Expand your Catalyst 9300 with eight 10 Gbps SFP+ ports — the Cisco C9300-NM-8X= delivers high-speed uplinks and flexible optics support, making it easy to scale performance and bandwidth as your network grows
Model Type: Optional Network Module (Expansion Module)
Compatible With: Cisco Catalyst 9300 Series Switches
Overview
The Cisco C9300-NM-8X= is a high-performance network expansion module designed to add eight 10 Gigabit Ethernet SFP+ ports to Cisco Catalyst 9300 Series switches. It’s an ideal way to increase uplink bandwidth or connect to high-speed aggregation, servers, or backbone links without replacing the entire switch chassis.
According to Cisco’s hardware documentation, the C9300-NM-8X module fits into the uplink slot of Catalyst 9300 switches and supports a mix of 1 G and 10 G SFP/SFP+ transceivers for flexible deployment.
Key Features
• 8 × 10 Gbps SFP+ Ports — Provides eight high-speed 10 G optics ports capable of supporting 10GBASE-SR/LR and other SFP+ transceivers for fiber or DAC connectivity.
• 1 G/10 G Auto-Negotiation — Each port can operate at 1 Gbps or 10 Gbps depending on the installed transceiver, offering flexibility for mixed environments.
• Hot-Swappable Module — Fits into the Catalyst 9300 uplink slot and can be installed or removed without powering down the switch.
• Catalyst 9300 Compatibility — Designed specifically for the Cisco Catalyst 9300 Series switches, expanding uplink capacity and performance.
• Flexible Deployment Uses — Ideal for high-bandwidth uplinks to aggregation/core layers, direct server connections, or campus backbone links.
• Broad Transceiver Support — Works with a wide range of Cisco SFP+ optics, including multimode and single-mode options (10GBASE-SR/LR/ER).
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Module Type | Expansion Network Module |
| Ports | 8 × 10 Gbps SFP+ (support 1 G/10 G) |
| Compatible Switches | Cisco Catalyst 9300 Series |
| Hot-Swappable | Yes |
| Supported Transceivers | Cisco 10G SFP+ (e.g., 10GBASE-SR/LR) |
| Layer Support | Layer 2/Layer 3 via switch OS (Catalyst IOS XE) |
| Forwarding | Dependent on switch platform performance |
Typical Use Cases
• High-Speed Uplink Expansion — Add 10 Gbps uplinks to a Catalyst 9300 Series switch for backbone, core, or data center connectivity.
• Server Connectivity — Directly connect 10 G servers or storage arrays without separate aggregation switches.
• Campus Network Scaling — Provide high-bandwidth paths between distributed access switches and core/distribution layers.
• Flexible Optical Deployment — Use different optics types to suit multimode or single-mode fiber infrastructures.
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