Cisco Catalyst 9300 8x10GE Network Module SpareCisco Catalyst 9300 8x10GE Network Module Spare (C9300 NM 8X=) Local Warranty Cisco Catalyst 9300 Network Module Expand Your Uplink Capabilities The Cisco Catalyst 9300 8x10GE Network Module (C9300 NM 8X=) is a high performance uplink expansion module designed to increase the network capacity of Cisco Catalyst 9300 Series switches. This module provides 8 x 10 Gigabit Ethernet (10GE) ports, allowing for fast, flexible, and high bandwidth uplink