C9400-LC-24XS – 24 Ports 10G SFP+ – Catalyst 9400 line card

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List Price: $15520 $3909.64
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Weight 18.45 kg
Dimensions 62 × 62 × 24 cm

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C9400-LC-24XS Description

C9400-LC-24XS, also known as Cisco Catalyst 9400 24-Port 10G SFP+ line card, enables high-performance, high-density 10 Gigabit and Gigabit fiber connectivity for the Catalyst 9400 modular switches. This card features 24 SFP+ ports, each supporting both 10G SFP+ and 1G SFP transceivers for maximum deployment flexibility. The SFP+ module delivers up to 480Gbps of line-rate bandwidth per slot (with SUP-2XL), making it ideal for enterprise backbone, aggregation, and high-speed campus deployments. The card supports jumbo frames, MACsec-256 encryption, hot-swappable installation, and seamless compatibility with all major Catalyst 9400 supervisor engines. This 24-port 10G/1G fiber line card is the perfect solution for organizations seeking scalable, secure, and future-ready network expansion.

Product Performance

Ethernet Ports
Maximum Bandwidth
Max rated power

Quick Specs

Parameter

Specification

Port Quantity

24 SFP+/SFP ports (10Gbps or 1Gbps each)

Port Type

SFP+ (10G) / SFP (1G) fiber, interchangeable

Line-rate Capacity

Up to 480 Gbps per slot (SUP-2XL)

Supervisor Support

All SUPs, optimal with SUP-2XL/SUP-2

Jumbo Frame Support

Up to 9216 bytes

MACsec

IEEE 802.1AE (MACsec-256) hardware support

Min. Software

IOS XE 16.6.2 or later

Max Power Usage

200W

Key Features

24x Dual-Speed Fiber Ports

Supports up to 24 SFP+ slots for 10G or 1G fiber connections, offering flexibility for new and existing network infrastructures.

High Line-Rate Bandwidth

Delivers up to 480Gbps per slot (SUP-2XL), ensuring wire-speed, non-blocking performance for backbone and aggregation layers.

Broad Supervisor Compatibility

Operates seamlessly with all major Catalyst 9400 supervisor engines, supporting flexible upgrades and migrations.

MACsec-256 Hardware Security

Built-in IEEE 802.1AE MACsec-256 encryption secures all fiber links at wire-speed, ideal for sensitive data environments.

Jumbo Frame Support

Enables jumbo frames up to 9216 bytes for efficient large-data and storage traffic.

Hot-Swappable & Easy Maintenance

Allows tool-less installation/removal in any Catalyst 9400 chassis slot, ensuring minimal downtime and easy service.

Front View

C9400-LC-24XS

1

STATUS LED

5

Ejector levers

2

LOCATE (blue beacon) LED

6

PORT LINK LED

3

Model or product number

7

Line card Radio Frequency Identifier (RFID)

4

Captive installation screws

Slot Bandwidth by SUP & Chassis

Supervisor Engine

Chassis

Per-Slot Bandwidth

Oversubscription

C9400X-SUP-2XL

C9404R

480 Gbps

1:1

C9407R

480 Gbps

1:1

C9410R

480 Gbps

1:1

C9400X-SUP-2

C9404R

240 Gbps

1:1

C9407R

240 Gbps

1:1

C9410R

240 Gbps

1:1

Product Comparison

Parameter

C9400-LC-24XS

C9400-LC-12QC

C9400-LC-24S

Ports

24 × 10G SFP+

12 × 40G QSFP+ (breakout)

24 × 1G SFP

Breakout Support

No

Yes (4×10G per QSFP+)

No

MACsec Support

Yes (256-bit)

Yes (256-bit)

Yes (256-bit)

