The NETGEAR 10GBASE-T RJ45 Module (AX745) for M5300 series Managed Switches provides 1-port 10 Gigabit Copper (RJ45 - 10GBase-T) for uplink or stacking. It supports 100Mbps, 1000Mbps speeds and 10GbE speed up to 328ft with Cat6A connections (up to 98ft with legacy Cat6).