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Cisco

Cisco C9300X-NM-4C | 4x 40/100G QSFP+/QSFP28 uplinks, for Catalyst 9300X

SKU:C9300X-NM-4C

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Description

Quad-port 40/100GbE QSFP+/QSFP28 network module expanding Catalyst 9300X uplink capacity to four high-speed ports. Supports QSFP+/QSFP28 optics, DAC/AOC, and per-port breakout for 4x10G or 4x25G, enabling flexible core and fabric connectivity. Hot-swappable design simplifies upgrades and service.

Features

- Adds 4x 40/100G uplinks for maximum uplink density
- Supports flexible QSFP+/QSFP28 optics and copper DAC/AOC
- Per-port breakout for 4x10G or 4x25G migration
- Hot-swappable module minimizes downtime
- Ideal for high-bandwidth campus and data center fabrics

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Can I use mixed optics across the four ports?
A: Yes. Each port operates independently based on the inserted transceiver/cable and configuration.

Q: Does the module support breakout on all ports simultaneously?
A: Yes, subject to platform limits and proper optics/cables.

Q: Is any additional licensing required?
A: No license for the hardware module itself; features depend on the host switch licensing.

Q: Is this module compatible with standard Catalyst 9300 (non‑X)?
A: It is designed for the Catalyst 9300X platform.

Technical Specifications

- Ports: 4x QSFP+/QSFP28
- Speeds: 40GbE or 100GbE per port (optic-dependent)
- Breakout support: Up to 4x10G (from 40G) or 4x25G (from 100G) per port
- Media: QSFP+/QSFP28 transceivers, DAC, and AOC supported
- Compatibility: Catalyst 9300X network module bay
- Operation: Hot-swappable for service-friendly maintenance
- Use case: High-density uplinks for aggregation/core interconnects

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