C9610-LC-40YL4CD – 40x50G SFP56 Ports – 2xQSFP56 + 2xQSFP-DD – C9610R Line Card

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C9610-LC-40YL4CD Description

C9610-LC-40YL4CD is a native Cisco C9610 line card for C9610R chassis deployments that need SFP56 port density with QSFP uplink options in the same slot.

It is best reviewed as a mixed-speed fiber line card: the SFP56 block covers 50G, 25G, 10G, and documented 1G connections, while the QSFP56 and QSFP-DD ports support higher-speed aggregation paths. Plan it with C9610-SUP-3 or C9610-SUP-3XL and the C9610R slot layout before optics are selected.

For quote approval, confirm the chassis, supervisor pair, line-card slot, SFP56 optics, QSFP56 optics, QSFP-DD optics, and Cisco IOS XE release. Layer23-Switch can help check price, stock, warranty support, shipping timing, and compatibility before the final BOM is released.

Quick Specs

Parameter

Specification

Product ID

C9610-LC-40YL4CD

Product family

Cisco C9610 Series Smart Switches

Product type

Line card

Cisco ordering description

40-port 50G/25G/10G/1G, 2-port 200G/100G/40G, 2-port 400G/200G/100G/40G module

Native chassis

Cisco C9610R

Supervisor compatibility

C9610-SUP-3 and C9610-SUP-3XL

Supported line-card slots

Slots 1, 2, 3, 4, 7, 8, 9, and 10

SFP56 ports

40 ports supporting 50G/25G/10G/1G

QSFP56 ports

2 ports supporting 200G/100G/40G

QSFP-DD ports

2 ports supporting 400G/200G/100G/40G

QSA adapter support

CVR-QSFP-SFP10G supports 10G connectivity on QSFP ports

Bandwidth per slot

6.4 Tbps per slot

Introductory software release

Cisco IOS XE 17.18.1

Transceiver support release

Cisco IOS XE 17.18.2 release notes list 1G and 50G transceiver support for compatible 40YL4CD line cards

AC-input power

466 W

DC-output power requested

420 W

Heat dissipation

1590 BTU/hr

Weight

13.89 lb (6.3 kg)

Application Scenarios

Mixed-speed C9610R distribution ports

Use C9610-LC-40YL4CD when the chassis needs a dense SFP56 block for 50G, 25G, 10G, or validated 1G fiber links without moving to an adapter-based Catalyst 9600 line card.

QSFP uplinks in the same slot

Select this line card when the bill of materials needs SFP56 density and a smaller QSFP uplink block in one C9610R slot, using two QSFP56 ports and two QSFP-DD ports for higher-speed aggregation links.

Native C9610 line-card standardization

Choose this SKU when the project wants native C9610 hardware for new C9610R deployments and wants to avoid the extra adapter decision required by supported Catalyst 9600 Series line cards.

Product Comparison

Parameter

C9610-LC-40YL4CD

C9610-LC-32CD

C9600X-LC-56YL4C

Product family

Cisco C9610 Series Smart Switches

Cisco C9610 Series Smart Switches

Cisco Catalyst 9600 Series Switches

Product type

Line card

Line card

Line card

C9610R installation

Native C9610 line card

Native C9610 line card

Requires C9610-LC-ADPT adapter

SFP56 ports

40 x 50G/25G/10G/1G

0

56 x 50G/25G/10G/1G

QSFP56 ports

2 x 200G/100G/40G

0

0

QSFP28 ports

0

30 x 100G/40G

4 x 100G/40G

QSFP-DD ports

2 x 400G/200G/100G/40G

2 x 400G/100G/40G

0

QSA adapter support

CVR-QSFP-SFP10G supports 10G on QSFP ports

CVR-QSFP-SFP10G supports 10G/1G depending on supervisor

Not supported

Supervisor compatibility

C9610-SUP-3 and C9610-SUP-3XL

C9610-SUP-3 and C9610-SUP-3XL

C9610-SUP-3 and C9610-SUP-3XL with adapter

Supported C9610R slots

1, 2, 3, 4, 7, 8, 9, and 10

1, 2, 3, 4, 7, 8, 9, and 10

1, 2, 3, 4, 7, 8, 9, and 10 with adapter

Bandwidth per slot

6.4 Tbps per slot

6.4 Tbps per slot

6.4 Tbps per slot

Introductory software release

Cisco IOS XE 17.18.1

Cisco IOS XE 17.18.1

Cisco IOS XE 17.18.1

AC-input power

466 W

495 W

495 W

DC-output power requested

420 W

450 W

450 W

Heat dissipation

1590 BTU/hr

1689 BTU/hr

1689 BTU/hr

Weight

13.89 lb (6.3 kg)

