N9K-C9504-FM-E – 100/400G – Nexus 9500 – Fabric module

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N9K-C9504-FM-E

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List Price: $1875 $1153
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N9K-C9504-FM-E Description

N9K‑C9504‑FM‑E is the fabric module engineered for the Cisco Nexus 9504 modular switch. Installed at the rear of the chassis (behind the fan trays), it provides the high‑speed backplane fabric that interconnects all installed line cards. A Cisco Nexus 9504 supports up to six fabric modules (of the same type) to scale bandwidth and redundancy for spine/core roles. With chassis front‑to‑back airflow and fabric‑module designs aligned to their respective line‑card families, N9K‑C9504‑FM‑E helps deliver non‑blocking performance (overall capacity depends on the specific fabric/line‑card combination and software release). This module suits data‑center environments using Cisco ACI or NX‑OS operations where deterministic fabric capacity and serviceability are required.

Product Highlights

  • Supports up to 6 identical fabric modules in the Cisco Nexus 9504 chassis for scalable bandwidth and redundancy.
  • Optimized for 100G/400G line cards, delivering non-blocking, low-latency backplane connectivity.
  • Hot-swappable design with airflow alignment to N9K-C9504 fan trays for efficient cooling and easy maintenance.

Quick Specs

Parameter

Value

Product Type

Fabric Module (for Cisco Nexus 9504)

Compatible Chassis

N9K‑C9504 (4‑slot chassis)

Fabric Module Slots in Chassis

Up to 6 (modules must be the same type within one chassis)

Placement

Rear of chassis, behind fan trays

Airflow (chassis)

Front‑to‑back (via fan trays)

Related Fan Trays / Blanks

N9K‑C9504‑FAN / N9K‑C9504‑FAN2; fabric blank N9K‑C9504‑FM‑CV

Redundancy

Supports N+1 / N+N designs (depends on quantity installed)

Fabric/Line‑card Relationship

Backplane fabric for line cards; total bandwidth is line‑card/fabric combination dependent

Key Features

High-Performance Fabric Backbone

Delivers non-blocking, low-latency switching fabric for Cisco Nexus 9504 chassis, supporting 100G and 400G line-card deployments with optimal throughput.

Scalable Modular Architecture

Supports up to six identical fabric modules in a single chassis, enabling N+1 or N+N redundancy for maximum uptime in mission-critical networks.

Optimized Airflow & Cooling Integration

Designed to work seamlessly with N9K-C9504-FAN / FAN2 fan trays for efficient front-to-back airflow, ensuring thermal stability under heavy loads.

Flexible Deployment Compatibility

Fully compatible with Cisco ACI (Application Centric Infrastructure) and NX-OS modes, enabling both policy-based automated fabrics and traditional L2/L3 designs.

Future-Ready Bandwidth Support

Engineered for next-generation cloud-scale data centers, capable of supporting evolving line-card technologies and higher Ethernet speeds as they become available.

Serviceability & Investment Protection

Hot-swappable design with fabric module blank compatibility (N9K-C9504-FM-CV) for unused slots, simplifying maintenance and extending chassis lifecycle.

Applications Scenarios

Cloud-Scale Data Centers

Ideal for hyperscale operators deploying spine-leaf architectures with 100G/400G connectivity to meet growing east-west traffic demands.

Enterprise Core & Aggregation Layers

Supports large enterprises needing high-capacity, low-latency core switching for mission-critical applications and multi-site interconnects.

Service Provider & Telecom Networks

Fits in carrier-grade environments requiring scalable, redundant backplane fabrics for converged services and high-density multi-tenant infrastructure.

