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Name:
N9K-C9516-FM-E=
- Description:
- Cisco Fabric Module for N9516 with 100G support, NX-OS
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3 Year Extended Warranty
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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.
What is the price of N9K-C9516-FM-E=?
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Explore more options from Network Modules And Cards or explore other Cisco products.
N9K-C9516-FM-E= Specifications
| Product Type | Network Module |
| Module Type | Fabric Module |
| Data Rate | 40Gbps |
| Connector Type | N/A |
| Supported Protocols | Ethernet |
| Form Factor | Modular |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | N/A |
| Compatibility | Cisco Nexus 9000 Series Switches |
| Max Speed | 40Gbps |
| Supported Features | High availability, scalability, low latency |
| Power Consumption | N/A |
| Interface Ports | N/A |
| Expansion Slots | N/A |
| Product Name | Cisco Nexus 9516 Fabric Module (N9K-C9516-FM-E=) |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
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
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| Compatibility | Cisco Nexus 9000 Series Switches | Cisco Nexus 9000 Series Switches | Cisco Nexus 9000 Series | Cisco | Cisco |
| Connector Type | N/A | CFP2 | SFP+ | QSFP+ | QSFP+ |
| Data Rate | 40Gbps | 40G | 40Gbps | 40Gbps | 40G |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | Modular | Modular | Modular | Modular | Modular |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | N/A | CFP2 | Ethernet | QSFP+ | Ethernet |
| Max Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Module Type | Fabric Module | CFP2 | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Nexus 9516 Fabric Module (N9K-C9516-FM-E=) | Cisco Nexus 9000 Series M4PC CFP2 Module | Cisco Nexus N9K-X9636C-RX | Cisco Nexus N9K-X9636C-R | Cisco Nexus N9K-X96136YC-R |
| Product Type | Network Module | Network Module | Network Module | Network Module / Network Card | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| 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 |
| Supported Protocols | Ethernet | TCP/IP, Ethernet | TCP/IP, Fibre Channel | TCP/IP, Ethernet | TCP/IP |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Cisco Fabric Module N9K-C9516-FM-E and what functionality does it provide?
A
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.
Q
Which switch chassis is compatible with the N9K-C9516-FM-E fabric module?
A
The N9K-C9516-FM-E is exclusively compatible with the Cisco Nexus 9516 chassis, providing seamless integration and optimized fabric throughput.
Q
How much fabric bandwidth does the Cisco Fabric Module N9K-C9516-FM-E support?
A
It delivers up to 3.2 Tbps per module with full 100G per slot fabric throughput, ensuring high-performance aggregation across line cards.
Q
Does the N9K-C9516-FM-E support 100 Gigabit Ethernet line cards?
A
Yes, the fabric module supports 100 Gbps per slot to accommodate all Nexus 9500 Series line cards with 100G connectivity.
Q
Which Cisco Nexus line cards are compatible with the N9K-C9516-FM-E?
A
It interoperates with all Nexus 9500 Series line cards that require 100G fabric slots, including the N9K-C95108-FM and N9K-C9504 line cards.
Q
Can I break out 100G fabric links into multiple lower-speed interfaces?
A
No, the fabric module itself does not support breakout cables; breakout is configured on compatible line cards.
Q
What NX-OS software version is required for the N9K-C9516-FM-E?
A
The module requires Cisco NX-OS Release 7.3(3) or later for full feature support and stability.
Q
Is the N9K-C9516-FM-E supported in Cisco ACI deployments?
A
Yes, the fabric module is fully supported in Cisco ACI fabrics, delivering integrated policy automation and overlay transport.
Q
How do I install the Cisco Fabric Module N9K-C9516-FM-E in a Nexus 9516?
A
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.
Q
What are the power and cooling requirements for the N9K-C9516-FM-E?
A
It consumes up to 200 W and requires front-to-back airflow with Cisco-approved power supplies and fan trays installed.
Q
Does the Cisco Fabric Module N9K-C9516-FM-E support Fibre Channel over Ethernet (FCoE)?
A
Yes, it supports FCoE with hardware-accelerated congestion management for lossless storage traffic.
Q
How do I upgrade the firmware on the N9K-C9516-FM-E?
A
Use the NX-OS CLI install and upgrade commands or Cisco Prime Infrastructure to apply firmware images without disrupting existing traffic.
Q
What is the warranty for the Cisco Fabric Module N9K-C9516-FM-E?
A
The module includes a limited lifetime hardware warranty and 90 days of software support, with Cisco Smart Net options available for extension.
Q
Can I mix the N9K-C9516-FM-E with other fabric modules in the same chassis?
A
Cisco recommends using identical fabric modules; mixing different versions may lead to compatibility and performance issues.
Q
Where can I purchase the Cisco Fabric Module N9K-C9516-FM-E?
A
Authorized Cisco resellers, the Cisco Commerce portal, and Cisco-approved partners offer the module with global shipping and support options.
Q
How do I configure QoS policies for traffic prioritization on the N9K-C9516-FM-E?
A
Define class-map and policy-map QoS objects in NX-OS, then apply policies to line-card interfaces to enforce scheduling and queuing.