13.45 lb (6.1 kg)

9.14 lb (4.15 kg)

  • C9610-LC-40YL4CD is the native C9610 option for SFP56-heavy C9610R designs that still need QSFP56 and QSFP-DD uplink capacity in the same slot.
  • C9610-LC-32CD is a better comparison when the project is centered on 100G/40G QSFP28 density and 400G QSFP-DD uplinks rather than 50G or 25G SFP56 density.
  • C9600X-LC-56YL4C increases SFP56 port count and uses QSFP28 uplinks, but C9610R installation requires the C9610-LC-ADPT adapter and separate adapter planning.
  • For price and stock checks, treat optics, supervisor modules, software release, adapter use, support coverage, and global shipping as separate quote approval items.

Selection Guide

1. Choose it for SFP56-heavy C9610R builds

Select C9610-LC-40YL4CD when the C9610R design needs a native line card with forty SFP56 ports for mixed 50G, 25G, 10G, or validated 1G fiber connectivity.

2. Move to 32CD for QSFP-heavy designs

Choose C9610-LC-32CD instead when most links are 100G or 40G QSFP28 and the project needs the largest native QSFP port block rather than SFP56 density.

3. Separate native and adapter-based options

When comparing C9610-LC-40YL4CD with C9600X-LC-56YL4C or C9600-LC-40YL4CD, confirm whether the order should use native C9610 hardware or a Catalyst 9600 line card through C9610-LC-ADPT.

4. Validate optics and software before purchase

Confirm Cisco-supported SFP56, QSFP56, and QSFP-DD transceivers, the Cisco IOS XE release, and the supervisor module type before approving the final bill of materials.

Ordering Checklist

Check Item

What to Confirm

Why It Matters

Exact SKU

Confirm C9610-LC-40YL4CD

Separates the native C9610 40YL4CD line card from Catalyst 9600 adapter-based options

Chassis

Confirm Cisco C9610R

This line card is documented as a native option for the C9610R modular chassis

Supervisor Module

Confirm C9610-SUP-3 or C9610-SUP-3XL

Cisco lists both supervisor modules as compatible with this line card

Slot Plan

Confirm slots 1, 2, 3, 4, 7, 8, 9, or 10

The line card must be installed in supported C9610R line-card slots

Software Release

Confirm Cisco IOS XE 17.18.1 or later hardware support context

Cisco release notes list 17.18.1 as the introductory hardware release

1G or 50G Optics

Confirm Cisco IOS XE 17.18.2 or later when the design depends on 1G or 50G transceiver support

Cisco 17.18.2 release notes call out 1G and 50G transceiver support for compatible 40YL4CD line cards

SFP56 Media

Confirm 50G, 25G, 10G, or validated 1G SFP56 optics

The main port block is built around SFP56 connections

QSFP Media

Confirm QSFP56, QSFP-DD, and any QSA adapter requirements

Higher-speed uplinks and adapter use affect the optical bill of materials

Purchase Details

Confirm price, stock status, warranty support, and destination shipping

Layer23-Switch can align the commercial quote with the technical configuration

Specifications

Parameter Specification Parameter Specification
Brand Cisco Product ID C9610-LC-40YL4CD
Product family Cisco C9610 Series Smart Switches Product type Line card
Cisco ordering description 40-port 50G/25G/10G/1G, 2-port 200G/100G/40G, 2-port 400G/200G/100G/40G module Native chassis Cisco C9610R
Supervisor compatibility C9610-SUP-3 and C9610-SUP-3XL Supported line-card slots Slots 1, 2, 3, 4, 7, 8, 9, and 10
SFP56 ports 40 ports supporting 50G/25G/10G/1G QSFP56 ports 2 ports supporting 200G/100G/40G
QSFP-DD ports 2 ports supporting 400G/200G/100G/40G QSA adapter support CVR-QSFP-SFP10G supports 10G connectivity on QSFP ports
Bandwidth per slot 6.4 Tbps per slot Introductory software release Cisco IOS XE 17.18.1
Transceiver support release Cisco IOS XE 17.18.2 release notes list 1G and 50G transceiver support for compatible 40YL4CD line cards Optics requirement Cisco-supported pluggable optics required for fiber-optic line-card operation
AC-input power 466 W DC-output power requested 420 W
Current at 90V 5.2 A Current at 120V 3.9 A
Current at 180V 2.6 A Current at 240V 1.95 A
Heat dissipation 1590 BTU/hr Weight 13.89 lb (6.3 kg)

Get More Information

Need pricing, stock, or shipping details for the C9610-LC-40YL4CD ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email sales@layer23-switch.com for a fast quotation.

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