C9300-NM-2Q – 2x40G QSFP+ Uplinks – Catalyst 9300 Module

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C9300-NM-2Q Description

C9300-NM-2Q is a Cisco Catalyst 9300 Series 2-port 40G QSFP+ network module for adding modular uplink ports to standard Catalyst 9300 switches.

This SKU is chosen when the uplink design needs two 40G QSFP+ module slots instead of the 25G SFP28 profile of C9300-NM-2Y or the 10G SFP+ density of C9300-NM-8X. Cisco also documents 4x10G breakout behavior for C9300-NM-2Q, so the optics and breakout cable plan affects which FortyGigabitEthernet or TenGigabitEthernet interfaces are active.

For order review, confirm the target switch is a C9300 modular-uplink model rather than a C9300X switch, match the QSFP+ or 4x10G breakout media plan, check the transceiver compatibility source, and decide whether the line should use the base PID C9300-NM-2Q or spare PID C9300-NM-2Q=.

Quick Specs

Parameter

Specification

Product ID

C9300-NM-2Q

Product family

Cisco Catalyst 9300 Series

Product type

Field-replaceable uplink network module

Cisco ordering description

Cisco Catalyst 9300 2 x 40GE QSFP+ network module

Module slots

2 x 40 Gigabit Ethernet QSFP+ module slots

Connector class

QSFP+

Supported platform family

Cisco Catalyst 9300 C9300 modular-uplink SKUs

Platform boundary

C9300X switches use C9300X-NM modules instead

Default 40G interfaces

FortyGigabitEthernet1/1/1 and FortyGigabitEthernet1/1/2

Breakout mode

One 40G port can split into four 10G ports with a 4x10G breakout cable

Breakout interface range

TenGigabitEthernet1/1/1 through TenGigabitEthernet1/1/8 with two breakout cables

Introductory release

Cisco IOS XE Everest 16.5.1a

Spare PID

C9300-NM-2Q=

Application Scenarios

Standard Catalyst 9300 40G uplink expansion

Use C9300-NM-2Q when a C9300 modular-uplink access switch needs two 40G QSFP+ uplink slots toward distribution or aggregation equipment.

40G uplinks with 10G breakout planning

Select this module when the same Catalyst 9300 uplink bay may need native 40G QSFP+ links or 4x10G breakout cabling, because Cisco documents both interface modes for C9300-NM-2Q.

BOM correction between C9300 and C9300X modules

Use this SKU only for standard C9300 switch SKUs. Catalyst 9300X deployments should be quoted with C9300X-NM modules, not C9300-NM-2Q.

Product Comparison

Parameter

C9300-NM-2Q

C9300-NM-2Y

C9300-NM-8X

C9300-NM-4G

C9300X-NM-2C

Product family

Catalyst 9300

Catalyst 9300

Catalyst 9300

Catalyst 9300

Catalyst 9300X

Product type

QSFP+ network module

SFP28 network module

SFP+ network module

SFP network module

QSFP-class network module

Port count

2

2

8

4

2

Cisco-listed module slots

Two 40 Gigabit Ethernet QSFP+ module slots

Two 25 Gigabit Ethernet SFP28 module slots

Eight 10 Gigabit Ethernet SFP+ module slots

Four 1 Gigabit Ethernet SFP module slots

Two 40 Gigabit Ethernet or 100 Gigabit Ethernet QSFP+ module slots

Ordering description

Cisco Catalyst 9300 2 x 40GE QSFP+ network module

Catalyst 9300 Series 2x 25G/10G/1G Network Module

Cisco Catalyst 9300 8 x 10GE SFP+ network module

Cisco Catalyst 9300 4 x 1GE SFP network module

Catalyst 9300 2 x 100G/40G dual rate QSFP28 network module

Supported platform boundary

Supported only on C9300 SKUs of Catalyst 9300 Series switches

Supported only on C9300 SKUs of Catalyst 9300 Series switches

Supported only on C9300 SKUs of Catalyst 9300 Series switches

Supported only on C9300 SKUs of Catalyst 9300 Series switches

Supported only on C9300X SKUs of Catalyst 9300 Series switches

Introductory release

Cisco IOS XE Everest 16.5.1a

Cisco IOS XE Fuji 16.8.1a

Cisco IOS XE Everest 16.5.1a

Cisco IOS XE Everest 16.5.1a

Cisco IOS XE Bengaluru 17.5.1

Primary media planning

40G QSFP+ optics or 4x10G breakout cables

25G or lower-rate SFP28-family optics

10G SFP+ optics

1G SFP optics

40G or 100G QSFP-class optics

  • In a C9300-NM-2Q vs C9300-NM-2Y comparison, the table-backed difference is connector and speed class: C9300-NM-2Q is the 2-port 40G QSFP+ option, while C9300-NM-2Y is the 2-port 25G SFP28 option.
  • C9300-NM-2Q vs C9300-NM-8X is a 40G QSFP+ versus 10G SFP+ comparison, with C9300-NM-8X providing eight 10G SFP+ slots instead of two 40G QSFP+ slots.
  • For C9300-NM-2Q vs C9300-NM-4G, the difference is uplink speed and port type: the current SKU is for 40G QSFP+ uplinks and C9300-NM-4G is the 4-port 1G SFP module.
  • C9300-NM-2Q vs C9300X-NM-2C is mainly a platform boundary comparison, and the which model to choose decision starts with the switch family because C9300-NM-2Q belongs to C9300 switch SKUs while C9300X-NM-2C belongs to C9300X switch SKUs.

