and queuing.