The C9300-NM-2Y= is a Cisco Catalyst 9300 Series Network Module. Specifically, it provides two ports of 25 Gigabit Ethernet SFP28 connectivity. This module is designed to expand the uplink capabilities of Cisco Catalyst 9300 Series switches. The “= ” at the end of the model number signifies a spare, or non-configured part. It allows for high-bandwidth connections to other network devices or core infrastructure.
