The NETGEAR APM414C-10000S is a high‑performance expansion module designed for Netgear M4300 series modular managed switches, adding four 10GBASE‑T RJ45 copper Ethernet ports to your network infrastructure. This port card delivers multi‑gigabit connectivity over standard Cat5e/Cat6/Cat6a cabling, supporting flexible speeds up to 10 Gbps for demanding data center, enterprise, or backbone applications.