Supervisor Support

SUP-2, SUP-2XL only

SUP-1XL, SUP-2, SUP-2XL

SUP-1XL, SUP-2, SUP-2XL

Slot Bandwidth

Up to 480 Gbps

Up to 480 Gbps

Up to 480 Gbps

PoE Support

No

No

No

MTBF

456,110 hours

418,200 hours

448,350 hours

IOS XE Requirement

17.3.1+

16.6.1+

16.6.1+

Line Card Supervisor Module Compatibility Overview

C9400-SUP-1

C9400-SUP-1XL

C9400-SUP-1XL-Y

C9400X-SUP-2

C9400X-SUP-2XL

C9400-LC-12QC

No

No

No

Yes

Yes

C9400-LC-24S

Yes

Yes

Yes

Yes

Yes

C9400-LC-24XS

Yes

Yes

Yes

Yes

Yes

C9400-LC-24XY

No

No

No

Yes

Yes

C9400-LC-48H

Yes

Yes

Yes

Yes

Yes

C9400-LC-48HN

Yes

Yes

Yes

Yes

Yes

C9400-LC-48HX

No

No

No

Yes

Yes

C9400-LC-48P

Yes

Yes

Yes

Yes

Yes

C9400-LC-48S

Yes

Yes

Yes

Yes

Yes

C9400-LC-48T

Yes

Yes

Yes

Yes

Yes

C9400-LC-48TX

No

No

No

Yes

Yes

C9400-LC-48U

Yes

Yes

Yes

Yes

Yes

C9400-LC-48UX

Yes

Yes

Yes

Yes

Yes

C9400-LC-48XS

No

No

No

Yes

Yes

Specifications

Parameter Description
Model C9400-LC-24XS
Port Count 24 × SFP+ ports
Port Speed 1G/10G Fiber
PoE Support Not supported
MACsec 256-bit encryption supported
Slot Bandwidth Up to 480 Gbps
Supervisor Compatibility C9400X-SUP-2, SUP-2XL only
Chassis Compatibility C9404R, C9407R, C9410R
IOS XE Requirement 17.3.1 or later
Energy Efficient Ethernet IEEE 802.3az supported
Jumbo Frame Support Up to 9216 bytes
RFID Integrated passive RFID tag
MTBF 456,110 hours

Get More Information

Discover unbeatable prices and fast shipping for the C9400-LC-24XS Access the detailed C9400-LC-24XS 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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    Supply Chain
    Posted on 15/10/2025
    Verified Buyer
    5.0

    Shipping to Germany was no problem. Good service.

    Anna Marie
    Posted on 05/06/2025
    Verified Buyer
    5.0

    Sugar, y’all are fast. It got here quick.

    CTO
    Posted on 20/02/2025
    Verified Buyer
    5.0

    We needed this urgently. Your team expedited the shipping and saved us. Thank you.

    Eden Parker
    Posted on 22/05/2024
    Verified Buyer
    5.0

    Matches the documentation and performed well under stress testing.

    Cody Hill
    Posted on 27/03/2024
    Verified Buyer
    5.0

    Great price for high-density 10G connections. No issues at all.

Questions & Answers

  • What steps should I follow if the 24XS SFP+ ports stay at 1 G?

    Check SFP+ module compatibility, ensure the interface is not set to a forced speed, and verify cabling meets 10G specs.
  • Which small parts come with the 24XS card?

    Accessory kit contains dust covers, mounting screws, and a cable management bracket.
  • How does the 24XS 10 G fiber card differ from the 24S only?

    24XS supports 10G SFP+ modules, while 24S is 1G SFP only.
  • Is there a copper-based 10 G card alternative to 24XS?

    For 10G copper, consider 48UX or 48TX cards, which support multigig copper ports.
  • What distribution-switch scenarios call for the 24XS?

    Common in distribution layers or smaller data centers requiring dense 10G fiber uplinks.
  • Which LEDs show signal loss on the 24XS ports?

    Amber or off port LEDs indicate no signal or fault; green means link is active.
  • How to hot-swap a 24XS without stack interruption?

    With OIR-capable chassis, pull the old card, insert new, and verify status in 'show module'.
  • Which transceivers (SR/LR) are supported on the 24XS?

    Official Cisco SFP+ SR, LR, and ER modules are supported.
  • How do I verify each 24XS port’s duplex and speed?

    Use 'show interface status' or 'show controllers ethernet-controller' CLI.
  • Can I use a 24XS in a Catalyst 9500 modular slot?

    No, only Catalyst 9400 chassis support this line card.
  • Which accessories ship with the 24XS only?

    Dust covers, mounting screws, and cable managers.
  • How do I reset 24XS interface counters?

    'clear counters interface [id]' resets port statistics.
  • What scheduled checks maintain 24XS link integrity?

    Regularly clean fiber connectors, check logs, and test with loopback plugs.
  • Does the 24XS support jumbo frames up to 9 216 bytes?

    Yes, jumbo frame support is configurable in IOS XE.
  • Which CLI commands report 24XS optical power?

    'show interfaces transceiver detail' shows per-port optics data.

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Resources Downloads

  • C9400-LC-24XS Datasheet

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