Cisco C9300X-NM-4C | Catalyst 9300X 4-Port 100G/40G Module, QSFP+/QSFP28

Q: Which Catalyst 9300X switches are compatible with the C9300X-NM-4C module?
A: The C9300X-NM-4C is compatible only with the C9300X-48HX, C9300X-48TX, and C9300X-24Y switch models. It is not supported on standard Catalyst 9300 or 9300L models.

Q: Can I mix 40G and 100G speeds on the same module?
A: Yes, each of the four QSFP+/QSFP28 ports supports dual-rate operation, allowing you to independently configure ports for either 40GbE or 100GbE based on your transceiver and network requirements.

Q: Is the C9300X-NM-4C hot-swappable?
A: Yes, the module is hot-swappable and can be installed or replaced without powering down the switch, ensuring minimal disruption to network operations.

Q: What types of optics and cables are supported?
A: The module supports a wide range of QSFP+ and QSFP28 transceivers including 40GBASE-SR4, 40GBASE-LR4, 100GBASE-SR4, as well as Direct Attach Copper (DAC) and Active Optical Cables (AOC) for flexible deployment options.

Q: What are the typical use cases for this module?
A: The C9300X-NM-4C is ideal for high-speed uplink connectivity in campus aggregation layers, data center interconnects, WAN aggregation, backbone connections between switches, and high-bandwidth server connectivity.