The C9300-NM-8X network expansion module is an optional modular uplink compatible with Cisco Catalyst 9300 series switches. This plug-in module features eight SFP+ uplinks. It provides a stackable enterprise switching platform. The module supports up to 64,000 routing entries. It has a switching capacity of up to 960Gbps (IPv4) with a throughput of up to 1440Mpps.