C9400-SSD-240GB – 240GB M2 SATA SSD – Catalyst 9400

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C9400-SSD-240GB Description

The C9400-SSD-240GB is a Cisco Catalyst 9400 Series 240GB M2 SATA SSD for supervisor local storage in a Catalyst 9400 modular switch. It is a 22x88mm M2 SATA card that plugs into the supervisor M2 connector, formats as EXT4 by default with EXT2 and EXT3 also supported, and mounts as disk0:. It adds storage only, with no Ethernet ports, PoE capacity or switching bandwidth.

Quick Specs

Parameter

Specification

Product ID

C9400-SSD-240GB

Product type

M2 SATA SSD module

Cisco ordering description

Cisco Catalyst 9400 Series 240GB M2 SATA memory (Supervisor)

SSD storage

240GB

Storage interface

M2 SATA

Card size

22x88mm M2 SATA flash card

Supervisor placement

Cisco Catalyst 9400 Series Supervisor M2 connector

Minimum software release

Cisco IOS XE Everest 16.6.1

Default file system format

EXT4

Supported file systems

EXT2, EXT3, and EXT4

Mounted file system

disk0:

Supported file operations

Read, write, delete, format, and copy file operations

Application Scenarios

Application Hosting On The Supervisor

A campus core running containerized monitoring or analytics applications on its Catalyst 9400 supervisor keeps the application images and data on the 240GB card mounted as disk0:.

Packet Capture And Log Storage

Network engineers troubleshooting a Catalyst 9400 chassis can write packet captures and logs to disk0: and copy them to bootflash:, USB or other IOS XE file systems for analysis.

Product Comparison

Parameter

C9400-SSD-240GB

C9400-SSD-480GB

C9400-SSD-960GB

Description

Cisco Catalyst 9400 Series 240GB M2 SATA memory (Supervisor)

Cisco Catalyst 9400 Series 480GB M2 SATA memory (Supervisor)

Cisco Catalyst 9400 Series 960GB M2 SATA memory (Supervisor)

SSD capacity

240 GB

480 GB

960 GB

Storage interface

M2 SATA

M2 SATA

M2 SATA

Card size

22x88mm

22x88mm

22x88mm

Supervisor placement

Supervisor M2 connector

Supervisor M2 connector

Supervisor M2 connector

Default file system

EXT4

EXT4

EXT4

C9400-SSD-240GB is the smallest of the three Catalyst 9400 supervisor M2 SATA modules and differs from C9400-SSD-480GB and C9400-SSD-960GB only in capacity: the comparison table shows the same M2 SATA interface, 22x88mm card size, EXT4 default file system and disk0: mount on all three. When 240GB of local supervisor storage is too small for container-based application hosting, C9400-SSD-480GB doubles it. C9400-SSD-960GB is the largest step, matching the 960 GB SSD capacity that Cisco lists for every Catalyst 9400 supervisor. None of the three changes switching ports, PoE or chassis slots.

Ordering Checklist

  • Supervisor hosts: Install the module in a Catalyst 9400 supervisor C9400-SUP-1, C9400-SUP-1XL, C9400-SUP-1XL-Y, C9400X-SUP-2 or C9400X-SUP-2XL in a C9404R, C9407R or C9410R chassis. It is supervisor storage, not a line card, chassis or power option.

Specifications

Parameter Specification Parameter Specification
Product ID C9400-SSD-240GB Product type M2 SATA SSD module
Cisco ordering description Cisco Catalyst 9400 Series 240GB M2 SATA memory (Supervisor) SSD storage 240GB
Storage interface M2 SATA Card size 22x88mm M2 SATA flash card
Supervisor placement Cisco Catalyst 9400 Series Supervisor M2 connector Minimum software release Cisco IOS XE Everest 16.6.1
Default file system format EXT4 Supported file systems EXT2, EXT3, and EXT4
Mounted file system disk0: Supported file operations Read, write, delete, format, and copy file operations
Storage group 240GB, 480GB, and 960GB Catalyst 9400 M2 SATA options

Quality Certifications

Customer Reviews

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    Jeffrey Allen
    Posted on 18/04/2026
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    5.0

    Genuine equipment. Seals intact. Exactly what we expected.

    Martha Davis
    Posted on 12/04/2026
    Verified Buyer
    5.0

    Our operations team reported no incidents since deployment. Best compliment possible.

    Mei Powell
    Posted on 26/02/2026
    Verified Buyer
    4.0

    Our purchasing department has Layer23 saved as a quick reorder vendor.

Questions & Answers

  • Which Catalyst 9400 supervisors accept C9400-SSD-240GB?

    C9400-SSD-240GB plugs into the M2 connector of C9400-SUP-1, C9400-SUP-1XL, C9400-SUP-1XL-Y, C9400X-SUP-2 or C9400X-SUP-2XL. The supervisor sits in a C9404R, C9407R or C9410R chassis. The module is supervisor storage, not a line card, chassis or power option.
  • What is the minimum Cisco IOS XE release for C9400-SSD-240GB?

    C9400-SSD-240GB requires Cisco IOS XE Everest 16.6.1 or later. Run that release or a later one on the host supervisor before the M2 SATA card is fitted, and the card then mounts as disk0:.
  • How much onboard flash does a Catalyst 9400 supervisor have beside C9400-SSD-240GB?

    The Catalyst 9400 supervisor datasheet lists 10 GB of flash and 16 GB of DRAM on the supervisor. C9400-SSD-240GB adds 240GB of separate M2 SATA storage mounted as disk0:. Plan application data and packet captures for the SSD, and keep the onboard flash for the system files.
  • Which minimum Cisco IOS XE release supports C9400-SSD-240GB?

    C9400-SSD-240GB needs Cisco IOS XE Everest 16.6.1 or later. Check the release running on the Catalyst 9400 supervisor before you install the module, and upgrade the supervisor software first if it runs an earlier release. The module is not a line card, so the release requirement applies to the supervisor only.
  • Which file operations does the disk0: volume on C9400-SSD-240GB support?

    The disk0: volume on C9400-SSD-240GB supports read, write, delete, format and copy file operations from IOS XE. The default format is EXT4, and EXT2 and EXT3 are also supported. Use these operations to stage software images or keep diagnostic files on the supervisor.
  • Which supervisors and chassis accept C9400-SSD-240GB?

    C9400-SSD-240GB installs in a Catalyst 9400 supervisor, which can be C9400-SUP-1, C9400-SUP-1XL, C9400-SUP-1XL-Y, C9400X-SUP-2 or C9400X-SUP-2XL. Those supervisors sit in a C9404R, C9407R or C9410R chassis. The module is supervisor storage, so it does not go into a line-card slot, and it adds no ports, PoE capacity or switching bandwidth to the chassis.

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DataSheet Downloads

  • C9400-SSD-240GB Datasheet