Cisco N9K-X9788TC-FX — Nexus 9000 48-Port 10GBASE-T + 4-Port 40/100G Ethernet Module
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Cisco N9K-X9788TC-FX — Nexus 9000 48-Port 10GBASE-T + 4-Port 40/100G Ethernet Module

$ 16.33 Price excluding tax

The Cisco N9K-X9788TC-FX is a high-density Ethernet line card for the Cisco Nexus 9500 Series modular switching platform. It provides 48 × 1/10GBASE-T copper ports together with 4 × 40/100 Gigabit Ethernet QSFP28 ports, delivering high-density connectivity for enterprise data centers, aggregation networks, and spine/leaf architectures. The module is installed in a compatible Nexus 9500 chassis and is not a standalone switch or chassis

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Description

The Cisco N9K-X9788TC-FX is a Nexus 9000 Series FX-generation Ethernet line card designed to expand the port capacity of compatible modular Nexus 9500 switches.

The module provides 48 × 1/10 Gigabit Ethernet BASE-T interfaces for copper server, storage, and network connectivity. It also provides 4 × 40/100 Gigabit Ethernet QSFP28 interfaces, allowing high-speed uplinks and connectivity to aggregation or spine infrastructure. Cisco identifies the module as a 48x10G + 4×40/100G Ethernet Module.

The four QSFP28 ports provide flexible high-speed connectivity supporting 40GbE and 100GbE configurations when paired with appropriate transceivers, cables, and supported software/hardware configurations.

The N9K-X9788TC-FX is intended for installation in a Cisco Nexus 9500 modular chassis rather than operation as an independent switch. Cisco hardware documentation shows the module installed in chassis such as the N9K-C9508.

Key Specifications

Specification Details
Manufacturer Cisco
Product Family Cisco Nexus 9000 Series
Part Number N9K-X9788TC-FX
Product Type Ethernet Line Card / Network Module
Downlink Ports 48 × 1/10GBASE-T
Copper Interface RJ-45
High-Speed Ports 4 × 40/100GbE QSFP28
Maximum Port Count 52 Ethernet interfaces
Architecture Modular
Compatible Platform Cisco Nexus 9500 Series chassis
Example Chassis N9K-C9508
Operating System Cisco NX-OS
Form Factor Nexus 9500 line card
Standalone Operation No
Primary Use Data center / aggregation / high-density Ethernet

Cisco documentation and hardware inventory examples identify N9K-X9788TC-FX specifically as a 48x10G + 4×40/100G Ethernet Module.

Port Configuration

48 × 1/10GBASE-T Ports

The module provides 48 copper Ethernet ports supporting:

  • 1 Gigabit Ethernet
  • 10 Gigabit Ethernet
  • BASE-T copper connectivity
  • RJ-45 connections
  • Server and infrastructure connectivity

These ports are particularly suitable for connecting servers, storage systems, appliances, and other data-center equipment using copper Ethernet.

4 × 40/100GbE QSFP28 Ports

The module also includes four QSFP28-based high-speed Ethernet ports supporting 40GbE and 100GbE configurations.

Typical applications include:

  • Data-center uplinks
  • Spine connectivity
  • Leaf-to-spine connections
  • High-bandwidth aggregation
  • Server/storage infrastructure requiring high-speed Ethernet

Appropriate Cisco-supported QSFP/QSFP28 optics or DAC/AOC cables are required depending on the desired interface speed and connection type.

Architecture & Performance

The N9K-X9788TC-FX uses the Nexus 9000 FX-generation architecture and is designed for high-density, line-rate data-center switching. Cisco documentation describes the module as having 880 Gbps capacity with line-rate performance and an LS1800FX-based architecture.

The module is designed for environments requiring a combination of:

  • High-density 10GbE copper
  • 40GbE connectivity
  • 100GbE connectivity
  • High-speed aggregation
  • Data-center switching scalability

Key Features & Benefits

  • 48 × 1/10GBASE-T ports for dense copper Ethernet connectivity.
  • 4 × 40/100GbE QSFP28 ports for high-speed uplinks.
  • High-density 52-port Ethernet line-card configuration.
  • Designed for Cisco Nexus 9500 modular chassis.
  • Suitable for data-center leaf, aggregation and spine connectivity.
  • Supports 10GbE server and infrastructure connections.
  • Provides migration capability between 40GbE and 100GbE technologies.
  • Designed for high-performance, line-rate data-center networking.

Compatible Chassis

The N9K-X9788TC-FX is a line card, so it requires a compatible Cisco Nexus 9500 chassis.

Cisco documentation specifically shows the module installed in the:

Cisco Nexus 9508 — N9K-C9508

Cisco’s supported-hardware documentation also identifies the N9K-X9788TC-FX as a supported Nexus 9000 line card.

Important Compatibility Note

N9K-X9788TC-FX is NOT a chassis and NOT a standalone switch.

It is an Ethernet line card/module that must be installed in a compatible Cisco Nexus 9500 modular chassis. A complete operational system also requires the appropriate chassis, supervisor/control components, fabric modules, power supplies, fan modules, NX-OS software, and other required components according to the intended configuration.

Cisco documentation lists the N9K-X9788TC-FX among the line cards supported by Nexus 9500 fabric modules

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