N9K-C9504-FM-E Supported Platforms

    Product Comparison

    Key Specs

    N9K‑C9504‑FM‑E

    N9K‑C9504‑FM‑R

    N9K‑C9504‑FM (Classic)

    Chassis Compatibility

    Cisco N9K‑C9504

    Cisco N9K‑C9504

    Cisco N9K‑C9504

    Fabric Module Slots per Chassis

    Up to 6 (same type only)

    Up to 6 (same type only)

    Up to 6 (same type only)

    Placement

    Rear, behind fan trays

    Rear, behind fan trays

    Rear, behind fan trays

    Airflow (chassis)

    Front‑to‑back via fan trays

    Front‑to‑back via fan trays

    Front‑to‑back via fan trays

    Intended Line‑Card Family

    Cloud‑scale family (E‑series)

    R‑Series (deep buffer)

    Classic family

    Fabric/Line‑card Bandwidth

    Dependent on combination

    Dependent on combination

    Dependent on combination

    Redundancy Modes

    N+1 / N+N (qty dependent)

    N+1 / N+N (qty dependent)

    N+1 / N+N (qty dependent)

    Mixing Within Chassis

    Not supported (must be same type)

    Not supported

    Not supported

    Related Fan Trays

    N9K‑C9504‑FAN / FAN2

    N9K‑C9504‑FAN / FAN2

    N9K‑C9504‑FAN / FAN2

    Required Blanks (if empty)

    N9K‑C9504‑FM‑CV

    N9K‑C9504‑FM‑CV

    N9K‑C9504‑FM‑CV

    Specifications

    Parameter Value Parameter Value
    Model N9K-C9504-FM-E Product Type Fabric Module
    Compatible Chassis Cisco Nexus N9K-C9504 Fabric Slots per Chassis Up to 6 (modules must be same type)
    Installation Location Rear, behind fan trays Airflow (chassis) Front-to-back (via fan trays)
    Fan Trays (related) N9K-C9504-FAN / N9K-C9504-FAN2 Fabric Blanks N9K-C9504-FM-CV (for unused slots)
    Redundancy N+1 / N+N (quantity dependent) Fabric/LC Bandwidth Depends on fabric + line-card combination
    Operations Mode Works with ACI or NX-OS deployments Serviceability Field-replaceable module
    Environmental Inherits C9504 chassis specs Compliance Per C9504 platform compliance

    Get More Information

    Discover unbeatable prices and fast shipping for the N9K-C9504-FM-E Access the detailed N9K-C9504-FM-E datasheet and ensure you’re getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via Live chat or email us at [email protected]

    Quality Certifications

    Customer Reviews

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    5.0
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      Silvio Dante
      Posted on 08/07/2024
      Verified Buyer
      5.0

      Just when I thought I was out, they pull me back in… to buy more gear. Good service.

      Network Engineer
      Posted on 22/03/2024
      Verified Buyer
      5.0

      Fabric modules are critical. These were sealed in anti-static bags. Installation went smooth.

      Procurement
      Posted on 20/12/2023
      Verified Buyer
      5.0

      Hard to source the -E series sometimes. Glad you had stock.

    Questions & Answers

    • What is the role of N9K-C9504-FM-E in a Cisco Nexus 9504?

      N9K-C9504-FM-E is a fabric module for the Nexus 9504 modular chassis. It interconnects line cards to the switching fabric, providing high aggregate bandwidth and low-latency cross-bar connectivity.

    • How many fabric modules does a Nexus 9504 use?

      Multiple fabric modules operate in parallel for bandwidth and redundancy. Deploying the full set enables maximum throughput and facilitates hitless maintenance when swapping a module.

    • Is the fabric module hot-swappable?

      Yes. Nexus 9500 series fabric modules are hot-swappable with proper procedures, allowing replacement or upgrades without taking down the whole chassis.

    • Does N9K-C9504-FM-E affect forwarding features?

      It provides the underlying switching fabric capacity. Forwarding features and ports are determined by the supervisor and line cards, while the fabric ensures non-blocking inter-card bandwidth.

    • How do I monitor fabric health?

      Use NX-OS to check module status, temperature, and errors. Set SNMP/syslog alerts and track counters to proactively detect faults or performance anomalies.

    • Compatibility with different line cards?

      The FM-E works with supported 9504 line cards per Cisco compatibility matrices. Always verify software versions and hardware support before installation.

    • What redundancy design is recommended?

      Populate all fabric slots for full fabric redundancy. Pair with dual supervisors and diverse power supplies to achieve high availability at the chassis level.

    • Any best practices for maintenance windows?

      Perform In-Service Software Upgrade (ISSU) where supported, replace one module at a time, and validate fabric utilization before and after changes.

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