C9300-NM-2Q - Cisco 9300 2x 40GE Network Module

Cisco C9300-NM-2Q — Catalyst 9300 2×40GbE Network Module

What it is

C9300-NM-2Q is an expansion network module for Cisco Catalyst 9300 Series switches.
It adds two 40 Gigabit Ethernet (40GbE) QSFP+ uplink ports to a compatible 9300 chassis, enabling higher-speed aggregation and backbone connectivity from the access layer.

Why buyers pick C9300-NM-2Q (plain English)

40GbE uplinks for high-bandwidth needs
Two 40GbE ports provide substantial uplink capacity — perfect for modern campus and data center edge designs.

Modular flexibility
Installs easily in the Catalyst 9300 network module slot, letting you expand uplink capacity without replacing the entire switch.

Catalyst IOS-XE integration
Managed through the same Cisco IOS-XE interface as the core switch, with consistent feature support and visibility.

Right-sized for aggregation
Adds high-speed uplinks while keeping access ports and everyday switching separate.

Optimizes network performance
Ideal for deployments with heavy east-west traffic or demanding server uplinks.

60-second spec box (C9300-NM-2Q)

Module type
Network module for Catalyst 9300

Uplink ports
2 × 40GbE (QSFP+)

Speed support
40GbE

Connector type
QSFP+ cages

Form factor
Catalyst 9300 network module

Managed by
Cisco IOS-XE

Use case
High-bandwidth uplinks, aggregation, core connectivity.

Where it fits (and when to choose something else)

Perfect for:

• Catalyst 9300 access switches needing 40GbE uplinks

• Campus distribution and aggregation

• Server farm or data center edge connectivity

• Environments with heavy bandwidth demands

Choose something else if:

• You need 10/25Gb uplinks → 9300-NM-4X or multigig modules

• You need 100Gb speeds → 9300 higher-speed modules (if supported)

• You want fixed uplinks → switches with built-in high-speed ports

TL;DR

C9300-NM-2Q is Cisco’s Catalyst 9300 network module with two 40GbE QSFP+ uplinks:
a high-speed uplink expansion card for aggregation and backbone connectivity in enterprise access deployments.