Selection Guide

1. Choose it for two 40G QSFP+ uplinks

Select C9300-NM-2Q when the Catalyst 9300 bill of materials requires a field-replaceable module with two 40G QSFP+ uplink slots.

2. Use C9300-NM-2Y for SFP28 uplink plans

Choose C9300-NM-2Y instead when the design is based on 25G, 10G, or 1G SFP28-family uplink optics rather than QSFP+ 40G links.

3. Keep C9300X modules separate

Do not substitute C9300X-NM-2C for this order unless the target switch is a Catalyst 9300X SKU and the deployment needs the Cisco-listed 40G or 100G C9300X module family.

4. Confirm breakout and optics before quoting

Verify whether the deployment will use native FortyGigabitEthernet ports or TenGigabitEthernet breakout interfaces, then match QSFP+ optics or 4x10G breakout cables against Cisco transceiver compatibility guidance.

Ordering Checklist

Check Item

What to Confirm

Procurement Risk Controlled

Exact module PID

C9300-NM-2Q on the product line

Prevents substitution with C9300-NM-2Y, C9300-NM-8X, C9300-NM-4G, or a C9300X-NM module

Spare requirement

C9300-NM-2Q for base module or C9300-NM-2Q= for spare ordering

Keeps the quoted PID aligned with Cisco ordering form

Switch platform

Catalyst 9300 C9300 modular-uplink SKU

Avoids using a C9300 network module in a Catalyst 9300X or fixed-uplink C9300L design

Uplink media

QSFP+ 40G optics or Cisco-supported 4x10G breakout cables

Determines whether 40G or 10G breakout interfaces will be used

Interface mode

FortyGigabitEthernet mode or TenGigabitEthernet breakout mode

Prevents cabling plans that do not match the active interface presentation

Transceiver compatibility

Cisco Transceiver Module Group matrix or Cisco device support tables

Keeps the media plan tied to Cisco-supported optics and cables

Specifications

Packaging weight and dimensions included:
Weight 1.27 kg
Dimensions 31 × 15 × 10 cm
Parameter Specification Parameter Specification
Brand Cisco Product ID C9300-NM-2Q
Product family Cisco Catalyst 9300 Series Product type Field-replaceable uplink network module
Cisco ordering description Cisco Catalyst 9300 2 x 40GE QSFP+ network module Spare PID C9300-NM-2Q=
Module slots 2 x 40 Gigabit Ethernet QSFP+ module slots Connector class QSFP+
Supported platform family Cisco Catalyst 9300 C9300 SKUs Unsupported platform boundary C9300X SKUs use C9300X-NM modules
Native 40G interfaces FortyGigabitEthernet1/1/1 and FortyGigabitEthernet1/1/2 Native 10G interface state Displayed but not used when 40G QSFP modules are installed
Breakout cable behavior One 40G port splits into four 10G ports with 4x10G breakout cable Two-cable breakout range TenGigabitEthernet1/1/1 through TenGigabitEthernet1/1/8
Mixed 40G and breakout operation Combination of 40G QSFP modules and 4x10G breakout cables supported Introductory release Cisco IOS XE Everest 16.5.1a
Install state requirement Operate the switch with a network module or blank module installed Default C9300 order module C9300-NM-8X can be changed to another C9300-NM selection

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    40G backbone lit up right after insertion.

Questions & Answers

  • What does C9300-NM-2Q provide?

    C9300-NM-2Q provides 2 40GE QSFP+ module slots for Catalyst 9300 switches that need high-bandwidth uplinks from the access layer.
  • Is C9300-NM-2Q a 100G module?

    C9300-NM-2Q is a 40GE QSFP+ module for C9300 switches, not a 100G module; 100G planning belongs to C9300X-NM-2C.
  • When does C9300-NM-2Q fit 40G uplink designs?

    C9300-NM-2Q fits access closets where two 40GE uplinks simplify aggregation compared with multiple parallel 10G SFP+ links.
  • What cable choices matter for C9300-NM-2Q?

    C9300-NM-2Q planning checks QSFP+ optic or DAC type, 40GE reach, fiber mode, peer-port capability, and whether breakout behavior is part of the design.
  • Can C9300-NM-2Q be used in C9300X switches?

    C9300-NM-2Q belongs to the Catalyst 9300 network-module family; C9300X switches use C9300X network modules with different compatibility rules.
  • How is C9300-NM-2Q different from C9300-NM-2Y?

    C9300-NM-2Q gives 2 40GE QSFP+ ports, while C9300-NM-2Y gives 2 SFP28 ports for 25G, 10G, or 1G links.
  • What deployment risk matters for C9300-NM-2Q?

    C9300-NM-2Q deployments need peer aggregation ports, QSFP+ optics, cable length, interface configuration, and maintenance windows checked before cutover.
  • Does C9300-NM-2Q add PoE or copper access ports?

    C9300-NM-2Q adds high-speed 40GE QSFP+ Ethernet uplinks only; endpoint PoE and copper access remain functions of the base Catalyst 9300 switch.

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  • C9300-NM-2Q Datasheet

  • Cisco Catalyst 9300 Switch Datasheet